Malicious PDF — malware analysis report

Static analysis result for SHA-256 e25ac0aa751b21fa…

MALICIOUS

PDF

19.1 KB Created: 2019-04-30 04:11:18 +01:00 Authoring application: mPDF 5.7
MD5: 72a30c16255768eeaffea4ed9c3f700a SHA-1: 5aa7c93ede55a402d539cb4c28d98bbffdaffb75 SHA-256: e25ac0aa751b21fa858109947dfa138baf3e4e6a44887458bb055a489e5c49a4
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links to external PDF documents, a technique often used for SEO poisoning or to distribute malicious content. 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 0.9920

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/9a01a01a05a07a00/The-Divine-Comedy-of-Dante-Alighieri-The-100-Greatest-Books-Ever-Written-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/5a07a08a00a02a05/The-Divine-Comedy-Of-Dante-Alighieri-Italian-Text-With-Translation-And-Comment-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/1a00a06a02a08a07a08/The-Divine-Comedy-of-Dante-Alighieri-Volume-I-Inferno-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/3a03a06a09a07a02/Dante-s-Inferno-the-Divine-Comedy-Volume-1-Hell-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/7a09a03a07a03a06/The-Divine-Comedy-The-Vision-of-Dante-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/7a06a02a08a08a03/The-Divine-Comedy-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/9a02a04a08a06a03/The-Divine-Comedy-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/3a02a02a02a05/The-Divine-Comedy-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/5a02a08a05a06/Inferno-The-Divine-Comedy-1-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/8a04a02a06a05a02/Paradise-The-Divine-Comedy-3-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/5a06a00a08a09a09/The-Divine-Comedy-The-Complete-Text-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/8a04a04a08a07a03/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://muicuiu.dumb1.com/1a00a04a01a09a00a03/Divine-Comedy-The-Vision-of-Hell-Optimized-for-ebook-Illustrated-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/7a02a01a05a08a03/Divine-Comedy-Illustrated-Platinum-Edition-Free-Audiobook-Included-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/1a01a05a09a01a00a08/Inferno-of-Dante-Alighieri-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/1a00a02a02a07a09a01/The-Inferno-of-Dante-A-New-Verse-Translation-by-Robert-Pinsky-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/5a07a02a01a05a09/Dante-s-Divina-Commedia-Vol-2-Translated-Into-English-in-the-Metre-and-Triple-Rhyme-of-the-Original-With-Notes-Purgatorio-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/1a00a00a03a06a08a08/The-New-Life-of-Dante-Alighieri-by-Dante-Gabriel-Rossetti.pdf
    • http://muicuiu.dumb1.com/5a06a02a01a06a09/Dante-Inferno-by-Dante-Alighieri.pdf
    • http://muicuiu.dumb1.com/9a09a08a03a09a06/---by-Dante-Alighieri.pdf

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