Malicious PDF — malware analysis report

Static analysis result for SHA-256 3a7d93efc6d91858…

MALICIOUS

PDF

18.7 KB Created: 2019-04-30 04:31:46 +01:00 Authoring application: mPDF 5.7
MD5: 9a14c603002a6da434a7392fc90e85c8 SHA-1: 1774ec079b86ecf186ef68926c12db36586d5330 SHA-256: 3a7d93efc6d91858c71c7f7ac740d92ddf67c2b8d0ec51e73005d5f5ee01956f
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, identified as a PDF_SEO_LINK_FARM heuristic. While the specific URLs extracted appear benign, the sheer volume and structure suggest a malicious intent, likely for SEO manipulation or to redirect users to malicious sites. The ML classifier also flagged this PDF with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/2a04a09a05a04a08/The-Heart-of-Reno-Gabrini-Romancing-the-Mob-Boss-6-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/4a05a06a06a01a00/Reno-Gabrini-A-Man-in-Full-Romancing-the-Mob-Boss-8-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/4a05a06a09a06a00/Sal-Gabrini-4-I-ll-Take-You-There-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/4a05a06a08a09a01/Reno-and-Trina-In-the-Shadows-of-Love-Romancing-The-Mob-Boss-Series-Book-12-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/3a00a06a08a05a08/Big-Daddy-Sinatra-3-The-Best-of-My-Love-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/1a00a09a09a05a09a01/Mick-Sinatra-7-Breaking-My-Heart-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/8a02a03a06a00a03/His-Forbidden-Love-Alex-Drakos-1-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/1a00a08a07a09a03a08/Dutch-and-Gina-After-the-Fall-The-President-s-Girlfriend-4-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/8a02a03a06a00a06/Alex-Drakos-His-Dangerous-Affair-The-Alex-Drakos-Romantic-Suspense-Series-Book-4-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/8a02a03a06a00a05/Alex-Drakos-3-What-They-Did-For-Love-The-Alex-Drakos-Romantic-Suspense-Series-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/4a05a06a09a05a05/Mick-Sinatra-3-His-Lady-His-Children-and-Sal-The-Mick-Sinatra-Series-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/1a00a08a07a08a05a01/Dutch-and-Gina-The-President-s-Girlfriend-The-President-s-Girlfriend-1-by-Mallory-Monroe.pdf
    • http://muicuiu.dumb1.com/9a06a04a05a00a05/Mallory-s-Super-Sleepover-Mallory-McDonald-16-by-Laurie-B-Friedman.pdf
    • http://muicuiu.dumb1.com/9a06a04a04a04a09/Happy-Birthday-Mallory-Mallory-McDonald-4-by-Laurie-B-Friedman.pdf
    • http://muicuiu.dumb1.com/9a06a04a04a04a08/Mallory-in-the-Spotlight-Mallory-McDonald-14-by-Laurie-B-Friedman.pdf
    • http://muicuiu.dumb1.com/1a07a01a03a03/Mallory-s-Oracle-Kathleen-Mallory-1-by-Carol-O-39-Connell.pdf
    • http://muicuiu.dumb1.com/9a06a04a03a01a05/Mallory-McDonald-Super-Snoop-Mallory-McDonald-18-by-Laurie-B-Friedman.pdf
    • http://muicuiu.dumb1.com/5a03a09a01a02a08/Romancing-the-Singer-by-Cami-Checketts.pdf
    • http://muicuiu.dumb1.com/9a03a02a02a00a07/Romancing-Rudy-Raindear-by-Mary-Leo.pdf
    • http://muicuiu.dumb1.com/3a04a08a07a00a02/Romancing-Austin-by-Riley-Bancroft.pdf
    • http://muicuiu.dumb1.com/8a02a03a06a00a06/Alex-Drakos-His-Dangerous-Affa

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