Malicious PDF — malware analysis report

Static analysis result for SHA-256 2f764d2a67118ee4…

MALICIOUS

PDF

16.9 KB Created: 2019-04-30 03:34:00 +01:00 Authoring application: mPDF 5.7
MD5: 38f1b34f907f37cc1d6cfe2c423de34b SHA-1: fa1cfcb81bb8daac58e1382246497aa1ed315f5c SHA-256: 2f764d2a67118ee45bbe39ffdac63e6d629d4700a485a778a6b2d629d3e95da4
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a large number of embedded links to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. While the specific content of the document body is heavily obfuscated, the presence of numerous links suggests a malicious intent, possibly for SEO manipulation or to redirect users to malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9787

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://muicuiu.dumb1.com/2a02a09a02a09a04/Liberty-Begins-The-Liberty-Series-1-by-Leigh-James.pdf
    • http://muicuiu.dumb1.com/1a00a03a08a05a08a05/Liberty-s-Torch-The-Great-Adventure-to-Build-the-Statue-of-Liberty-by-Elizabeth-Mitchell.pdf
    • http://muicuiu.dumb1.com/3a08a09a07a03a08/Fight-for-Liberty-Book-Three-in-the-Liberty-Trilogy-by-Theresa-Linden.pdf
    • http://muicuiu.dumb1.com/2a06a07a01a01a00/Liberty-Incorporating-Four-Essays-on-Liberty-by-Isaiah-Berlin.pdf
    • http://muicuiu.dumb1.com/1a00a09a00a03a07a05/Liberty-Frye-and-the-Sails-of-Fate-Liberty-Frye-2-by-J-L-McCreedy.pdf
    • http://muicuiu.dumb1.com/7a09a09a02a07a09/Liberty-Equality-Fraternity-by-James-Fitzjames-Stephen.pdf
    • http://muicuiu.dumb1.com/3a03a08a00a01a06/For-Liberty-and-Glory-Washington-Lafayette-and-Their-Revolutions-by-James-R-Gaines.pdf
    • http://muicuiu.dumb1.com/5a01a03a03a06a03/Liberty-in-Absolutist-Spain-The-Habsburg-Sale-of-Towns-1516-1700-1-108th-Series-1990-by-Helen-Nader.pdf
    • http://muicuiu.dumb1.com/8a03a00a09a03a09/Empire-Of-Liberty-Power-Desire-And-Freedom-Re-Mapping-The-Transnational-A-Dartmouth-Series-In-American-Studies-by-Anthony-Bogues.pdf
    • http://muicuiu.dumb1.com/1a02a06a03a00a07/Liberty-by-B-C-Hollberg.pdf
    • http://muicuiu.dumb1.com/3a05a05a06a06a00/Last-Call-for-Liberty-by-Os-Guinness.pdf
    • http://muicuiu.dumb1.com/1a00a03a08a07a08a05/The-Statue-of-Liberty-by-Hal-Marcovitz.pdf
    • http://muicuiu.dumb1.com/3a07a06a05a05a06/At-Liberty-by-Tennessee-Williams.pdf
    • http://muicuiu.dumb1.com/5a07a06a02a06a00/Liberty-Awash-by-J-W-Bruns.pdf
    • http://muicuiu.dumb1.com/3a06a04a03a01a01/Entwined-by-Liberty-Lace.pdf
    • http://muicuiu.dumb1.com/7a08a00a01a07a03/Leaving-Liberty-by-Virginia-Carmichael.pdf
    • http://muicuiu.dumb1.com/1a01a07a06a08a03a06/Wilkes-and-Liberty-by-George-Rud-.pdf
    • http://muicuiu.dumb1.com/1a00a03a08a05a08a08/What-Is-the-Statue-of-Liberty-by-Joan-Holub.pdf
    • http://muicuiu.dumb1.com/1a02a09a06a01a05/Liberty-Bazaar-by-David-Chadwick.pdf
    • http://muicuiu.dumb1.com/3a09a07a00a03a00/Oppression-and-Liberty-by-Simone-Weil.pdf
    • http://muicuiu.dumb1.com/8a03a00a09a03a09/Empir

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