Malicious PDF — malware analysis report

Static analysis result for SHA-256 9dc30b27ebaf068e…

MALICIOUS

PDF

22.4 KB Created: 2019-05-02 18:23:34 +01:00 Authoring application: mPDF 5.7
MD5: 7756a8b8b472d80bf5f37db2cbfa1a30 SHA-1: 6b64392a979a9533cd6d36540359c4af72ad17ac SHA-256: 9dc30b27ebaf068ebc7643417b2fd1e67f66e46cc9cff0d7caa048d826fc3818
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The primary purpose appears to be distributing these links, potentially for SEO manipulation or to lure users to malicious content. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9901

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://unieoooq.linkpc.net/74e94e24e14e84e4/Dante-s-Inferno-The-First-Part-of-the-Divine-Comedy-of-Dante-Alighieri-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/44e24e94e24e74e9/The-Divine-Comedy-of-Dante-Alighieri-The-Five-Foot-Shelf-of-Books-20-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/94e14e14e54e74e0/The-Divine-Comedy-of-Dante-Alighieri-The-100-Greatest-Books-Ever-Written-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/74e04e54e04e64e2/The-Divine-Comedy-of-Dante-Alighieri-Volume-1-Inferno-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/74e24e54e54e64e4/Dante-s-Inferno-The-Divine-Comedy-Book-One-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/54e34e94e14e64e2/The-Divine-Comedy---Inferno-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/34e24e44e14e6/Inferno-The-Divine-Comedy-1-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/64e44e84e74e0/The-Inferno-The-Divine-Comedy-1-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/84e64e64e64e9/The-Divine-Comedy-Vol-1-Inferno-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/24e54e24e84e74e2/The-Divine-Comedy-Volume-3-Paradise-Paradiso-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/84e44e74e34e04e2/Inferno-Canto-I-a-triple-rhyme-translation-of-the-Divine-comedy-by-Sidney-Gunn-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/14e14e54e44e54e54e6/The-Divine-Comedy-Illustrated-and-Annotated-Complete-Enhanced-E-Book-Edition-with-original-Gustave-Dor-illustrations-Footnotes-and-Audio-Link-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/54e24e84e04e24e4/La-Divine-Com-die-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/84e44e44e84e74e3/The-Inferno-of-Dante-Alighieri-Tr-Into-English-Blank-Verse-with-Notes-Historical-Classical-and-Explanatory-and-a-Life-of-the-Author-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/64e04e54e64e44e5/The-Vision-of-Hell-By-Dante-Alighieri-Translated-by-REV-Henry-Francis-Cary-M-A-And-Illustrated-with-the-Seventy-Five-Designs-of-Gustave-Dore-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/54e34e54e44e64e0/La-Divine-Com-die-Int-grale-les-3-livres-L-Enfer-Le-Purgatoire-Le-Paradis-French-Edition-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/54e34e44e34e74e0/Inferno-Di-Dante-Alighieri-in-Versi-E-in-Prosa-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/64e54e64e04e34e2/Reflecting-the-Eternal-Dante-s-Divine-Comedy-in-the-Novels-of-C-S-Lewis-by-Marsha-Daigle-Williamson.pdf
    • http://unieoooq.linkpc.net/54e94e34e54e74e0/Sandro-Botticelli-The-Drawings-for-Dante-s-Divine-Comedy-by-Hein-Thomas-Schulze-Altcappenberg.pdf
    • http://unieoooq.linkpc.net/14e14e54e94e14e04e8/Inferno-of-Dante-Alighieri-by-Dante-Alighieri.pdf
    • http://unieoooq.linkpc.net/64e44e84e74e0/The-In

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