Malicious PDF — malware analysis report

Static analysis result for SHA-256 efdfea28b30326d9…

MALICIOUS

PDF

15.6 KB Created: 2019-05-02 11:10:13 +01:00 Authoring application: mPDF 5.7
MD5: 9c997069db6b3effcecc0da157e164f5 SHA-1: 844d6c32a7cbbf38d72e79c0eea2e2d16b31e2db SHA-256: efdfea28b30326d9be9e478897e6c7a46b665cace1876297ce154c8092880e8f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external websites, identified as a PDF SEO link farm. While the document body is heavily corrupted, the presence of numerous links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/2a00a00a06a01a02/Can-t-Get-Enough-by-Rosie-Allen.pdf
    • http://muicuiu.dumb1.com/8a04a07a07a09a05/In-the-Kitchen-with-Rosie-Oprah-s-Favorite-Recipes-by-Rosie-Daley.pdf
    • http://muicuiu.dumb1.com/2a09a04a00a07a01/Rosie-s-Gift-Rosie-McGrath-3-by-Ann-Carroll.pdf
    • http://muicuiu.dumb1.com/9a07a02a09a05/Allen-K-s-Inhuman-Magazine-Issue-5-Fall-2011-by-Allen-Koszowski.pdf
    • http://muicuiu.dumb1.com/6a01a00a00a01/Welcome-to-Rosie-Hopkins-Sweet-Shop-of-Dreams-Rosie-Hopkins-Sweet-Shop-1-by-Jenny-Colgan.pdf
    • http://muicuiu.dumb1.com/6a02a04a00a04a06/Creating-Wealth-Retire-in-Ten-Years-Using-Allen-s-Seven-Principles-of-Wealth-by-Robert-G-Allen.pdf
    • http://muicuiu.dumb1.com/6a01a04a03a08a06/As-a-Man-Thinketh-by-Allen-James-2011-Paperback-by-James-Allen.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a09a00a01/The-Illustrated-Woody-Allen-Reader-by-Woody-Allen.pdf
    • http://muicuiu.dumb1.com/2a01a07a01a06a04/Run-Rosie-Run-by-C-C-MacKenzie.pdf
    • http://muicuiu.dumb1.com/3a09a05a08a04a09/Rosie-s-Walk-by-Pat-Hutchins.pdf
    • http://muicuiu.dumb1.com/2a08a04a06a05a00/Rosie-by-Anne-Lamott.pdf
    • http://muicuiu.dumb1.com/3a03a03a04a03a02/Rosie-by-Lesley-Pearse.pdf
    • http://muicuiu.dumb1.com/2a06a07a05a09a07/What-She-Left-by-Rosie-Fiore.pdf
    • http://muicuiu.dumb1.com/1a07a06a01a02a09/Rosie-by-Mariam-Maarouf.pdf
    • http://muicuiu.dumb1.com/7a02a07a02a04/Cider-With-Rosie-by-Laurie-Lee.pdf
    • http://muicuiu.dumb1.com/3a05a07a09a00a02/The-Illusionists-by-Rosie-Thomas.pdf
    • http://muicuiu.dumb1.com/4a08a08a04a03a03/After-Isabella-by-Rosie-Fiore.pdf
    • http://muicuiu.dumb1.com/1a07a04a08a02a06/Ring-Around-the-Rosie-by-Jen-Wylie.pdf
    • http://muicuiu.dumb1.com/6a09a04a07a04a04/A-Love-Like-Ours-by-Rosie-Harris.pdf
    • http://muicuiu.dumb1.com/1a00a09a04a06a07a01/Whispers-by-Rosie-Goodwin.pdf

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