Malicious PDF — malware analysis report

Static analysis result for SHA-256 2042aac1c324e345…

MALICIOUS

PDF

15.1 KB Created: 2019-05-02 07:39:30 +01:00 Authoring application: mPDF 5.7
MD5: ec9f16fa9dada84b9bd2ea7a5d601e01 SHA-1: 5dc8fcffad153d488853c7ddaa3a5fc20f1d07b8 SHA-256: 2042aac1c324e345524f810d2b7f3af24e1ae2fe156ab3f60d922175397f52a6
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to a single domain, loaminoo.linkpc.net, which is indicative of a link farm or redirection scheme. The ML classifier also flagged this PDF as malicious. The primary attack pattern observed is the attempt to direct users to external content, likely for further malicious activity or to host potentially unwanted files.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/4097098092093/In-the-Blood-The-Maker-s-Song-2-by-Adrian-Phoenix.pdf
    • http://loaminoo.linkpc.net/6094095090094/Etched-in-Bone-The-Maker-s-Song-4-by-Adrian-Phoenix.pdf
    • http://loaminoo.linkpc.net/6096092096097/On-Midnight-Wings-The-Maker-s-Song-5-by-Adrian-Phoenix.pdf
    • http://loaminoo.linkpc.net/1090090098097094097/Cut-and-Run-Phoenix-Code-1-2-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/4094093092096095/Hide-and-Seek-Phoenix-Code-3-4-by-Lara-Adrian.pdf
    • http://loaminoo.linkpc.net/1099099090090094/The-Song-of-the-Phoenix-by-Amy-Lemco.pdf
    • http://loaminoo.linkpc.net/5092099093095/The-Blood-Maker-and-the-Witch-s-Curse-by-Jaromy-Henry.pdf
    • http://loaminoo.linkpc.net/4092097095096096/A-Wolf-s-Song-by-Shannon-Phoenix.pdf
    • http://loaminoo.linkpc.net/4090094095095095/Blood-Song-Blood-2-by-Tamara-Rose-Blodgett.pdf
    • http://loaminoo.linkpc.net/4094099097096/Blood-Song-Blood-Singer-1-by-Cat-Adams.pdf
    • http://loaminoo.linkpc.net/9092092090099097/The-Adrian-Mole-Collection-The-Growing-Pains-of-Adrian-Mole-True-Confessions-of-Adrian-Albert-Mole-Adrian-Mole-The-Wilderness-by-Sue-Townsend.pdf
    • http://loaminoo.linkpc.net/1092097094098098/Milk-Blood-by-Adrian-Simon.pdf
    • http://loaminoo.linkpc.net/1090094098092091095/The-Book-of-the-Coppice-Cutter-Trug-maker-and-Besom-maker-by-Beshlie.pdf
    • http://loaminoo.linkpc.net/4099090099095090/The-Match-Maker-The-Husband-Maker-2-by-Karey-White.pdf
    • http://loaminoo.linkpc.net/3090091096097093/Swords-Of-The-Phoenix-Queen-Gods-Of-Blood-And-Fire-1-by-A-J-Strickler.pdf
    • http://loaminoo.linkpc.net/7096098096098/Siren-Song-Blood-Singer-2-by-Cat-Adams.pdf
    • http://loaminoo.linkpc.net/3091097091092097/Blood-Song-Raven-s-Shadow-1-by-Anthony-Ryan.pdf
    • http://loaminoo.linkpc.net/3091097090099093/Blood-Rain-A-Song-of-Death-by-Victor-Methos.pdf
    • http://loaminoo.linkpc.net/3095097093092/The-Forever-Song-Blood-of-Eden-3-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/2094095093091092/The-Forever-Song-Blood-of-Eden-3-by-Julie-Kagawa.pdf
    • http://loaminoo.linkpc.net/9092092090099097/Th

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