Malicious PDF — malware analysis report

Static analysis result for SHA-256 bbee2b24dc1cf646…

MALICIOUS

PDF

18.2 KB Created: 2019-05-02 05:12:08 +01:00 Authoring application: mPDF 5.7 First seen: 2020-12-28
MD5: c251f208999b206e68845d019c5c277a SHA-1: 35c6be7aca20f625b351e813e12b7d6fe73170dd SHA-256: bbee2b24dc1cf64698e512ce9979879d5afc06c1905690a7a0ba9159bc905605
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file contains a large number of embedded links to external PDF documents, masquerading as comic books. The heuristic 'PDF_SEO_LINK_FARM' indicates a mass external link farm, suggesting a tactic to drive traffic or potentially distribute further malicious content. While the ML classifier strongly flags this as malicious, the exact payload or intent beyond linking is not clear from the provided evidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/2735739735736732/The-Batman-Chronicles-Vol-3-by-Bill-Finger.pdf In PDF document text
    • http://cefasfese.4pu.com/2735739737734739/The-Batman-Chronicles-Vol-4-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/2735739737735733/The-Batman-Chronicles-Vol-2-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/2735739735736734/The-Batman-Chronicles-Vol-10-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/3730738730732734/The-Batman-Chronicles-Vol-5-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/7735731730734/The-Batman-Chronicles-Vol-1-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/2735739735734739/The-Batman-Chronicles-Volume-Five-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/3730738730733730/Batman-Arkham-Scarecrow-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/3730738730739735/Batman-A-Celebration-of-75-Years-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/3730737739735735/Batman-The-Black-Casebook-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731736733730737737/Batman-The-Dailies-1943-1946-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730731733739732732/Robin-The-Boy-Wonder-A-Celebration-of-75-Years-by-Bill-Finger.pdfIn PDF document text
    • http://cefasfese.4pu.com/8735735735736730/Super-Heros-Fonde-Sur-Un-Animal-Batman-Batgirl-Wolverine-Robin-Catwoman-La-Panthere-Noire-Terry-McGinnis-Congo-Bill-the-Tick-by-Source-Wikipedia.pdfIn PDF document text
    • http://cefasfese.4pu.com/3730738731732735/Absolute-Batman-amp-Robin-Batman-Reborn-by-Grant-Morrison.pdfIn PDF document text
    • http://cefasfese.4pu.com/1730735733739/Batman-amp-Robin-Batman-Reborn-by-Grant-Morrison.pdfIn PDF document text
    • http://cefasfese.4pu.com/1731732735734730730/Batman-33-New-52-Batman-33-by-Scott-Snyder.pdfIn PDF document text
    • http://cefasfese.4pu.com/8734738734730737/Valkyria---Games-Valkyria-Chronicles-Valkyria-Chronicles-2-Valkyria-Chronicles-3-Valkyria-Chronicles-Valkyria-Chronicles-2-Valkyria-Chronicles-3-Action-Points-Challenges-of-the-Edy-Detachment-Class-Change-System-Col-Nonnenkof-by-Source-Wikia.pdfIn PDF document text
    • http://cefasfese.4pu.com/3738734738739736/Bill-Mauldin-s-Army-Bill-Mauldin-s-Greatest-World-War-II-Cartoons-by-Bill-Mauldin.pdfIn PDF document text
    • http://cefasfese.4pu.com/9730736732731/Batman-Judge-Dredd-Judgment-on-Gotham-Batman-Judge-Dredd-1-by-Alan-Grant.pdfIn PDF document text
    • http://cefasfese.4pu.com/9739730733738/Bill-the-Vampire-The-Tome-of-Bill-1-by-Rick-Gualtieri.pdfIn PDF document text

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