Malicious PDF — malware analysis report

Static analysis result for SHA-256 baa7d4d89fe3e254…

MALICIOUS

PDF

14.1 KB Created: 2019-05-02 11:15:16 +01:00 Authoring application: mPDF 5.7
MD5: b4c1f1c48d999844fea9d6a32f65d6bf SHA-1: 008876c2ccc38ec625e69b632694afab3f9884e7 SHA-256: baa7d4d89fe3e2543cd53913e00a3f6265c337adb43ccbb30947761ff729212b
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. While the URLs themselves are currently marked as benign, the overall structure and heuristic firings strongly suggest a malicious intent to redirect users to potentially harmful content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9200

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/2a03a03a00a01a01/Kitty-Kitty-Bad-Kitty-2-by-Michele-Jaffe.pdf
    • http://muicuiu.dumb1.com/2a09a06a06a07a06/Bad-Kitty-Bad-Kitty-1-by-Michele-Jaffe.pdf
    • http://muicuiu.dumb1.com/4a00a09a09a01/Bad-Kitty-Bad-Kitty-1-by-Michele-Jaffe.pdf
    • http://muicuiu.dumb1.com/5a04a00a09a00/Kitty-s-House-of-Horrors-Kitty-Norville-7-by-Carrie-Vaughn.pdf
    • http://muicuiu.dumb1.com/3a09a09a00a04a05/Kitty-and-the-Silver-Bullet-Kitty-Norville-4-by-Carrie-Vaughn.pdf
    • http://muicuiu.dumb1.com/2a03a04a05a02a08/Kitty-s-Greatest-Hits-Kitty-Norville-by-Carrie-Vaughn.pdf
    • http://muicuiu.dumb1.com/2a00a05a07a03a01/Kitty-s-House-of-Horrors-Kitty-Norville-7-by-Carrie-Vaughn.pdf
    • http://muicuiu.dumb1.com/4a00a00a00a07a00/Kitty-Raises-Hell-Kitty-Norville-6-by-Carrie-Vaughn.pdf
    • http://muicuiu.dumb1.com/3a09a07a01a01a08/Kitty-Takes-a-Holiday-Kitty-Norville-3-by-Carrie-Vaughn.pdf
    • http://muicuiu.dumb1.com/1a03a01a04a00a02/Kitty-s-Big-Trouble-Kitty-Norville-9-by-Carrie-Vaughn.pdf
    • http://muicuiu.dumb1.com/1a02a01a04a08a06/Kitty-Goes-to-War-Kitty-Norville-8-by-Carrie-Vaughn.pdf
    • http://muicuiu.dumb1.com/3a01a01a05a01a03/The-Hello-Kitty-Baking-Book-Recipes-for-Cookies-Cupcakes-and-More-by-Michele-Chen-Chock.pdf
    • http://muicuiu.dumb1.com/2a09a09a04a01a06/Big-Sky-by-Kitty-Thomas.pdf
    • http://muicuiu.dumb1.com/6a07a08a05a09/Pop-by-Kitty-Aldridge.pdf
    • http://muicuiu.dumb1.com/7a04a00a01a01a07/Big-Cat-Little-Kitty-by-Scotti-Cohn.pdf
    • http://muicuiu.dumb1.com/1a04a02a06a04a00/Ice-Trap-by-Kitty-Sewell.pdf
    • http://muicuiu.dumb1.com/3a01a08a04a01a06/All-about-My-Kitty-and-Me-by-Susan-Christopher.pdf
    • http://muicuiu.dumb1.com/3a01a04a02a03a01/Kitty-Goes-to-War-by-Carrie-Vaughn.pdf
    • http://muicuiu.dumb1.com/2a03a01a07a03a03/Kitty-Goes-to-War-by-Carrie-Vaughn.pdf
    • http://muicuiu.dumb1.com/3a00a02a03a07/Kitty-Claus-by-T-L-Needham.pdf
    • http://muicuiu.dumb1.com/1a02a01a04a08a06/

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