Malicious PDF — malware analysis report

Static analysis result for SHA-256 e17c2af680e7d414…

MALICIOUS

PDF

16.3 KB Created: 2019-05-02 00:56:11 +01:00 Authoring application: mPDF 5.7
MD5: f352c7925130d4bcac30d486474e4098 SHA-1: df5a1781b3998edb0590fca27872763c1ecb908f SHA-256: e17c2af680e7d41459d6cdc8c700b0654acce4d2d2216c3a56b58ea6a877a669
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded links to external websites, as indicated by the PDF_SEO_LINK_FARM heuristic. While the specific content of the linked PDFs appears benign, the sheer volume and structure suggest a malicious intent, likely SEO poisoning or a distribution point for further malicious content. The ML_NYX_PDF_MALICIOUS heuristic also flagged the document with high confidence.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9811

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/6a09a08a06a07a08/The-Liar-s-Room-by-Simon-Lelic.pdf
    • http://muicuiu.dumb1.com/2a07a09a02a01a08/The-New-Neighbors-by-Simon-Lelic.pdf
    • http://muicuiu.dumb1.com/8a03a02a00a09/A-Thousand-Cuts-by-Simon-Lelic.pdf
    • http://muicuiu.dumb1.com/3a09a03a01a02a05/Liar-Liar-The-Theory-Practice-and-Destructive-Properties-of-Deception-Liar-Liar-1-by-Gary-Paulsen.pdf
    • http://muicuiu.dumb1.com/3a00a01a07a02a05/Liar-Liar-Panties-on-Fire-A-Stepbrother-Romance-Novella-by-Bella-Bordeaux.pdf
    • http://muicuiu.dumb1.com/9a09a02a07a04a07/Liar-Liar-Pants-on-Fire-Donald-Trump-s-War-with-the-Media-by-D-Farang.pdf
    • http://muicuiu.dumb1.com/8a08a00a05a05a04/Liar-Liar-Detective-Harriet-Blue-3-by-James-Patterson.pdf
    • http://muicuiu.dumb1.com/3a00a00a08a04a01/Liar-Liar-Cat-DeLuca-Mysteries-1-by-K-J-Larsen.pdf
    • http://muicuiu.dumb1.com/3a06a04a09a06a08/Big-Fat-Liar-Book-2-Big-Fat-Liar-2-by-Cookie-Moretti.pdf
    • http://muicuiu.dumb1.com/1a05a09a02a05a09/Liar-Liar-Cat-DeLuca-Mysteries-1-by-K-J-Larsen.pdf
    • http://muicuiu.dumb1.com/8a08a00a07a09a00/Liar-Liar-2-by-Lia-Fairchild.pdf
    • http://muicuiu.dumb1.com/8a07a04a01a05/Simon-s-Cat-in-Kitten-Chaos-Simon-s-Cat-3-by-Simon-Tofield.pdf
    • http://muicuiu.dumb1.com/1a01a06a06a06a01a02/One-Room-Schools-Stories-from-the-Days-of-1-Room-1-Teacher-8-Grades-by-Susan-Apps-Bodilly.pdf
    • http://muicuiu.dumb1.com/3a01a07a06a06a05/Simon-s-Cat-vs-the-World-Simon-s-Cat-4-by-Simon-Tofield.pdf
    • http://muicuiu.dumb1.com/2a08a03a09a04a02/The-Dead-Room-The-Dead-Room-Trilogy-1-by-Stephanie-Erickson.pdf
    • http://muicuiu.dumb1.com/8a08a00a06a00a07/Once-a-Liar-by-A-F-Brady.pdf
    • http://muicuiu.dumb1.com/3a01a08a00a02a05/Simon-s-Cat-Off-to-the-Vet-and-Other-Cat-astrophes-by-Simon-Tofield.pdf
    • http://muicuiu.dumb1.com/4a05a03a01a01a05/The-120-Days-of-Simon-by-Simon-G-rdenfors.pdf
    • http://muicuiu.dumb1.com/3a04a05a04a00a00/Compulsive-Liar-1-by-Lia-Fairchild.pdf
    • http://muicuiu.dumb1.com/2a08a06a06a03a08/Liar-of-Kudzu-by-Bob-Schooley.pdf
    • http://muicuiu.dumb1.com/8a08a00a07a09a00/Liar-Liar-2-by-Lia-F

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