Malicious PDF — malware analysis report

Static analysis result for SHA-256 53c5291ff08d187e…

MALICIOUS

PDF

14.7 KB Created: 2019-05-02 00:49:20 +01:00 Authoring application: mPDF 5.7
MD5: 6dbe1ef46f12cce822767a5cfec72bd7 SHA-1: fdb4dbe44c615610cf8eb134a7f114583b68e6d4 SHA-256: 53c5291ff08d187efb1ecc2fa6fef7f8b71e63e2313fbfca6f3c33a2e49e00fe
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file was flagged by a machine learning classifier as malicious and contains a large number of embedded external links, characteristic of SEO poisoning or link farm techniques. While the specific intent of these links is unclear due to their benign reputation, the sheer volume and the heuristic firing suggest an attempt to manipulate search results or distribute potentially harmful content. No scripts were extracted, limiting the analysis of direct payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9798

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://muicuiu.dumb1.com/2a09a07a01a01a04/Finding-Me-Finding-Me-3-by-Danielle-Taylor.pdf
    • http://muicuiu.dumb1.com/3a06a05a00a08a06/Finding-Grace-A-True-Story-About-Losing-Your-Way-In-Life-And-Finding-It-Again-by-Donna-VanLiere.pdf
    • http://muicuiu.dumb1.com/1a01a09a06a03a05/Finding-Salvation-The-Finding-Series-1-by-Elizabeth-Hayes.pdf
    • http://muicuiu.dumb1.com/2a04a01a08a09a02/Finding-Elizabeth-by-Taylor-Fenner.pdf
    • http://muicuiu.dumb1.com/9a08a07a05a07/Finding-Me-Ford-amp-Elise-1-by-Brooklyn-Taylor.pdf
    • http://muicuiu.dumb1.com/2a03a04a01a08a08/Finding-Home-Finding-1-by-Sloane-Kennedy.pdf
    • http://muicuiu.dumb1.com/2a03a03a08a04a04/Finding-Margo-Finding-Home-1-by-Jen-Turano.pdf
    • http://muicuiu.dumb1.com/3a07a08a09a08a03/Finding-You-Finding-Me-by-Bailey-Queen.pdf
    • http://muicuiu.dumb1.com/4a02a01a05a02/Finding-Ava-Finding-Ava-1-by-Jennifer-Loren.pdf
    • http://muicuiu.dumb1.com/6a09a04a06a00a05/Finding-Ours-Finding-1-5-by-Megan-Smith.pdf
    • http://muicuiu.dumb1.com/4a07a08a01a04a07/Finding-You-Finding-Me-by-Bailey-Queen.pdf
    • http://muicuiu.dumb1.com/3a01a05a00a07a08/Finding-My-Way-Finding-My-Way-1-by-Megan-Keith.pdf
    • http://muicuiu.dumb1.com/4a02a09a06a05a00/Finding-Finding-1-by-Kameron-Abilla.pdf
    • http://muicuiu.dumb1.com/6a06a02a05a08a04/Finding-Nemo-Reef-Rescue-Finding-Nemo-by-Marie-P-Croall.pdf
    • http://muicuiu.dumb1.com/2a04a06a03a04a05/Finding-You-Finding-1-by-S-K-Hartley.pdf
    • http://muicuiu.dumb1.com/1a01a01a07a03a09a02/Finding-Perfect-Finding-Perfect-1-by-Kendra-C-Highley.pdf
    • http://muicuiu.dumb1.com/5a04a09a04a04/Losing-Me-Finding-You-Losing-Me-Finding-You-1-by-Natalie-Ward.pdf
    • http://muicuiu.dumb1.com/3a05a01a09a09a02/Finding-the-Way-A-Novel-of-Lao-Tzu-by-Wayne-Ng.pdf
    • http://muicuiu.dumb1.com/7a01a01a08a05/Finding-My-Hat-by-John-Son.pdf
    • http://muicuiu.dumb1.com/1a01a02a05a03a03a05/Finding-Fraser-by-K-C-Dyer.pdf
    • http://muicuiu.dumb1.com/3a01a05a00a07a08/Finding-My-Way-Finding-My-Way-1-by-Megan-

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