Malicious PDF — malware analysis report

Static analysis result for SHA-256 c59cc2f3a969b825…

MALICIOUS

PDF

16.0 KB Created: 2019-04-30 02:36:22 +01:00 Authoring application: mPDF 5.7
MD5: 9e0905c966c058b1c2c41d394bc57aed SHA-1: 1fd2a7ec9e80e5363b924392c17f4fcf5803bccc SHA-256: c59cc2f3a969b825b1d67e8310402ffd0c2649a111e43c54bf399586a2512dac
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded URLs, identified as a link farm. While the specific URLs extracted appear to point to public domain books, the heuristic 'PDF_SEO_LINK_FARM' indicates a malicious intent, likely for SEO manipulation or to serve as a distribution point for further malicious content. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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/9a09a03a07a01a01/The-Complete-Works-of-Nathaniel-Hawthorne-Novels-Short-Stories-Poetry-Essays-Letters-and-Memoirs-Illustrated-Edition-The-Scarlet-Letter-with-its-Romance-Tanglewood-Tales-Birthmark-Ghost-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/9a05a07a00a04a03/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/1a00a02a00a08a07a02/The-House-of-the-Seven-Gables-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/6a09a00a05a05a06/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/9a03a00a02a07a09/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/1a09a08a01a09a04/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/1a00a04a07a01a04a03/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/5a02a03a07a03a01/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/4a06a00a03a04a07/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/8a02a09a03a07a04/The-House-of-the-Seven-Gables-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/1a01a09a04a03a05a07/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/3a02a05a03a08a01/Tales-and-Sketches-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/5a03a01a00a07a07/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/1a00a08a03a07a05a04/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/8a04a05a06a06a02/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/8a00a00a08a00/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/9a07a05a07a05/The-Artist-of-the-Beautiful-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/3a04a07a01a03/The-House-of-the-Seven-Gables-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/1a09a02a02a06a09/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf
    • http://muicuiu.dumb1.com/7a07a06a05a04a01/The-Scarlet-Letter-by-Nathaniel-Hawthorne.pdf

Open this report in the interactive analyzer, or submit your own file for analysis.