Malicious PDF — malware analysis report

Static analysis result for SHA-256 694dfd367a57a33f…

MALICIOUS

PDF

15.3 KB Created: 2019-04-30 03:29:39 +01:00 Authoring application: mPDF 5.7
MD5: 7a4d73df6235a013cc3f79dfbe544e1a SHA-1: 44ce01940299691865079e49deba0e6ba61f5351 SHA-256: 694dfd367a57a33f23d94e7b91237ce8da7bb70a95f21361f179a1437bbb664a
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a large number of embedded URLs that point to external PDF documents, masquerading as book downloads. The heuristic 'PDF_SEO_LINK_FARM' indicates a link farm strategy, suggesting the primary purpose is to drive traffic to these external resources. No scripts were extracted, and the document body was heavily obfuscated, making it difficult to determine a more specific attack pattern beyond the link farm.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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://xiixmcuin.linkpc.net/3207207202209207/The-Gate-to-Women-s-Country-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/1200205208208207/Singer-from-the-Sea-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/5206203207201/The-Companions-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/1200205208209202/Six-Moon-Dance-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/2206205209208205/Grass-Arbai-1-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/6208209204209/The-Family-Tree-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/3207207204203207/Raising-the-Stones-Arbai-2-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/3208205206206205/Raising-the-Stones-Arbai-2-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/1200202208207208/Raising-the-Stones-Arbai-2-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/4202208200203208/Dervish-Daughter-The-End-of-the-Game-2-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/4207204201200200/Gibbon-s-Decline-and-Fall-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/1200207202204201/The-Waters-Rising-Plague-of-Angels-2-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/9200208203207202/Marianne-the-Madame-and-the-Momentary-Gods-Marianne-2-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/1206204206200200/Marianne-the-Magus-and-the-Manticore-Marianne-1-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/1205204208201202/The-Awakeners-Northshore-amp-Southshore-The-Awakeners-1-2-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/2203201201204203/The-Marianne-Trilogy-Marianne-1-3-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/1205205209203209/The-Song-of-Mavin-Manyshaped-The-Chronicles-of-Mavin-Manyshaped-1-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/1206200200208208/A-Plague-of-Angels-Plague-of-Angels-1-by-Sheri-S-Tepper.pdf
    • http://xiixmcuin.linkpc.net/9200202205203201/Sky-Girls-The-True-Story-of-the-First-Women-s-Cross-Country-Air-Race-by-Gene-Jessen.pdf
    • http://xiixmcuin.linkpc.net/5202205200207203/An-Independent-Women-s-World-From-the-12th-Century-to-the-Present-The-Beguines-and-Beguinages-in-the-Southern-Low-Country-by-Genevieve-de-Cant.pdf

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