diff --git a/objects/blog/definition.json b/objects/blog/definition.json
new file mode 100644
index 0000000..474274b
--- /dev/null
+++ b/objects/blog/definition.json
@@ -0,0 +1,91 @@
+{
+  "requiredOneOf": [
+    "post"
+  ],
+  "attributes": {
+    "post": {
+      "description": "Raw post.",
+      "ui-priority": 1,
+      "misp-attribute": "text"
+    },
+    "url": {
+      "description": "Original URL location of the blog post (potentially malicious).",
+      "ui-priority": 1,
+      "misp-attribute": "url"
+    },
+    "link": {
+      "description": "Original link into the blog post (Supposed harmless).",
+      "ui-priority": 1,
+      "misp-attribute": "link"
+    },
+    "type": {
+      "description": "Type of blog post.",
+      "ui-priority": 1,
+      "misp-attribute": "text",
+      "disable_correlation": true,
+      "sane_default": [
+        "Medium",
+        "WordPress",
+        "Blogger",
+        "Tumbler",
+        "LiveJournal",
+        "Forum",
+        "Other"
+      ]
+    },
+    "username": {
+      "description": "Username who posted the blog post.",
+      "ui-priority": 0,
+      "misp-attribute": "text"
+    },
+    "verified-username": {
+      "description": "Is the username account verified by the operator of the blog platform.",
+      "ui-priority": 0,
+      "misp-attribute": "text",
+      "disable_correlation": true,
+      "values_list": [
+        "Verified",
+        "Unverified",
+        "Unknown"
+      ]
+    },
+    "creation-date": {
+      "description": "Initial creation of the blog post.",
+      "ui-priority": 0,
+      "misp-attribute": "datetime"
+    },
+    "modification-date": {
+      "description": "Last update of the blog post.",
+      "ui-priority": 0,
+      "misp-attribute": "datetime"
+    },
+    "embedded-link": {
+      "description": "Site linked by the blog post.",
+      "ui-priority": 0,
+      "misp-attribute": "url",
+      "multiple": true
+    },
+    "embedded-safe-link": {
+      "description": "Safe site linked by the blog post.",
+      "ui-priority": 0,
+      "misp-attribute": "link",
+      "multiple": true
+    },
+    "removal-date": {
+      "description": "When the blog post was removed.",
+      "ui-priority": 0,
+      "misp-attribute": "datetime"
+    },
+    "username-quoted": {
+      "description": "Username who are quoted into the blog post.",
+      "ui-priority": 0,
+      "multiple": true,
+      "misp-attribute": "text"
+    }
+  },
+  "version": 11,
+  "description": "Blog post like Medium or WordPress.",
+  "meta-category": "misc",
+  "uuid": "1f165fc0-b158-498f-8bc8-6dc3d2822bb1",
+  "name": "blog"
+}
diff --git a/objects/forged-document/definition.json b/objects/forged-document/definition.json
new file mode 100644
index 0000000..5ed512e
--- /dev/null
+++ b/objects/forged-document/definition.json
@@ -0,0 +1,100 @@
+{
+  "requiredOneOf": [
+    "document-name",
+    "attachment",
+    "document-text"
+  ],
+  "attributes": {
+    "purpose-of-document": {
+      "description": "What the document is used for.",
+      "ui-priority": 1,
+      "misp-attribute": "text",
+      "disable_correlation": true,
+      "multiple": true,
+      "sane_default": [
+        "Identification",
+        "Travel",
+        "Health",
+        "Legal",
+        "Financial",
+        "Government",
+        "Military",
+        "Media",
+        "Communication",
+        "Other"
+      ]
+    },
+    "document-type": {
+      "description": "The type of document (not the file type).",
+      "ui-priority": 1,
+      "misp-attribute": "text",
+      "disable_correlation": true,
+      "sane_default": [
+        "email",
+        "letterhead",
+        "speech",
+        "literature",
+        "photo",
+        "audio",
+        "invoice",
+        "receipt",
+        "other"
+      ]
+    },
+    "attachment": {
+      "description": "The forged document file.",
+      "ui-priority": 1,
+      "misp-attribute": "attachment"
+    },
+    "document-name": {
+      "misp-attribute": "text",
+      "ui-priority": 0,
+      "description": "Title of the document."
+    },
+    "document-text": {
+      "description": "Raw text of document",
+      "ui-priority": 1,
+      "misp-attribute": "text"
+    },
+    "url": {
+      "description": "Original URL location of the document (potentially malicious)",
+      "ui-priority": 1,
+      "misp-attribute": "url"
+    },
+    "link": {
+      "description": "Original link into the document (Supposed harmless)",
+      "ui-priority": 1,
+      "misp-attribute": "link"
+    },
+    "objective": {
+      "description": "Objective of the forged document.",
+      "ui-priority": 1,
+      "misp-attribute": "text",
+      "disable_correlation": true,
+      "multiple": true,
+      "sane_default": [
+        "Disinformation",
+        "Advertising",
+        "Parody",
+        "Other"
+      ]
+    },
+    "last-seen": {
+      "description": "When the document has been accessible or seen for the last time.",
+      "disable_correlation": true,
+      "ui-priority": 0,
+      "misp-attribute": "datetime"
+    },
+    "first-seen": {
+      "description": "When the document has been accessible or seen for the first time.",
+      "disable_correlation": true,
+      "ui-priority": 0,
+      "misp-attribute": "datetime"
+    }
+  },
+  "version": 5,
+  "description": "Object describing a forged document.",
+  "meta-category": "file",
+  "uuid": "7e927620-b97c-4b00-98c0-8c0184d83d21",
+  "name": "forged-document"
+}
diff --git a/objects/leaked-document/definition.json b/objects/leaked-document/definition.json
new file mode 100644
index 0000000..ad6f178
--- /dev/null
+++ b/objects/leaked-document/definition.json
@@ -0,0 +1,106 @@
+{
+  "requiredOneOf": [
+    "document-name",
+    "attachment",
+    "document-text"
+  ],
+  "attributes": {
+    "origin": {
+      "description": "Original source of leaked document.",
+      "ui-priority": 1,
+      "misp-attribute": "text"
+    },
+    "purpose-of-document": {
+      "description": "What the document is used for.",
+      "ui-priority": 1,
+      "misp-attribute": "text",
+      "disable_correlation": true,
+      "multiple": true,
+      "sane_default": [
+        "Identification",
+        "Travel",
+        "Health",
+        "Legal",
+        "Financial",
+        "Government",
+        "Military",
+        "Media",
+        "Communication",
+        "Other"
+      ]
+    },
+    "document-type": {
+      "description": "The type of document (not the file type).",
+      "ui-priority": 1,
+      "misp-attribute": "text",
+      "disable_correlation": true,
+      "sane_default": [
+        "email",
+        "letterhead",
+        "speech",
+        "literature",
+        "photo",
+        "audio",
+        "invoice",
+        "receipt",
+        "other"
+      ]
+    },
+      "attachment": {
+      "description": "The leaked document file.",
+      "ui-priority": 1,
+      "misp-attribute": "attachment"
+    },
+    "document-name": {
+      "misp-attribute": "text",
+      "ui-priority": 0,
+      "description": "Title of the document."
+    },
+    "document-text": {
+      "description": "Raw text of document",
+      "ui-priority": 1,
+      "misp-attribute": "text"
+    },
+    "url": {
+      "description": "Original URL location of the document (potentially malicious)",
+      "ui-priority": 1,
+      "misp-attribute": "url"
+    },
+    "link": {
+      "description": "Original link into the document (Supposed harmless)",
+      "ui-priority": 1,
+      "misp-attribute": "link"
+    },
+    "objective": {
+      "description": "Reason for leaking the document.",
+      "ui-priority": 1,
+      "misp-attribute": "text",
+      "disable_correlation": true,
+      "multiple": true,
+      "sane_default": [
+        "Disinformation",
+        "Influence",
+        "Whistleblowing",
+        "Extortion",
+        "Other"
+      ]
+    },
+    "last-seen": {
+      "description": "When the document has been accessible or seen for the last time.",
+      "disable_correlation": true,
+      "ui-priority": 0,
+      "misp-attribute": "datetime"
+    },
+    "first-seen": {
+      "description": "When the document has been accessible or seen for the first time.",
+      "disable_correlation": true,
+      "ui-priority": 0,
+      "misp-attribute": "datetime"
+    }
+  },
+  "version": 5,
+  "description": "Object describing a leaked document.",
+  "meta-category": "file",
+  "uuid": "ea145ecd-b3c2-4f57-ac11-c16e883c4247",
+  "name": "leaked-document"
+}
diff --git a/objects/meme-image/definition.json b/objects/meme-image/definition.json
new file mode 100644
index 0000000..122c7c8
--- /dev/null
+++ b/objects/meme-image/definition.json
@@ -0,0 +1,100 @@
+{
+  "requiredOneOf": [
+    "attachment",
+    "document-text"
+  ],
+  "attributes": {
+    "username": {
+      "description": "Username who posted the meme.",
+      "ui-priority": 0,
+      "misp-attribute": "text"
+    },
+    "5Ds-of-propaganda": {
+      "description": "5 D's of propaganda are tactics of rebuttal used to defend against criticism and adversarial narratives.",
+      "ui-priority": 1,
+      "misp-attribute": "text",
+      "disable_correlation": true,
+      "multiple": true,
+      "values_list": [
+        "dismiss",
+        "distort",
+        "distract",
+        "dismay",
+        "divide"
+      ]
+    },
+    "attachment": {
+      "description": "The image file.",
+      "ui-priority": 1,
+      "misp-attribute": "attachment"
+    },
+    "document-text": {
+      "description": "Raw text of meme",
+      "ui-priority": 1,
+      "misp-attribute": "text"
+    },
+    "meme-reference": {
+      "description": "A link to know-your-meme or similar reference material.",
+      "ui-priority": 1,
+      "misp-attribute": "link"
+    },
+    "a/b-test": {
+      "description": "A flag to define if this meme is part of an a/b test. If set to true, it is part of an a/b test set.",
+      "disable_correlation": true,
+      "ui-priority": 0,
+      "misp-attribute": "boolean"
+    },
+    "crosspost": {
+      "description": "Safe site where the meme has been posted.",
+      "ui-priority": 0,
+      "misp-attribute": "link",
+      "multiple": true
+    },
+    "crosspost-unsafe": {
+      "description": "Unsafe site where the meme has been posted.",
+      "ui-priority": 0,
+      "misp-attribute": "url",
+      "multiple": true
+    },
+    "url": {
+      "description": "Original URL location of the meme (potentially malicious)",
+      "ui-priority": 1,
+      "misp-attribute": "url"
+    },
+    "link": {
+      "description": "Original link into the meme (Supposed harmless)",
+      "ui-priority": 1,
+      "misp-attribute": "link"
+    },
+    "objective": {
+      "description": "Objective of the meme.",
+      "ui-priority": 1,
+      "misp-attribute": "text",
+      "disable_correlation": true,
+      "multiple": true,
+      "sane_default": [
+        "Disinformation",
+        "Advertising",
+        "Parody",
+        "Other"
+      ]
+    },
+    "last-seen": {
+      "description": "When the meme has been accessible or seen for the last time.",
+      "disable_correlation": true,
+      "ui-priority": 0,
+      "misp-attribute": "datetime"
+    },
+    "first-seen": {
+      "description": "When the meme has been accessible or seen for the first time.",
+      "disable_correlation": true,
+      "ui-priority": 0,
+      "misp-attribute": "datetime"
+    }
+  },
+  "version": 5,
+  "description": "Object describing a meme (image).",
+  "meta-category": "file",
+  "uuid": "7e927620-b97c-4b00-98c0-8c0184d83d21",
+  "name": "forged-document"
+}