Malicious PDF — malware analysis report

Static analysis result for SHA-256 27ece804bd2b01a4…

MALICIOUS

PDF

13.7 KB Created: 2019-05-07 08:40:22 +01:00 Authoring application: mPDF 5.7
MD5: a2acd1e27b5e5bd6012fef081dcc0d78 SHA-1: 1f98b4625cd37ccfba19f41ddc8421825dd3716b SHA-256: 27ece804bd2b01a4c1e8f63fd09832472f748a6a64d47031a9ded81f4357be70
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF document contains a large number of embedded links to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this document as malicious. The primary attack pattern involves directing users to a link farm hosted on loaminoo.linkpc.net.

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/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/1091098098095097/Bill-Moss-Fabric-Artist-and-Designer-by-Marilyn-Moss.pdf
    • http://loaminoo.linkpc.net/1090097093090098094/Miriam-B-Loo-s-Menu-Planner-Cookbook-by-Miriam-B-Loo.pdf
    • http://loaminoo.linkpc.net/1090099095093093/Oasis-by-Jim-Harrison.pdf
    • http://loaminoo.linkpc.net/6096096098097093/Oasis-by-Jim-Harrison.pdf
    • http://loaminoo.linkpc.net/6096097090091099/Oasis-What-s-the-Story-by-Ian-Robertson.pdf
    • http://loaminoo.linkpc.net/6096097090092091/Oasis-by-Timothy-Simone.pdf
    • http://loaminoo.linkpc.net/6096096099098093/The-Oasis-by-Brandon-Meyers.pdf
    • http://loaminoo.linkpc.net/6096096099099092/Oasis-by-Imari-Jade.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/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/2090099091092091/Oasis-The-Last-Humans-1-by-Dima-Zales.pdf
    • http://loaminoo.linkpc.net/1091097090092096098/Oasis-Beckoning-by-Jacqueline-Brocker.pdf
    • http://loaminoo.linkpc.net/6091096094093098/Deadly-Oasis-by-Karen-Liberatore.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

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