Malicious PDF — malware analysis report

Static analysis result for SHA-256 c04ae957b811ba2e…

MALICIOUS

PDF

13.2 KB Created: 2019-04-30 04:48:20 +01:00 Authoring application: mPDF 5.7
MD5: 6368dacfc97762939fece0738d25325d SHA-1: ebbfc592d9e5296a25d2a6691ccd7f446f221a79 SHA-256: c04ae957b811ba2e7c5ecf09d93097980fee5ec87d9406db18548fe4fdf114af
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external PDF files, indicative of a link farm or SEO poisoning attack. The ML classifier also flagged this document as malicious. While no scripts were extracted, the sheer volume of outbound links suggests an attempt to drive traffic to potentially malicious content or to manipulate search engine results.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

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/1a01a08a00a00a00a01/Crashed-by-Danielle-A-Elwood.pdf
    • http://muicuiu.dumb1.com/1a07a04a03a00a09/Crashed-by-Danielle-A-Elwood.pdf
    • http://muicuiu.dumb1.com/3a05a02a06a08a05/Take-Me-Out-by-Danielle-A-Elwood.pdf
    • http://muicuiu.dumb1.com/3a01a04a00a00/Crashed-by-K-Bromberg.pdf
    • http://muicuiu.dumb1.com/1a01a08a00a01a00a06/Crashed-by-Kate-Rudolph.pdf
    • http://muicuiu.dumb1.com/8a00a02a09a09a01/Crashed-Junior-Bender-1-by-Timothy-Hallinan.pdf
    • http://muicuiu.dumb1.com/1a01a04a06a08a05/Crashed-Cold-Awakening-2-by-Robin-Wasserman.pdf
    • http://muicuiu.dumb1.com/3a01a08a07a07a01/Horror-Hunters-by-Roger-Elwood.pdf
    • http://muicuiu.dumb1.com/2a06a08a09a01a03/Crashed-Axle-Alley-Vipers-1-by-Sherilee-Gray.pdf
    • http://muicuiu.dumb1.com/8a00a01a01a04/Caroline-Severance-by-Virginia-Elwood-Akers.pdf
    • http://muicuiu.dumb1.com/4a02a03a02a02a02/Zvi-The-Miraculous-Story-of-Triumph-Over-the-Holocaust-by-Elwood-McQuaid.pdf
    • http://muicuiu.dumb1.com/8a04a09a06a09/Darien-Guardian-Angel-of-Jesus-by-Roger-Elwood.pdf
    • http://muicuiu.dumb1.com/4a05a05a08a09a02/Androids-Time-Machines-amp-Blue-Giraffes-A-Panorama-of-Science-Fiction-by-Roger-Elwood.pdf
    • http://muicuiu.dumb1.com/4a00a09a01a03a08/H-R-H-by-Danielle-Steel.pdf
    • http://muicuiu.dumb1.com/4a07a09a06a07a06/The-One-by-Danielle-Allen.pdf
    • http://muicuiu.dumb1.com/7a09a01a08a08a06/I-Like-Me-by-Danielle-Gallman.pdf
    • http://muicuiu.dumb1.com/4a01a06a03a04a07/Against-All-Odds-by-Danielle-Steel.pdf
    • http://muicuiu.dumb1.com/3a04a01a06a08a00/The-Promise-by-Danielle-Steel.pdf
    • http://muicuiu.dumb1.com/1a00a08a05a08a04a03/People-Like-Me-by-Danielle-Tauscher.pdf
    • http://muicuiu.dumb1.com/4a08a06a05a06a09/Over-the-Ocean-by-Danielle-Rohr.pdf

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