Malicious PDF — malware analysis report

Static analysis result for SHA-256 64f596d534585e6b…

MALICIOUS

PDF

12.7 KB Created: 2019-04-30 06:33:59 +01:00 Authoring application: mPDF 5.7
MD5: eb4f5c66f398f2f53b7850cdecfa6df6 SHA-1: a1e49ebaa9bd8ac8e5c58ee45d6644422677cf75 SHA-256: 64f596d534585e6bcd71cfd4a52df718c14ea71a594aabea542d8caa12e2f721
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs that appear to be part of a link farm, suggesting an attempt to trick users into downloading content. The ML classifier also flagged this PDF as malicious. While the URLs themselves are currently marked as benign, the overall structure and heuristic firings indicate a malicious intent to direct users to external resources.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8780

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/6a07a08a00a06/Hellblazer-Dangerous-Habits-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/9a09a03a00a02a05/Vertigo-Resurrected-Hellblazer-1-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/3a08a00a00a04a08/Hellblazer-Tainted-Love-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/2a07a06a05a00a05/The-Pro-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/3a05a09a06a06a01/Fury-MAX-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/7a02a00a08a08/Crossed-Vol-1-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/2a03a02a09a09a01/The-Punisher-MAX-Born-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/1a04a01a04a09a00/The-Punisher-MAX-Vol-1-In-the-Beginning-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/1a03a08a05a03a03/Preacher-Volume-6-War-in-the-Sun-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/1a05a05a04a09a06/Rover-Red-Charlie-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/1a01a06a00a00a06a07/Thor-MAX-Vikings-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/7a05a05a06a04a07/Preacher-Book-3-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/4a03a02a08a01a08/Enemy-Ace-War-in-Heaven-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/7a05a05a07a03a01/The-Punisher-MAX-Vol-5-The-Slavers-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/7a05a05a06a04a08/Preacher-Book-5-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/4a06a02a07a07a06/Fury-MAX-My-War-Gone-By-Volume-1-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/2a03a01a08a02a01/Chronicles-Of-Wormwood-The-Last-Enemy-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/4a04a04a02a05a01/Adventures-in-the-Rifle-Brigade-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/3a03a07a02a00a05/Adventures-in-the-Rifle-Brigade-by-Garth-Ennis.pdf
    • http://muicuiu.dumb1.com/1a03a08a07a03a08/Preacher-Volume-7-Salvation-by-Garth-Ennis.pdf