Malicious PDF — malware analysis report

Static analysis result for SHA-256 7a9e7c2b28e6ad7b…

MALICIOUS

PDF

19.9 KB Created: 2019-05-09 00:19:52 +01:00 Authoring application: mPDF 5.7
MD5: 0664d40e3a24f75aab9ca97ca4d742e2 SHA-1: ebfba99e5f1238490787aff81650acfd3ebc8000 SHA-256: 7a9e7c2b28e6ad7bbf0f934d471b87605f5131627bd6bb0d7faa8bc3f5880792
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF file was flagged by a machine learning classifier as malicious and contains a large number of embedded external links. The heuristic PDF_SEO_LINK_FARM indicates a mass external PDF link farm, with the first URL being http://muicuiu.dumb1.com/7a06a04a08a02a06/MacLaren-s-Men-by-Robert-W-Marsh.pdf. This suggests the document's primary purpose is to redirect users to a large number of external resources, potentially for SEO manipulation or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9942

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/7a06a04a08a02a06/MacLaren-s-Men-by-Robert-W-Marsh.pdf
    • http://muicuiu.dumb1.com/7a06a04a08a02a02/MacLaren-On-The-Gospels-Alexander-MacLaren-s-Exposition-Of-Holy-Scripture-by-Alexander-MacLaren.pdf
    • http://muicuiu.dumb1.com/7a06a04a08a03a00/MacLaren-The-Origins-of-the-Clan-MacLaren-and-Their-Place-in-History-Scottish-Clan-Mini-Book-by-George-Forbes.pdf
    • http://muicuiu.dumb1.com/7a06a04a07a06a03/MacLaren-s-Commentary-by-Alexander-MacLaren.pdf
    • http://muicuiu.dumb1.com/7a06a04a06a02a06/Julian-MacLaren-Ross-Collected-Memoirs-by-Julian-Maclaren-Ross.pdf
    • http://muicuiu.dumb1.com/7a06a04a08a03a05/Works-of-Alexander-Maclaren-by-Alexander-MacLaren.pdf
    • http://muicuiu.dumb1.com/7a06a04a06a09a00/Threads-of-Joy-by-Sharlene-MacLaren.pdf
    • http://muicuiu.dumb1.com/7a06a04a09a01a08/Reverend-Rosie-Maclaren-Trilogy-by-Helen-Cannam.pdf
    • http://muicuiu.dumb1.com/7a06a04a09a00a02/Expositions-of-Holy-Scripture-St-Mark-by-Alexander-MacLaren.pdf
    • http://muicuiu.dumb1.com/7a06a04a08a03a09/Expositions-of-Holy-Scripture-St-Luke-by-Alexander-MacLaren.pdf
    • http://muicuiu.dumb1.com/7a06a04a08a03a06/Lifelines-Rosalind-Maclaren-series-by-Helen-Cannam.pdf
    • http://muicuiu.dumb1.com/7a06a04a06a03a04/Livvie-s-Song-River-of-Hope-1-by-Sharlene-MacLaren.pdf
    • http://muicuiu.dumb1.com/2a07a07a02a09a02/Hannah-Grace-Daughters-of-Jacob-Kane-1-by-Sharlene-MacLaren.pdf
    • http://muicuiu.dumb1.com/7a06a04a08a03a03/A-Scent-of-Roses-Rosalind-Maclaren-series-by-Helen-Cannam.pdf
    • http://muicuiu.dumb1.com/7a06a04a07a04a07/Expositions-of-Holy-Scripture-Second-Corinthians-Galatians-and-Philippians-Chapters-I-to-End-Colossians-Thessalonians-and-First-Timothy-by-Alexander-MacLaren.pdf
    • http://muicuiu.dumb1.com/7a06a04a09a00a06/Culturing-Wilderness-in-Jasper-National-Park-Studies-in-Two-Centuries-of-Human-History-in-the-Upper-Athabasca-River-Watershed-by-I-S-MacLaren.pdf
    • http://muicuiu.dumb1.com/7a06a04a09a00a09/Expositions-of-Holy-Scripture-Second-Kings-Chapters-VIII-to-End-and-Chronicles-Ezra-and-Nehemiah-Esther-Job-Proverbs-and-Ecclesiastes-by-Alexander-MacLaren.pdf
    • http://muicuiu.dumb1.com/2a05a09a05a01a00/Raw-Material-by-J-J-Marsh.pdf
    • http://muicuiu.dumb1.com/3a05a07a06a04a06/Untouchable-by-Ava-Marsh.pdf
    • http://muicuiu.dumb1.com/1a06a01a05a08a09/Other-Nations-by-T-Marsh.pdf

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