Malicious PDF — malware analysis report

Static analysis result for SHA-256 40ee36c1a0f5edc6…

MALICIOUS

PDF

19.2 KB Created: 2019-04-29 23:29:21 +01:00 Authoring application: mPDF 5.7
MD5: bbff9e9208c22f39e1ef03bae376ef42 SHA-1: c6f90971cedc40b4fc184911d67c8d90cc066fdb SHA-256: 40ee36c1a0f5edc656c07e8dd0d8e76d3bfe5b80033808952839ac89eaae9fa9
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 PDF files, as indicated by the PDF_SEO_LINK_FARM heuristic. While the URLs themselves are marked as benign, the sheer volume and structure suggest a malicious intent, possibly for SEO manipulation or to distribute further malicious content. The ML classifier also flagged this PDF as malicious with high confidence. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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/9098095092096099/The-Woman-in-White-by-Wilkie-Collins---Delphi-Classics-Illustrated-Delphi-Parts-Edition-Wilkie-Collins-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/8095094093099090/The-Woman-in-White-In-One-Moment-Every-Drop-of-Blood-in-My-Body-Was-Brought-to-a-Stop-There-as-If-It-Had-That-Moment-Sprung-Out-of-the-Earth-Stood-the-Figure-of-a-Solitary-Woman-Dressed-from-Head-to-Foot-in-White-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/3098097095096092/The-Woman-in-White-ebook-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/5095099098095090/The-Woman-in-White-Annotated-Novel-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/5098098091091098/The-Woman-in-White-The-Original-Classics---Illustrated-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/5098093096093095/The-Woman-in-White-Pilgrim-Classics-Annotated-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/5097097092094094/The-woman-in-white-A-novel-1860-original-text-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/8090093090092093/The-Woman-in-White-Color-Illustrated-Formatted-for-E-Readers-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/8098095098093090/The-woman-in-white---A-romantic-mysterious-story-Annotated-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/9098099096093096/Die-Frau-in-Wei-Krimi-Klassiker-Gesamtausgabe-in-4-B-nden-The-Woman-in-White-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/5098092097096093/Racism-is-caused-by-the-white-woman-The-beauty-of-the-white-woman-is-the-problem-by-Jerry-Henrie.pdf
    • http://loaminoo.linkpc.net/3099097097099095/No-Name-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/1091097094094096091/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/3095092098092095/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/2095091093091097/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/1091098099095097094/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/3095098096096094/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/3095091096097090/After-Dark-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/1090098094096098091/Miss-or-Mrs-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/8093092097093/Armadale-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/5097097092094094/

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