Malicious PDF — malware analysis report

Static analysis result for SHA-256 68b6d096b7d80241…

MALICIOUS

PDF

22.3 KB Created: 2019-05-02 02:28:59 +01:00 Authoring application: mPDF 5.7
MD5: 7076e8b3a9fca18261f81ef9773bac60 SHA-1: 4d3dc93ef007f6c2e2e1a3fceda2186e6259cb1b SHA-256: 68b6d096b7d802415147547eaf4b7010bebbba75c9c0e63ebfb5ea4762a58026
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, identified by the PDF_SEO_LINK_FARM heuristic, suggesting a tactic to manipulate search engine results or distribute content. While the URLs themselves are marked as benign, the sheer volume and the ML classifier's high confidence indicate a malicious intent. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9935

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://loaminoo.linkpc.net/8091097092095092/The-Ultimate-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-1-5-short-story-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/4097099093092093/The-Ultimate-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-to-the-Galaxy-1-5-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/3092092093098/The-Ultimate-Hitchhiker-s-Guide-to-the-Galaxy-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/1090099090090097095/The-Lost-Chapters-of-the-Hitchhikers-Guide-to-the-Galaxy-Hitchhiker-s-Guide-to-the-Galaxy-1-1-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/8097091094096096/The-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-to-the-Galaxy-1-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/3092090097094/The-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-to-the-Galaxy-1-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/1091092099097090090/Hitchhiker-s-Guide-to-the-Galaxy-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/5098095093092091/The-Hitchhiker-s-Guide-to-the-Galaxy-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/4097097097092099/The-Hitchhiker-s-Guide-to-the-Galaxy-Hitchhiker-s-Guide-1-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/1090091097097095094/Douglas-Adams-5-Books-set-The-Hitchhiker-s-Guide-to-the-Galaxy-The-Restaurant-at-the-End-of-the-Universe-Life-The-Universe-and-Everything-So-Long-and-Thanks-for-all-the-Fish-and-Mostly-Harmless-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/4097097097093092/The-Restaurant-at-the-End-of-the-Universe-The-Hitchhiker-s-Guide-to-the-Galaxy-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/9094093096092/The-Restaurant-at-the-End-of-the-Universe-Hitchhiker-s-Guide-to-the-Galaxy-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/1096099094095090/The-Restaurant-at-the-End-of-the-Universe-Hitchhiker-s-Guide-to-the-Galaxy-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/8096093092091098/Macht-s-gut-und-danke-f-r-den-Fisch-Hitchhiker-s-Guide-to-the-Galaxy-4-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/7096093095099091/----Hitchhiker-s-Guide-to-the-Galaxy-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/3095091094096099/Life-the-Universe-and-Everything-Hitchhiker-s-Guide-3-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/6091091097095/The-Restaurant-at-the-End-of-the-Universe-Hitchhiker-s-Guide-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/3097097092099094/Life-the-Universe-and-Everything-Hitchhiker-s-Guide-3-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/4098090093096091/The-Restaurant-at-the-End-of-the-Universe-Hitchhiker-s-Guide-2-by-Douglas-Adams.pdf
    • http://loaminoo.linkpc.net/2096090093090090/Life-the-Universe-and-Everything-Hitchhiker-s-Guide-3-by-Douglas-Adams.pdf

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