Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e510f5ca5416942…

MALICIOUS

PDF

15.1 KB Created: 2019-05-01 17:20:29 +01:00 Authoring application: mPDF 5.7
MD5: 06c7878a3ed502614dacb1a0195aa75d SHA-1: 8f587b080b02da1e12d8eb1241f33a728120c8f9 SHA-256: 0e510f5ca541694259ced5ffc68a2be03a9d8e56c61fbe8901af1687e6f63973
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this document as malicious. While no scripts were explicitly extracted, the presence of numerous external links suggests an attempt to redirect the user to potentially harmful content, possibly involving a JavaScript exploit within the PDF structure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

Heuristics 2

  • Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
    Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL http://loaminoo.linkpc.net/3098090097094098/Brooklyn-Knight-Piers-Knight-1-by-C-J-Henderson.pdf
    • http://loaminoo.linkpc.net/2091098092098096/The-Forever-Knight-The-Bronze-Knight-4-by-John-Marco.pdf
    • http://loaminoo.linkpc.net/2094091097092093/Evie-s-Knight-The-Knight-Series-1-by-Kimberly-Krey.pdf
    • http://loaminoo.linkpc.net/1099099093094099/Being-Sawyer-Knight-Souls-of-the-Knight-1-by-Nicola-Haken.pdf
    • http://loaminoo.linkpc.net/8096091098097/Wicked-Knight-Knight-Brothers-1-by-Tierney-O-39-Malley.pdf
    • http://loaminoo.linkpc.net/7095099092098/Killing-Sam-Knight-The-Knight-Chronicles-2-by-John-Cassian.pdf
    • http://loaminoo.linkpc.net/2099090092093/A-Knight-s-Persuasion-Knight-s-4-by-Catherine-Kean.pdf
    • http://loaminoo.linkpc.net/2095097094091097/Darkest-Knight-City-Knight-5-by-T-A-Webb.pdf
    • http://loaminoo.linkpc.net/1092096092095/A-Knight-to-Remember-Knight-2-by-Christina-Dodd.pdf
    • http://loaminoo.linkpc.net/7093096097097090/A-Knight-s-Reward-Knight-s-2-by-Catherine-Kean.pdf
    • http://loaminoo.linkpc.net/3096093091093096/Knight-s-End-Knight-s-Trilogy-1-by-Jami-Montgomery.pdf
    • http://loaminoo.linkpc.net/7093096097097095/A-Knight-s-Seduction-Knight-s-5-by-Catherine-Kean.pdf
    • http://loaminoo.linkpc.net/1091093099092099/The-Last-Knight-Knight-and-Rogue-1-by-Hilari-Bell.pdf
    • http://loaminoo.linkpc.net/4093094099095096/Once-a-Knight-Knight-1-by-Christina-Dodd.pdf
    • http://loaminoo.linkpc.net/2092099099093096/Her-Rogue-Knight-by-Natasha-Knight.pdf
    • http://loaminoo.linkpc.net/4097097093098099/The-Bathrobe-Knight-Volume-3-The-Bathrobe-Knight-3-by-Charles-Dean.pdf
    • http://loaminoo.linkpc.net/1096099099098096/The-Green-Knight-s-Squire-The-Green-Knight-s-Squire-1-3-Moth-amp-Cobweb-1-3-by-John-C-Wright.pdf
    • http://loaminoo.linkpc.net/2099091094094098/The-Zombie-Knight-Vol-3-The-Zombie-Knight-3-by-George-M-Frost.pdf
    • http://loaminoo.linkpc.net/5093098094096/Vampire-Knight-Vol-2-Vampire-Knight-2-by-Matsuri-Hino.pdf
    • http://loaminoo.linkpc.net/2092091097099090/Vampire-Knight-Vol-14-Vampire-Knight-14-by-Matsuri-Hino.pdf

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