Malicious PDF — malware analysis report

Static analysis result for SHA-256 6c8851b97ed34aa8…

MALICIOUS

PDF

15.2 KB Created: 2019-05-07 04:08:26 +01:00 Authoring application: mPDF 5.7
MD5: f76064ed694dea86fe265be1fb19771b SHA-1: 199408790c650b70022c4b0b8c3ed321eecf6a5b SHA-256: 6c8851b97ed34aa83d4b4d9326063dc02a77db290fd56b01c3c5201189e1e760
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, identified as a link farm. This suggests a tactic to manipulate search engine results or distribute content through a network of linked documents. The ML classifier also flagged this PDF as malicious with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

Heuristics 3

  • 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.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • 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/3a08a04a07a07a04/Arctic-Drift-Dirk-Pitt-20-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/1a01a06a05a02a08a03/Das-Alexandria-Komplott-Ein-Dirk-Pitt-Roman-Reihenfolge-der-Dirk-Pitt-Abenteuer-9-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/4a03a01a01a02a03/Deep-Six-Dirk-Pitt-7-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/1a03a09a08a05a01/Atlantis-Found-Dirk-Pitt-15-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/7a07a01a09a05a00/Celtic-Empire-Dirk-Pitt-25-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/3a08a05a08a05a09/Treasure-Of-Khan-Dirk-Pitt-19-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/1a03a08a05a03a08/Night-Probe-Dirk-Pitt-6-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/8a05a02a05a01/Trojan-Odyssey-Dirk-Pitt-17-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/2a04a09a04a01a06/Poseidon-s-Arrow-Dirk-Pitt-22-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/5a09a00a09a02/Shock-Wave-Dirk-Pitt-13-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/2a04a09a04a05a08/Crescent-Dawn-Dirk-Pitt-21-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/1a01a06a05a02a08a09/Um-Haaresbreite-Roman-Reihenfolge-der-Dirk-Pitt-Abenteuer-5-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/1a01a09a06a00a09a03/Inka-No-gon-O-Oe-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/1a04a03a06a00a07/The-Spy-Isaac-Bell-3-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/1a03a09a06a03a07/Raise-The-Titanic-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/9a06a04a04a00a08/Die-Ajima-Verschw-rung-Roman-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/3a07a02a01a00a08/The-Assassin-Isaac-Bell-8-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/1a06a03a03a07a07/Zero-Hour-NUMA-Files-11-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/9a06a08/Piranha-The-Oregon-Files-10-by-Clive-Cussler.pdf
    • http://muicuiu.dumb1.com/3a02a04a02a00a04/The-Striker-Isaac-Bell-6-by-Clive-Cussler.pdf

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