Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a97fc6035cfcd83…

MALICIOUS

PDF

14.0 KB Created: 2019-05-02 07:54:23 +01:00 Authoring application: mPDF 5.7
MD5: 41a6d0fc978e161c22adc8cf2cb9f831 SHA-1: cb1580958c38ac94000aeffd0f25782cb9c28fbd SHA-256: 3a97fc6035cfcd83ef2a0aafe105d2be6fd71ab53ef2dd6c00ca87d2b67d6787
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents, all hosted on the domain 'cefasfese.4pu.com'. This pattern is indicative of an SEO poisoning or link farm attack, where the goal is to drive traffic to specific content or manipulate search engine rankings. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact intent beyond link distribution.

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/6739734739734738/Philip-Roth-Reads-from-His-Zuckerman-Bound-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/8730737730732737/A-Philip-Roth-Reader-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/8737739730738/The-Facts-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/1735731736730/The-Counterlife-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/2739732732735733/The-Humbling-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/4734730737732735/The-Breast-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/1734732737739733/The-Humbling-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/7732733737732731/Philip-Roth-at-80-by-Jonathan-Lethem.pdf
    • http://cefasfese.4pu.com/3735733730739/The-Plot-Against-America-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/4736731731731736/The-Plot-Against-America-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/8731738737730739/American-Pastoral-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/2732730736731/The-Professor-Of-Desire-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/6739734739739735/The-Anatomy-Lesson-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/2733735734730/Sabbath-s-Theater-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/9734731738731/Sabbath-s-Theater-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/1730736730734737730/Zuckermans-Befreiung-Roman-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/3738733736731738/Conversations-with-Philip-Roth-by-George-J-Searles.pdf
    • http://cefasfese.4pu.com/3734733737739/The-Human-Stain-The-American-Trilogy-3-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/5738737730738734/Beyond-Despair-Three-Lectures-and-a-Conversation-with-Philip-Roth-by-Aharon-Appelfeld.pdf
    • http://cefasfese.4pu.com/3733733732735735/American-Pastoral-The-American-Trilogy-1-by-Philip-Roth.pdf
    • http://cefasfese.4pu.com/9734731738731/Sabbath-s-Theater-by-Philip-Roth

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