Malicious PDF — malware analysis report

Static analysis result for SHA-256 17c80d4c2d80ee74…

MALICIOUS

PDF

15.4 KB Created: 2019-05-01 12:00:30 +01:00 Authoring application: mPDF 5.7
MD5: a8e031d41d983134773f91a89524cb2b SHA-1: 29cfb39b584c4a4c0891cd9d6d44c1e0394de32c SHA-256: 17c80d4c2d80ee74485bad2b3d2f8e687f38cfbc043a6be3bb390ac7aabbae3c
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, identified as a link farm. While the document body is heavily obfuscated, the presence of numerous links suggests an attempt to manipulate search engine results or direct users to potentially malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, but the link farm behavior is indicative of a phishing or content-serving lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/9a08a07a03a07a08/Die-anal-liebenden-Bitches-im-Gef-ngnis-by-Ester-Ralf.pdf
    • http://muicuiu.dumb1.com/6a06a01a05a03a05/Ester-Cleans-Up-Ester-Limpia-by-Alma-Sanchez.pdf
    • http://muicuiu.dumb1.com/9a08a07a01a09a01/Die-liebenden-der-Lubjanka-Die-liebenden-der-Lubjanka-by-Andrea-Rossi.pdf
    • http://muicuiu.dumb1.com/1a00a01a03a04a05a04/Ghostwriter-Die-Kolumnen-von-Ralf-Husmann-KulturSPIEGEL-E-Book-by-Ralf-Husmann.pdf
    • http://muicuiu.dumb1.com/9a07a03a03a06a09/Daddy-s-Anal-Princess-by-Rayven-York.pdf
    • http://muicuiu.dumb1.com/1a00a08a05a00a01a04/First-Timers-First-Anal-First-Gangbang-and-More-by-Geena-Flix.pdf
    • http://muicuiu.dumb1.com/5a07a07a03a07a01/The-Ultimate-Guide-to-Anal-Sex-for-Women-by-Tristan-Taormino.pdf
    • http://muicuiu.dumb1.com/8a01a07a02a01a04/Black-and-White-Four-Anal-Stories-by-Danni-Trantor.pdf
    • http://muicuiu.dumb1.com/6a06a01a05a08a09/Ester-by-Paul-Law.pdf
    • http://muicuiu.dumb1.com/6a06a01a06a03a00/Ester-by-Anonymous.pdf
    • http://muicuiu.dumb1.com/9a08a07a02a08a01/Im-Labyrinth-der-liebenden-Frauen-by-Louise-Fu.pdf
    • http://muicuiu.dumb1.com/9a08a07a02a08a05/Die-Liebenden-aus-der-B-cherbox-by-Sophie-Andrell.pdf
    • http://muicuiu.dumb1.com/9a08a07a03a07a00/Die-Liebenden-aus-der-B-cherbox-3-by-Sophie-Andrell.pdf
    • http://muicuiu.dumb1.com/9a08a07a03a07a01/Die-Liebenden-aus-der-B-cherbox-7-by-Sophie-Andrell.pdf
    • http://muicuiu.dumb1.com/2a02a08a01a08a07/The-Toast-Bitches-by-Sandra-Cormier.pdf
    • http://muicuiu.dumb1.com/1a07a00a06a00a09/Starbucks-Bitches-by-Brian-Hodges.pdf
    • http://muicuiu.dumb1.com/9a04a00a07a01a09/Why-Men-Marry-Bitches-by-Sherry-Argov.pdf
    • http://muicuiu.dumb1.com/6a06a01a05a03a08/Ester-by-Beth-Moore.pdf
    • http://muicuiu.dumb1.com/1a02a00a03a08a08/Sex-Piston-Biker-Bitches-1-by-Jamie-Begley.pdf
    • http://muicuiu.dumb1.com/9a06a01a05a04a09/Herbs-over-Bitches-HoBs-by-Nathaniel-D-Jenkins.pdf

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