Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4d9e339364fe8d8…

MALICIOUS

PDF

13.1 KB Created: 2019-04-30 01:56:21 +01:00 Authoring application: mPDF 5.7
MD5: cb6399d37a34eff819d1971ee3939f28 SHA-1: 28537058ad900258d6aa2126b4920c8d2c2054c5 SHA-256: e4d9e339364fe8d8eb421cb32f16d46e3f1118bcee0366c106c03bfb990720af
90 Risk Score

Malware Insights

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

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious websites. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample, and the document body primarily consists of these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8891

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.lin
    • 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/3099097097099095/No-Name-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/8093092097093/Armadale-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/3095098096096094/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/2095093097094098/The-Law-and-the-Lady-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/2092095093097095/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/4094099099099099/The-Law-and-the-Lady-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/1091097094094096091/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/1091098099095097094/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/3095092098092095/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/3095091096097090/After-Dark-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/2095091093091097/The-Moonstone-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/1090098094096098091/Miss-or-Mrs-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/1090098094096098090/The-Legacy-of-Cain-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/7096098091093098/Fie-Fie-or-the-Fair-Physician-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/4091095097091091/The-Woman-in-White-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/7096092096091093/The-Woman-in-White-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/4098090095093098/The-Woman-in-White-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/8097092090095090/La-donna-in-bianco-by-Wilkie-Collins.pdf
    • http://loaminoo.linkpc.net/3093096097097098/The-Dead-Secret-by-Wilkie-Collins.pdf

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