Malicious PDF — malware analysis report

Static analysis result for SHA-256 732ad6f12c9b7ca3…

MALICIOUS

PDF

14.9 KB Created: 2019-05-03 05:58:54 +01:00 Authoring application: mPDF 5.7
MD5: 8e63ea388c91a93bfc780ac43d012c42 SHA-1: 60da2fedadbd1da9c3efbfaa5a6068fc4c6c7b42 SHA-256: 732ad6f12c9b7ca378948cb0ad5d50311b0ce7a20565c6f65a6854742c0df5d8
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files on a suspicious domain, identified as a link farm. This suggests a tactic to manipulate search engine results or distribute potentially malicious content indirectly. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact payload.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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://cefasfese.4pu.com/3739731734732736/Addison-Cooke-and-the-Treasure-of-the-Incas-Addison-Cooke-1-by-Jonathan-W-Stokes.pdf
    • http://cefasfese.4pu.com/3738733730732738/Addison-Cooke-and-the-Tomb-of-Khan-Addison-Cooke-2-by-Jonathan-W-Stokes.pdf
    • http://cefasfese.4pu.com/7733739734732739/A-Present-for-a-Papist-Or-the-History-of-the-Life-of-Pope-Joan-taken-Mainly-from-A-Cooke-s-Pope-Joane-by-Alexander-Cooke.pdf
    • http://cefasfese.4pu.com/2737738738730734/The-Treasure-of-the-Incas-by-G-A-Henty.pdf
    • http://cefasfese.4pu.com/1732735735737738/The-Warren-Companion-by-Jon-B-Cooke.pdf
    • http://cefasfese.4pu.com/4738731734739738/The-Terrible-Underpants-by-Kaz-Cooke.pdf
    • http://cefasfese.4pu.com/3734735735732736/Zephyr-by-Andrew-Cooke.pdf
    • http://cefasfese.4pu.com/8731738730738732/Law-of-Tort-by-Philip-Cooke.pdf
    • http://cefasfese.4pu.com/2733738737738/The-Spirit-Vol-1-by-Darwyn-Cooke.pdf
    • http://cefasfese.4pu.com/5732731738734734/Feeding-the-Dogs-by-Kay-McKenzie-Cooke.pdf
    • http://cefasfese.4pu.com/5736732731737739/Noughts-and-Crosses-by-Dominic-Cooke.pdf
    • http://cefasfese.4pu.com/4738734739737732/Mrs-Lincoln-by-Janis-Cooke-Newman.pdf
    • http://cefasfese.4pu.com/7736737738730730/How-Anansi-Got-His-Stories-by-Trish-Cooke.pdf
    • http://cefasfese.4pu.com/2731732738732739/The-Angels-Footpath-by-Ronald-R-Cooke.pdf
    • http://cefasfese.4pu.com/2730736733737730/Mary-by-Janis-Cooke-Newman.pdf
    • http://cefasfese.4pu.com/2735732731734735/DC-The-New-Frontier-Volume-1-by-Darwyn-Cooke.pdf
    • http://cefasfese.4pu.com/9739739732730739/Amor-and-Psycho-Stories-by-Carolyn-Cooke.pdf
    • http://cefasfese.4pu.com/1731735732734732732/Rosemarie-Trockel-A-Cosmos-by-Lynne-Cooke.pdf
    • http://cefasfese.4pu.com/8736731734735/Winter-Kiss-Dragonfire-4-by-Deborah-Cooke.pdf
    • http://cefasfese.4pu.com/2739735732737/The-Snowblind-Moon-by-John-Byrne-Cooke.pdf

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