Malicious PDF — malware analysis report

Static analysis result for SHA-256 483579ae185f4fbc…

MALICIOUS

PDF

15.4 KB Created: 2019-05-02 08:04:44 +01:00 Authoring application: mPDF 5.7
MD5: 8a007ca15e9ab84112679248c9de65b8 SHA-1: e4259bffb35c6b407d6845df5910e67c312401c7 SHA-256: 483579ae185f4fbc5de4bcf20433c91635b2dcf591a09cbeecab732b157c1f38
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF document contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily corrupted, the presence of numerous links suggests a malicious intent, possibly for SEO manipulation or to distribute further malware. 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 0.9778

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/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
    • http://muicuiu.dumb1.com/6a0

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