Malicious PDF — malware analysis report

Static analysis result for SHA-256 8f176b3097a73091…

MALICIOUS

PDF

13.5 KB Created: 2019-04-30 05:21:12 +01:00 Authoring application: mPDF 5.7
MD5: 19aec90447ab49adfedaac5e0a478163 SHA-1: cd81ae17235b6dad79c5ba18e4971b1a55895747 SHA-256: 8f176b3097a73091539b8d6d7ad383a93207a9f188a7b44c92c19044122b207c
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 distribute malicious content. The ML classifier also flagged this PDF as malicious. While the specific intent of the links is unclear due to their benign reputation, the sheer volume and the heuristic firing suggest a malicious purpose, likely to redirect users to harmful sites or to artificially inflate search engine rankings for malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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/1090099095093093/Oasis-by-Jim-Harrison.pdf
    • http://loaminoo.linkpc.net/6096096098097093/Oasis-by-Jim-Harrison.pdf
    • http://loaminoo.linkpc.net/6096096097099093/Oasis-The-Truth-My-Life-as-Oasis-s-Drummer-by-Tony-McCarroll.pdf
    • http://loaminoo.linkpc.net/6096096095092093/L-Islam-la-crois-e-des-chemins-Tradition-r-forme-djihad-OASIS-n-21-juin-2015-by-Fondazione-Internazionale-Oasis.pdf
    • http://loaminoo.linkpc.net/6096096097099094/Stranded-in-Oasis-Oasis-1-by-Verna-Clay.pdf
    • http://loaminoo.linkpc.net/6096097090091099/Oasis-What-s-the-Story-by-Ian-Robertson.pdf
    • http://loaminoo.linkpc.net/6096096098098094/This-Is-The-Oasis-by-Miriam-Moss.pdf
    • http://loaminoo.linkpc.net/6096097090092091/Oasis-by-Timothy-Simone.pdf
    • http://loaminoo.linkpc.net/6096096099099092/Oasis-by-Imari-Jade.pdf
    • http://loaminoo.linkpc.net/6096096099098093/The-Oasis-by-Brandon-Meyers.pdf
    • http://loaminoo.linkpc.net/1091097090092096098/Oasis-Beckoning-by-Jacqueline-Brocker.pdf
    • http://loaminoo.linkpc.net/3099094097093090/Can-t-Go-Without-Oasis-Waterfall-2-by-Angelisa-Stone.pdf
    • http://loaminoo.linkpc.net/6096097090091093/Oasis-of-my-Heart-by-Tara-S-Nichols.pdf
    • http://loaminoo.linkpc.net/6091096094093098/Deadly-Oasis-by-Karen-Liberatore.pdf
    • http://loaminoo.linkpc.net/2090093093095094/The-Dark-Oasis-by-Margaret-Pargeter.pdf
    • http://loaminoo.linkpc.net/1090091093093097096/OASIS---Die-Entdeckung-by-Rainer-Findeisen.pdf
    • http://loaminoo.linkpc.net/2090099091092091/Oasis-The-Last-Humans-1-by-Dima-Zales.pdf
    • http://loaminoo.linkpc.net/6096096098097096/Dark-Oasis-by-Helen-Brooks.pdf
    • http://loaminoo.linkpc.net/6096096098092097/Getting-High-The-Adventures-of-Oasis-by-Paolo-Hewitt.pdf
    • http://loaminoo.linkpc.net/6096096099098092/Oasis-On-the-Road-to-Perdition-1-by-Max-Allan-Collins.pdf
    • http://loaminoo.linkpc.net/609609709009109

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