Malicious PDF — malware analysis report

Static analysis result for SHA-256 0da76123450b929a…

MALICIOUS

PDF

17.0 KB Created: 2019-04-30 02:33:52 +01:00 Authoring application: mPDF 5.7
MD5: 2e9480f2b58907d3216f6e10c29ded35 SHA-1: f36f8160368d9be92c5ab97fd5419391d688ee90 SHA-256: 0da76123450b929a4f7022b49ed6a418c1942e44c445fbb4773fb55f29e89210
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 malicious intent to redirect users to external sites. The ML classifier also flagged this PDF as malicious with high confidence. While no scripts were extracted, the presence of numerous links and the 'SE_DOWNLOAD_BUTTON' heuristic indicate a social engineering tactic to trick users into clicking through to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9787

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/2a02a06a07a06a04/The-Importance-of-Being-Married-Jessica-Wild-1-by-Gemma-Townley.pdf
    • http://muicuiu.dumb1.com/6a07a05a02a07a03/When-in-Rome-by-Gemma-Townley.pdf
    • http://muicuiu.dumb1.com/7a03a04a03a03a06/Learning-Curves-by-Gemma-Townley.pdf
    • http://muicuiu.dumb1.com/3a00a04a02a09a08/Little-White-Lies-by-Gemma-Townley.pdf
    • http://muicuiu.dumb1.com/2a09a01a04a02a00/The-Importance-of-Being-Wicked-The-Wild-Quartet-1-by-Miranda-Neville.pdf
    • http://muicuiu.dumb1.com/3a09a08a06a04a06/Goodbye-Gemma-Gemma-4-by-Noel-Streatfeild.pdf
    • http://muicuiu.dumb1.com/1a02a00a06a06a08/Wild-Hearts-If-Only--4-by-Jessica-Burkhart.pdf
    • http://muicuiu.dumb1.com/4a07a05a08a07a05/Professor-Gone-Wild-by-Jessica-Wildfire.pdf
    • http://muicuiu.dumb1.com/9a04a00a00a04a07/Married-Boxed-Set---3-Full-Length-Romantic-Comedy-Novels-Married-1-3-by-Victorine-E-Lieske.pdf
    • http://muicuiu.dumb1.com/3a09a08a07a08a08/Gemma-Alone-Gemma-3-by-Noel-Streatfeild.pdf
    • http://muicuiu.dumb1.com/1a07a04a07a06a02/Wanted-Wild-Thing-Midnight-Liaisons-4-by-Jessica-Sims.pdf
    • http://muicuiu.dumb1.com/1a04a06a03a03a01/The-Expert-s-Guide-to-Driving-a-Man-Wild-Bluebonnet-3-by-Jessica-Clare.pdf
    • http://muicuiu.dumb1.com/4a09a02a06a04a03/Wanted-Wild-Thing-Midnight-Liaisons-4-by-Jessica-Sims.pdf
    • http://muicuiu.dumb1.com/1a08a08a06a07a03/Accidentally-Married-Married-1-by-Victorine-E-Lieske.pdf
    • http://muicuiu.dumb1.com/2a03a04a03a07a03/Wake-Up-Married-serial-Episodes-1---6-Wake-Up-Married-1-6-by-Leta-Blake.pdf
    • http://muicuiu.dumb1.com/1a02a06a00a08a01/Outlivers-by-Simon-J-Townley.pdf
    • http://muicuiu.dumb1.com/3a00a02a05a05a09/Will-amp-Patrick-Wake-Up-Married-Wake-Up-Married-1-by-Leta-Blake.pdf
    • http://muicuiu.dumb1.com/1a02a01a08a00a06/The-Great-Good-Thing-by-Roderick-Townley.pdf
    • http://muicuiu.dumb1.com/1a04a08a07a06a05/I-Married-a-Billionaire-I-Married-a-Billionaire-1-by-Melanie-Marchande.pdf
    • http://muicuiu.dumb1.com/2a08a01a07a06a06/Defiant-The-POWs-Who-Endured-Vietnam-s-Most-Infamous-Prison-the-Women-Who-Fought-for-Them-and-the-One-Who-Never-Returned-by-Alvin-Townley.pdf

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