Malicious PDF — malware analysis report

Static analysis result for SHA-256 4deab492e8a05f5c…

MALICIOUS

PDF

27.8 KB Created: 2019-04-30 02:51:54 +01:00 Authoring application: mPDF 5.7
MD5: 779a5a5e0d988cbff9ee7b9031f78469 SHA-1: 5298a84adbb4b3932202b5a2aa90826ec71dde4c SHA-256: 4deab492e8a05f5c9868f3076240fcfc62fcf377a22b7e53a6bdfa801d418f72
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file was flagged by a machine learning classifier as malicious. Static analysis revealed a large number of embedded links, identified as a PDF SEO link farm. While no scripts were extracted, the sheer volume of links suggests an attempt to manipulate search engine results or distribute further malicious content. The ML classifier's high confidence score supports this assessment.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9681

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/2a00a02a08a06a03/Whisper-of-Love-The-Bradens-at-Peaceful-Harbor-5-The-Bradens-17-Love-in-Bloom-36-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a00a02a03/River-of-Love-The-Bradens-at-Peaceful-Harbor-3-The-Bradens-15-Love-in-Bloom-34-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a00a04a03/Healed-By-Love-The-Bradens-at-Peaceful-Harbor-1-The-Bradens-13-Love-in-Bloom-32-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a02a06a00/Love-at-Last-Love-in-Bloom-The-Bradens-at-Peaceful-Harbor-6-5-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a06a04a06/Love-at-Last-A-Braden-Flirt-Love-in-Bloom-The-Bradens-at-Peaceful-Harbor-Volume-7-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a00a04a07/Promise-My-Love-Bradens-Ever-After-Rex-amp-Jade-Wedding-The-Bradens-Novellas-Collection-The-Bradens-7-Love-in-Bloom-22-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a02a06a07/Hot-for-Love-Bradens-amp-Montgomerys-Pleasant-Hill---Oak-Falls-8-The-Bradens-24-Love-in-Bloom-64-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a00a05a02/Romancing-My-Love-The-Bradens-at-Trusty-3-The-Bradens-9-Love-in-Bloom-18-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a00a03a00/Bursting-with-Love-The-Bradens-at-Weston-CO-5-The-Bradens-5-Love-in-Bloom-8-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a00a03a01/Flirting-with-Love-The-Bradens-at-Trusty-4-The-Bradens-10-Love-in-Bloom-19-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a00a03a04/Crashing-into-Love-The-Bradens-at-Trusty-6-The-Bradens-12-Love-in-Bloom-21-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a02a00a02/The-Bradens-at-Weston-CO-Books-1-6-Boxed-Set-The-Bradens-at-Weston-CO-1-6-The-Bradens-1-6-Love-in-Bloom-4-9-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a00a02a07/Sea-of-Love-The-Bradens-at-Weston-CO-4-The-Bradens-4-Love-in-Bloom-7-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/1a07a01a06a02a04/Taken-by-Love-The-Bradens-at-Trusty-1-The-Bradens-7-Love-in-Bloom-16-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/1a07a01a06a00a03/Sea-of-Love-Love-in-Bloom-7-Love-in-Bloom-The-Bradens-4-The-Bradens-at-Weston-CO-4-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/5a00a00a03a09a08/Surrender-My-Love-Love-in-Bloom-The-Bradens-Cole-Braden-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/8a08a07a01a01a07/Bei-Ankunft-Liebe-Die-Bradens-in-Trusty-CO-Band-2-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/9a02a04a04a08a00/Nachwuchs-f-r-die-Liebe-Die-Bradens-in-Weston-CO-8-German-Edition-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/5a00a00a03a04a05/Rescued-by-Love-Love-in-Bloom-The-Ryders-Jake-Ryder-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a00a02a04/Claimed-by-Love-The-Ryders-2-Love-in-Bloom-39-by-Melissa-Foster.pdf
    • http://muicuiu.dumb1.com/2a00a02a06a04a06/Love-at-Last-A-Braden-Flirt-Love-in-Bloom-The-Bradens-at-Pe

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