Malicious PDF — malware analysis report

Static analysis result for SHA-256 6ef679b757ac8c73…

MALICIOUS

PDF

16.0 KB Created: 2019-04-30 03:48:28 +01:00 Authoring application: mPDF 5.7
MD5: 735910290b59b7041384c5c07d877a02 SHA-1: 7f820a3a86f236d4b7cbf59be062ff0c81c2849e SHA-256: 6ef679b757ac8c737a67f4b9300ee6662c92e1054c3246606b0c675bb02b083e
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified as a link farm, suggesting a phishing or redirection attempt. The heuristic 'SE_DOWNLOAD_BUTTON' indicates the presence of deceptive call-to-action phrases. While no scripts were explicitly extracted, the PDF structure and link farm strongly suggest an attempt to trick users into navigating to malicious external resources, likely for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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/7a00a01a03a08a06/Found-Arielle-Lockley-3-by-Elle-Field.pdf
    • http://muicuiu.dumb1.com/2a09a07a01a06a08/Kept-Arielle-Lockley-1-by-Elle-Field.pdf
    • http://muicuiu.dumb1.com/3a08a03a08a00a00/Lost-Arielle-Lockley-2-by-Elle-Field.pdf
    • http://muicuiu.dumb1.com/7a03a06a01a04/Nearly-Found-Nearly-Gone-2-by-Elle-Cosimano.pdf
    • http://muicuiu.dumb1.com/2a06a03a08a05a03/Geli-Voyante-s-Hot-or-Not-by-Elle-Field.pdf
    • http://muicuiu.dumb1.com/3a06a08a09a07a08/Lost-and-Found-Love-in-New-York-1-by-Elle-Casey.pdf
    • http://muicuiu.dumb1.com/3a03a01a01a09a09/After-The-Fire-by-John-Lockley.pdf
    • http://muicuiu.dumb1.com/4a03a00a09a02a05/The-Quarry-by-Steve-Lockley.pdf
    • http://muicuiu.dumb1.com/4a09a09a06a00a05/Tempted-to-Touch-by-Nigeria-Lockley.pdf
    • http://muicuiu.dumb1.com/2a07a02a00a06a03/Found-at-the-Library-Found-1-by-Christi-Snow.pdf
    • http://muicuiu.dumb1.com/2a03a03a02a04a01/Weaving-Wyrd-The-Poetry-and-Thoughts-of-Elle-Mort-by-Elle-Mort.pdf
    • http://muicuiu.dumb1.com/4a08a03a00a06a09/He-Found-Me-He-Found-Me-1-by-Whitney-Barbetti.pdf
    • http://muicuiu.dumb1.com/2a02a09a02a09a05/Found-by-You-Found-by-You-1-by-Victoria-H-Smith.pdf
    • http://muicuiu.dumb1.com/8a07a03a09a08a08/S-Petersen-s-Field-Guide-to-Cthulhu-Monsters-A-Field-Observer-s-Handbook-of-Preternatural-Entities-by-Sandy-Petersen.pdf
    • http://muicuiu.dumb1.com/4a05a03a03a02a03/Principia-Discordia-Or-quot-How-I-Found-Goddess-and-What-I-Did-to-Her-When-I-Found-Her-quot-by-Gregory-Hill.pdf
    • http://muicuiu.dumb1.com/3a07a00a05a00a01/The-New-Boy-by-Arielle-Pierce.pdf
    • http://muicuiu.dumb1.com/7a00a01a03a06a07/Insured-For-Love-by-Arielle.pdf
    • http://muicuiu.dumb1.com/5a00a02a09a08a05/Amenhotep-III-by-Arielle-P-Kozloff.pdf
    • http://muicuiu.dumb1.com/7a00a01a03a00a04/Keeper-Of-The-Heart-by-Arielle.pdf
    • http://muicuiu.dumb1.com/6a08a01a08a09a08/The-Faery-Reel-by-Arielle-Pierce.pdf

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