Malicious PDF — malware analysis report

Static analysis result for SHA-256 e174168c775b9867…

MALICIOUS

PDF

16.7 KB Created: 2019-04-30 04:08:08 +01:00 Authoring application: mPDF 5.7
MD5: 3cc29306d3da8692c3a8b130e6044b67 SHA-1: 42abd86a81c529c3f2a40b8c400e19d4408394a1 SHA-256: e174168c775b9867a9e7afeb82e7658f9045a3dc4ff224c5ed94c31a5feed8ba
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external websites, identified as a PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine results or redirect users to potentially malicious content hosted on the linked domains. The document body contains these URLs, indicating they are intentionally placed.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/5a00a04a04a09/I-Michael-Bennett-Michael-Bennett-5-by-James-Patterson.pdf
    • http://muicuiu.dumb1.com/2a07a00a01a07a02/Gone-Michael-Bennett-6-by-James-Patterson.pdf
    • http://muicuiu.dumb1.com/2a07a01a03a05a07/Burn-Michael-Bennett-7-by-James-Patterson.pdf
    • http://muicuiu.dumb1.com/1a00a05a00a07/Worst-Case-Michael-Bennett-3-by-James-Patterson.pdf
    • http://muicuiu.dumb1.com/1a05a07a01a05a03/Union-Jacks-Yankee-Sailors-in-the-Civil-War-by-Michael-J-Bennett.pdf
    • http://muicuiu.dumb1.com/6a07a08a08a06a05/IF-I-STAY-a-Reader-s-Guide-to-the-Gayle-Forman-Novel-by-Michael-Bennett.pdf
    • http://muicuiu.dumb1.com/5a05a03a04a08a06/Life-Is-a-Gift-The-Zen-of-Bennett-by-Tony-Bennett.pdf
    • http://muicuiu.dumb1.com/5a05a03a04a08a03/The-Secret-Life-of-Cooper-Bennett-Cooper-Bennett-1-by-Golden-Czermak.pdf
    • http://muicuiu.dumb1.com/3a01a09a01a00a06/My-Father-s-Geisha-by-James-Gordon-Bennett.pdf
    • http://muicuiu.dumb1.com/3a08a03a06a02a09/Submitting-to-Freedom-The-Religious-Vision-of-William-James-by-Bennett-Ramsey.pdf
    • http://muicuiu.dumb1.com/7a05a00a04a04a04/Bennett-Cerf-s-Book-of-Riddles-by-Bennett-Cerf.pdf
    • http://muicuiu.dumb1.com/7a05a00a04a04a05/Bennett-Cerf-s-Book-of-Laughs-by-Bennett-Cerf.pdf
    • http://muicuiu.dumb1.com/7a05a00a04a04a08/Bennett-Cerf-s-The-Sound-Of-Laughter-by-Bennett-Cerf.pdf
    • http://muicuiu.dumb1.com/7a05a00a04a05a07/Bennett-Cerf-s-Houseful-of-Laughter-by-Bennett-Cerf.pdf
    • http://muicuiu.dumb1.com/9a08a08a03a05a06/James-Gordon-Bennett-and-the-New-York-Herald-A-Study-of-Editorial-Opinion-in-the-Civil-War-Era-1854-1867-by-Douglas-Fermer.pdf
    • http://muicuiu.dumb1.com/9a08a08a04a04a09/James-Gordon-Bennett-and-the-New-York-Herald-A-Study-of-Editorial-Opinion-in-the-Civil-War-Era-1854-1867-by-Douglas-Fermer.pdf
    • http://muicuiu.dumb1.com/1a02a02a06a02a08/Love-com-by-R-W-Bennett.pdf
    • http://muicuiu.dumb1.com/4a01a03a04a00a01/The-Look-by-Sophia-Bennett.pdf
    • http://muicuiu.dumb1.com/4a06a00a01a00a00/Off-Course-Off-4-by-Sawyer-Bennett.pdf
    • http://muicuiu.dumb1.com/1a00a00a04a04a07/Love-com-by-R-W-Bennett.pdf
    • http://muicuiu.dumb1.com/7a05a00a04a04a04/Benne

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