Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e4c615d4dbce284…

MALICIOUS

PDF

16.2 KB Created: 2019-05-07 04:12:13 +01:00 Authoring application: mPDF 5.7
MD5: 1da5290254aa5f39f66f04dae4ac85a8 SHA-1: 05bbb3f50c45e2726c29fbb888f82280cc228cef SHA-256: 1e4c615d4dbce284a34a996bb85c6b6c55d496b836183076a020ef1e48ccae57
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this as malicious. The document body confirms the presence of these links, suggesting a tactic to drive traffic to a link farm, potentially for SEO manipulation or to host further malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/2a09a01a09a04a00/Emerged-The-Life-of-Anna-5-by-Marissa-Honeycutt.pdf
    • http://muicuiu.dumb1.com/2a09a01a08a08a06/Entwined-The-Life-of-Anna-2-by-Marissa-Honeycutt.pdf
    • http://muicuiu.dumb1.com/2a07a07a06a08a01/Ensnared-The-Life-of-Anna-4-by-Marissa-Honeycutt.pdf
    • http://muicuiu.dumb1.com/4a02a09a08a01a00/The-Life-of-Anna-Part-1-The-Life-of-Anna-1-by-Marissa-Honeycutt.pdf
    • http://muicuiu.dumb1.com/7a02a07a04a08a08/Abandoned-Grace-An-Interview-with-Devin-Andersen-The-Life-of-Anna-6-by-Marissa-Honeycutt.pdf
    • http://muicuiu.dumb1.com/8a05a06a06a09a03/Of-Love-and-Life-I-ve-Got-Your-Number-Home-Front-Saving-CeeCee-Honeycutt-by-Sophie-Kinsella.pdf
    • http://muicuiu.dumb1.com/7a02a07a04a03a01/Marissa-and-the-Witching-Hour-Marissa-s-Second-Sight-by-Simon-R-Conway.pdf
    • http://muicuiu.dumb1.com/2a06a06a07a02a03/Mating-for-Life-by-Marissa-Stapley.pdf
    • http://muicuiu.dumb1.com/1a00a04a03a07a08/Mating-for-Life-by-Marissa-Stapley.pdf
    • http://muicuiu.dumb1.com/6a03a08a05a07a02/Orpheus-Emerged-by-Jack-Kerouac.pdf
    • http://muicuiu.dumb1.com/3a09a06a07a01a04/Incomplete-Nature-How-Mind-Emerged-from-Matter-by-Terrence-W-Deacon.pdf
    • http://muicuiu.dumb1.com/1a03a09a06a01/The-All-New-Jonah-Twist-by-Natalie-Honeycutt.pdf
    • http://muicuiu.dumb1.com/1a06a08a03a02a01/Saving-CeeCee-Honeycutt-by-Beth-Hoffman.pdf
    • http://muicuiu.dumb1.com/2a00a08a06a09a07/Saving-CeeCee-Honeycutt-by-Beth-Hoffman.pdf
    • http://muicuiu.dumb1.com/3a01a08a00a04a07/Wonder-Thief-of-Life-1-by-Christi-Anna.pdf
    • http://muicuiu.dumb1.com/2a05a01a08a01a06/Still-Life-with-Bread-Crumbs-A-Novel-by-Anna-Quindlen.pdf
    • http://muicuiu.dumb1.com/4a03a01a07a08a02/Jealousy-Thief-of-Life-2-by-Christi-Anna.pdf
    • http://muicuiu.dumb1.com/4a03a00a09a06a06/Torn-Thief-of-Life-3-by-Christi-Anna.pdf
    • http://muicuiu.dumb1.com/2a08a03a07a05a00/Still-Life-with-Bread-Crumbs-by-Anna-Quindlen.pdf
    • http://muicuiu.dumb1.com/2a07a09a02a07a05/The-Life-and-Death-of-Anna-Mae-Aquash-by-Johanna-Brand.pdf

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