Malicious PDF — malware analysis report

Static analysis result for SHA-256 7ae8a09514f61721…

MALICIOUS

PDF

16.5 KB Created: 2019-05-02 01:01:04 +01:00 Authoring application: mPDF 5.7
MD5: fe0f808dc49ed48fd9ecabe9ce507591 SHA-1: c4a6b8d12d08bbab284647b04f92eac371ddd2a7 SHA-256: 7ae8a09514f617218d6de7494d41e2adc1b5b95f6071ab758903f29f93213ce9
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a mass external link farm, with 22 links pointing to external PDF documents. The ML classifier also flagged this PDF as malicious. While no scripts were extracted, the presence of numerous links suggests an attempt to direct users to potentially malicious content or to manipulate search engine results.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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/9a03a03a07a06a08/A-Time-of-Terror-The-Great-Dayton-Flood-by-Allan-W-Eckert.pdf
    • http://muicuiu.dumb1.com/3a05a00a04a08a06/The-Time-Hunters-and-the-Box-of-Eternity-Time-Hunters-2-by-Carl-Ashmore.pdf
    • http://muicuiu.dumb1.com/4a01a06a01a09a01/The-Shack-Where-Tragedy-Confronts-Eternity-by-William-Paul-Young.pdf
    • http://muicuiu.dumb1.com/5a02a07a05a09/From-Eternity-to-Here-The-Quest-for-the-Ultimate-Theory-of-Time-by-Sean-Carroll.pdf
    • http://muicuiu.dumb1.com/5a03a05a06a07a04/Confidence-In-You-by-Paul-G-Bailey.pdf
    • http://muicuiu.dumb1.com/5a01a00a01a07a06/The-Image-Of-Eternity-Roots-Of-Time-In-The-Physical-World-by-David-Allen-Park.pdf
    • http://muicuiu.dumb1.com/1a02a02a01a02a06/Yours-For-Eternity-MacNachton-Vampires-7-Guardians-of-Eternity-7-5-by-Hannah-Howell.pdf
    • http://muicuiu.dumb1.com/4a03a05a00a08a05/The-Future-Memoir-of-Ann-Jones-A-Time-Travel-Romance-with-a-Splash-of-Magic-by-Alex-Bailey.pdf
    • http://muicuiu.dumb1.com/5a05a03a05a01a00/End-of-Eternity-End-of-Eternity-1-by-Loretta-Lost.pdf
    • http://muicuiu.dumb1.com/1a03a05a07a08a04/Lee-Bailey-s-Southern-Food-And-Plantation-Houses-by-Lee-Bailey.pdf
    • http://muicuiu.dumb1.com/3a09a00a03a00a01/Killing-Time-The-Autobiography-of-Paul-Feyerabend-by-Paul-Karl-Feyerabend.pdf
    • http://muicuiu.dumb1.com/5a03a01a01a01a03/In-the-Mean-Time-by-Paul-Tremblay.pdf
    • http://muicuiu.dumb1.com/7a05a07a07a07a05/Now-Is-The-Time-by-Paul-Grondahl.pdf
    • http://muicuiu.dumb1.com/1a01a00a09a04a08/All-Time-High-by-Paul-Camster.pdf
    • http://muicuiu.dumb1.com/6a01a00a06a06a06/Borrowed-Time-Love-Alone-Becoming-a-Man-by-Paul-Monette.pdf
    • http://muicuiu.dumb1.com/1a01a08a06a05a09/Time-Was---A-romantic-comedy-with-a-kink-by-Paul-Adams.pdf
    • http://muicuiu.dumb1.com/6a09a08a07a01a01/Adventure-Time-The-Flip-Side-by-Paul-Tobin.pdf
    • http://muicuiu.dumb1.com/2a06a03a07a06a06/The-Power-of-Time-Perception-by-Jean-Paul-Zogby.pdf
    • http://muicuiu.dumb1.com/3a02a05a00a09a04/The-Gabon-Virus-TSI-Time-Scene-Investigators-1-by-Paul-McCusker.pdf
    • http://muicuiu.dumb1.com/4a09a03a06a04a02/Emily-Ever-After-by-Anne-Dayton.pdf

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