Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e011c99c92e8331…

MALICIOUS

PDF

13.2 KB Created: 2019-05-07 04:03:06 +01:00 Authoring application: mPDF 5.7
MD5: ee982062d4a7167b35cf5a18b3f06ae0 SHA-1: f4fabf7486525967cb9c9cb01af75dafb6f486d4 SHA-256: 7e011c99c92e8331548f0f0acb9d3edafc22ba37d8187ef1310977c76b87cabf
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a mass external link farm with 20 URLs, suggesting a phishing or content-luring campaign. The ML classifier also flagged this PDF as malicious. The embedded URLs likely lead to further malicious content or malware downloads, aligning with a spearphishing attachment tactic.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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://muicuiu.dumb1.com/3a01a05a08a09a03/The-Nullifier-The-Criminals-1-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/4a02a02a08a09a04/Wulfgang-Bad-Oak-Boys-3-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/3a03a08a09a08a04/Karma-Bites-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/8a09a04a01a00a08/Shane-s-Submission-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/3a06a08a00a05a05/The-First-Time-is-the-Sweetest-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/2a06a07a03a02a00/Damaged-Planet-Alpha-6-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/3a03a02a08a02a01/Broken-Planet-Alpha-2-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/1a01a00a05a08a00a09/The-Blizzard-The-Billionaire-s-Bodyguard-2-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/2a09a09a03a05a03/Rock-Star-Baby-Bad-Oak-Boys-1-by-Erin-M-Leaf.pdf
    • http://muicuiu.dumb1.com/4a07a03a05a09a03/Criminals-by-Margot-Livesey.pdf
    • http://muicuiu.dumb1.com/1a01a01a08a04a01a01/Warlocks-And-Criminals-by-Talitha-Hainds.pdf
    • http://muicuiu.dumb1.com/2a07a06a00a09a04/100-Most-Infamous-Criminals-by-Jo-Durden-Smith.pdf
    • http://muicuiu.dumb1.com/3a05a04a01/Sex-Criminals-Vol-3-Three-the-Hard-Way-by-Matt-Fraction.pdf
    • http://muicuiu.dumb1.com/4a03a05a03a02a06/Untitled-Criminals-of-the-Ocean-3-by-Bella-Jewel.pdf
    • http://muicuiu.dumb1.com/3a01a06a05a05a02/Big-Hard-Sex-Criminals-Volume-1-by-Matt-Fraction.pdf
    • http://muicuiu.dumb1.com/4a03a08a02a00a06/Uncommon-Criminals-Heist-Society-2-by-Ally-Carter.pdf
    • http://muicuiu.dumb1.com/9a06a04a04a04a03/Schmucks-and-Other-White-Collar-Criminals-by-Stephen-Lawson.pdf
    • http://muicuiu.dumb1.com/2a07a09a08a00a02/Crime-and-Criminals-of-Victorian-England-by-Adrian-Gray.pdf
    • http://muicuiu.dumb1.com/3a02a06a06a09a05/Uncommon-Criminals-Heist-Society-2-by-Ally-Carter.pdf
    • http://muicuiu.dumb1.com/2a02a02a06a06a08/A-Dangerous-Path-Warriors-Series-5-by-Erin-Hunter-by-Erin-Hunter.pdf

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