Malicious PDF — malware analysis report

Static analysis result for SHA-256 9d166babb5e9c61b…

MALICIOUS

PDF

15.7 KB Created: 2019-05-03 05:59:14 +01:00 Authoring application: mPDF 5.7
MD5: b006fd0409a8d07ff03cf0c980b9ac06 SHA-1: e7fd8951fdc1dbb79026878e82a16da7859d3e6c SHA-256: 9d166babb5e9c61b7547dbd19efc865d9f9a4d9e36fb0d34cbc2d7c1f22aa7df
90 Risk Score

Malware Insights

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

The PDF document contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves are currently marked as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO spam or to distribute further malicious content. The ML_NYX_PDF_MALICIOUS heuristic also strongly indicates maliciousness. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/4a07a00a00a06a09/Beautiful-Beloved-Beautiful-Bastard-3-6-by-Christina-Lauren.pdf
    • http://muicuiu.dumb1.com/3a04a07a01a01/Beautiful-Stranger-Beautiful-Bastard-2-by-Christina-Lauren.pdf
    • http://muicuiu.dumb1.com/2a06a06a04a00a03/Beautiful-Secret-Beautiful-Bastard-4-by-Christina-Lauren.pdf
    • http://muicuiu.dumb1.com/2a06a06a06a02a08/Beautiful-Beautiful-Bastard-5-by-Christina-Lauren.pdf
    • http://muicuiu.dumb1.com/6a07a09a06a03a07/Beautiful-Beloved-by-Christina-Lauren.pdf
    • http://muicuiu.dumb1.com/1a01a07a09a06a05/The-Beautiful-West-amp-the-Beloved-of-God-by-Michael-Springate.pdf
    • http://muicuiu.dumb1.com/5a06a02a05a02/A-Beautiful-Mind-A-Beautiful-Life-The-Bubz-Guide-to-Being-Unstoppable-by-Lindy-Tsang.pdf
    • http://muicuiu.dumb1.com/9a05a03a09/Una-Bella-Anima-A-Beautiful-Soul-Beautiful-Hearts-2-5-by-Emma-Scott.pdf
    • http://muicuiu.dumb1.com/3a00a05a09a04a04/Soccer-and-Philosophy-Beautiful-Thoughts-on-the-Beautiful-Game-by-Ted-Richards.pdf
    • http://muicuiu.dumb1.com/4a03a03a06a01a09/Beautiful-People-with-Beautiful-Feelings-by-Donny-Miller.pdf
    • http://muicuiu.dumb1.com/3a00a06a02a05a07/Beautiful-Disaster-Beautiful-1-by-Jamie-McGuire.pdf
    • http://muicuiu.dumb1.com/6a02a01a08a00a06/Beautiful-Disaster-Beautiful-1-by-Jamie-McGuire.pdf
    • http://muicuiu.dumb1.com/9a08a04a02a07a06/Beautiful-Mess-Beautiful-3-by-Paige-Laurens.pdf
    • http://muicuiu.dumb1.com/1a06a03a02a02a04/Beautiful-Disaster-Beautiful-1-by-Jamie-McGuire.pdf
    • http://muicuiu.dumb1.com/3a08a06a03a08/Brutally-Beautiful-Beautiful-1-by-Christine-Zolendz.pdf
    • http://muicuiu.dumb1.com/2a01a01a05a03a08/A-Beautiful-Idea-Beautiful-1-by-Emily-McKee.pdf
    • http://muicuiu.dumb1.com/1a04a07a04a02a07/A-Beautiful-Forever-Beautiful-2-by-Lilliana-Anderson.pdf
    • http://muicuiu.dumb1.com/2a00a06a05a01a01/A-Beautiful-Wedding-Beautiful-2-5-by-Jamie-McGuire.pdf
    • http://muicuiu.dumb1.com/2a00a01a03a02a09/Beautiful-Chaos-Beautiful-1-5-by-Chandin-Whitten.pdf
    • http://muicuiu.dumb1.com/8a02a04a05a01/Beautiful-Disaster-Beautiful-1-by-Jamie-McGuire.pdf
    • http://muicuiu.dumb1.com/3a00a05a09a04a04/Soccer-and-Philosophy-Beautiful-Thoughts-on-the-Beau

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