Malicious PDF — malware analysis report

Static analysis result for SHA-256 378ac329dfd31b72…

MALICIOUS

PDF

15.3 KB Created: 2019-04-30 03:10:14 +01:00 Authoring application: mPDF 5.7
MD5: 5e89623f30c2ff9beebf37fd0d5b4b84 SHA-1: 10fd142b4d43349828e08721093a426dae8029fa SHA-256: 378ac329dfd31b72c7d64879fc01a270ec7ac6880b513ac05546cf6c2993254c
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged the document as malicious. The embedded links likely serve as a lure to direct users to external malicious content, potentially for phishing or malware distribution. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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/3a00a00a05a08a09/Wicked-Fascination-St-John-Duras-2-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/3a08a03a09a06a07/Touch-of-Sin-St-John-Duras-4-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/3a08a03a04a08a04/Sinful-St-John-Duras-1-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/5a09a07a06a04/Sinful-Dreams-St-John-Duras-1-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/3a08a03a07a08a02/Venus-Laid-Bare-St-John-Duras-5-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/4a06a09a02a08a05/Practically-Wicked-by-Alissa-Johnson.pdf
    • http://muicuiu.dumb1.com/2a04a03a09a02a09/Wicked-City-Zephyr-Hollis-2-by-Alaya-Dawn-Johnson.pdf
    • http://muicuiu.dumb1.com/3a01a05a00a00a06/A-Dawn-Most-Wicked-Something-Strange-and-Deadly-1-5-by-Susan-Dennard.pdf
    • http://muicuiu.dumb1.com/3a08a03a04a08a07/Pure-Sin-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/2a09a06a08a09a02/Hot-Pink-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/2a07a03a04a03a08/The-Infernals-A-Samuel-Johnson-Tale-Samuel-Johnson-vs-the-Devil-2-by-John-Connolly.pdf
    • http://muicuiu.dumb1.com/6a07a01a00a05a08/Blonde-Heat-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/4a05a07a02a09a07/Outlaw-Carre-1-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/3a00a07a02a05a01/Secrets-amp-Sins-Carre-1-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/5a00a04a02a05a05/Randy-Johnson-by-Susan-Muaddi-Darraj.pdf
    • http://muicuiu.dumb1.com/3a01a04a03a09a01/Silver-Flame-Braddock-Black-2-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/6a02a01a08a02/A-Seductive-Flame-Braddock-Black-2-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/3a08a01a06a02a09/Seductive-as-Flame-Bruton-Street-Bookstore-4-by-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/2a02a03a09a02a07/Bright-The-House-on-Glass-Beach-2-by-Laura-Susan-Johnson.pdf
    • http://muicuiu.dumb1.com/9a06a08a00a05a00/Truman-Capote-the-Fascination-of-Gothic-by-Diana-Baumli.pdf

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