Malicious PDF — malware analysis report

Static analysis result for SHA-256 06e679a906c654e8…

MALICIOUS

PDF

19.3 KB Created: 2019-04-30 06:21:25 +01:00 Authoring application: mPDF 5.7
MD5: a6b1670404592adda0df18e47400d0cb SHA-1: 27a60b8653101300187fc7aad4fd2530ed475e33 SHA-256: 06e679a906c654e8c8286dcd0beb553db820e105028e0708b65802edbc812a81
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. While the document body is heavily obfuscated, the presence of numerous external links suggests an attempt to manipulate search engine results or redirect users to potentially malicious sites. The ML_NYX_PDF_MALICIOUS heuristic further supports the malicious nature of the file. No scripts were extracted, and the document body did not provide clear instructions.

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/5092095094097/Columbus-Silver-Bear-2-by-Derek-Haas.pdf
    • http://loaminoo.linkpc.net/1091090094092092096/The-Life-of-Christopher-Columbus-With-appendices-and-The-quot-Colombus-Map-quot-drawn-circa-1490-in-the-workshop-of-Bartolomeo-and-Christopher-Columbus-in-Lisbon-Columbus-From-His-Own-Letters-and-Journals-by-Edward-Everett-Hale.pdf
    • http://loaminoo.linkpc.net/1091099095095091098/Columbus-Flight-Project-Columbus-1-by-J-C-Rainier.pdf
    • http://loaminoo.linkpc.net/5099094099092099/Eddy-amp-Briar-Bear-Hugs-Silver-s-Studs-11-by-Lynn-Stark.pdf
    • http://loaminoo.linkpc.net/2093097093095099/The-Scalpel-and-the-Silver-Bear-The-First-Navajo-Woman-Surgeon-Combines-Western-Medicine-and-Traditional-Healing-by-Lori-Arviso-Alvord.pdf
    • http://loaminoo.linkpc.net/1098094096094097/Black-Bear-Down-Return-To-Bear-Bluff-3-by-Harmony-Raines.pdf
    • http://loaminoo.linkpc.net/1098094096094098/His-Bear-s-Necessity-Return-To-Bear-Bluff-2-by-Harmony-Raines.pdf
    • http://loaminoo.linkpc.net/4098090098091097/Mr-Bear-Says-I-Love-You-Mr-Bear-Says-Board-Books-by-Debi-Gliori.pdf
    • http://loaminoo.linkpc.net/1090095095098095096/Bear-and-Bear-Alike-Blackwood-Brothers-3-by-Marie-Mason.pdf
    • http://loaminoo.linkpc.net/2095093098098099/The-Little-Bear-and-the-Big-Bear-A-story-designed-to-help-teach-children-how-to-deal-with-frustration-anxiety-and-anger-by-Monica-Dumont.pdf
    • http://loaminoo.linkpc.net/2097097092099/A-Visitor-for-Bear-Bear-and-Mouse-1-by-Bonny-Becker.pdf
    • http://loaminoo.linkpc.net/6092092090098/The-Bear-Who-Wanted-to-Be-a-Bear-by-J-rg-Steiner.pdf
    • http://loaminoo.linkpc.net/8093097095096092/Tobie-and-Bear-Bear-by-Mary-L-Lapalm.pdf
    • http://loaminoo.linkpc.net/9093091095091099/Bear-in-Mind-The-Alpha-Bear-1-by-Kit-Helix.pdf
    • http://loaminoo.linkpc.net/2097097094092094/SILVER-The-Lost-amp-Damned-Silver-2-by-Keira-Michelle-Telford.pdf
    • http://loaminoo.linkpc.net/6091090091099093/Silver-Lining-Silver-Cove-1-by-Jill-Sanders.pdf
    • http://loaminoo.linkpc.net/2097097094092091/SILVER-Entropy-Silver-3-by-Keira-Michelle-Telford.pdf
    • http://loaminoo.linkpc.net/1091098090095091099/Big-Carp-Hunters---Derek-Rance-by-Derek-Rance.pdf
    • http://loaminoo.linkpc.net/4093097090093093/Derek-Acorah-Extreme-Psychic-by-Derek-Acorah.pdf
    • http://loaminoo.linkpc.net/1093093095092/Chase-by-Jessie-Haas.pdf

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