Malicious PDF — malware analysis report

Static analysis result for SHA-256 d739d478f0b7cc3e…

MALICIOUS

PDF

13.8 KB Created: 2019-04-30 03:04:27 +01:00 Authoring application: mPDF 5.7
MD5: 02677ae55da73057ba1f8b667794bf29 SHA-1: 25c26797f77b0a7a860174f6039a1774c802a991 SHA-256: d739d478f0b7cc3e0ff2803ce6d1e3ee3d302c3ad9197a412271c1be97a59d67
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious and contains a large number of embedded links. These links, predominantly hosted on 'loaminoo.linkpc.net', form a link farm likely designed to distribute further malicious content or phish users. The attack pattern is consistent with SEO poisoning or a simple link distribution scheme.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9891

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/4097091091091098/Wings-Over-Poppies-Over-2-by-J-A-DeRouen.pdf
    • http://loaminoo.linkpc.net/2092096099097098/Low-Over-High-Over-Duet-1-by-J-A-DeRouen.pdf
    • http://loaminoo.linkpc.net/1095096095093093/Precipice-Act-One-of-the-A-Show-for-the-Gods-Series-by-Anthony-DeRouen.pdf
    • http://loaminoo.linkpc.net/6095098093096098/Butterfly-wings-and-dragonfly-wings-Guardian-Fairy-Book-7-by-Anastasia-Ducret.pdf
    • http://loaminoo.linkpc.net/4097091098097099/Gilded-Wings-Hidden-Wings-4-by-Cameo-Renae.pdf
    • http://loaminoo.linkpc.net/2095099098092095/Wings-of-Vengeance-Hidden-Wings-5-by-Cameo-Renae.pdf
    • http://loaminoo.linkpc.net/5094099095092093/Sea-of-Poppies-by-Amitav-Ghosh.pdf
    • http://loaminoo.linkpc.net/8091094091097/Sea-of-Poppies-by-Amitav-Ghosh.pdf
    • http://loaminoo.linkpc.net/1093091099096098/Among-the-Poppies-by-J-39-nell-Ciesielski.pdf
    • http://loaminoo.linkpc.net/2094090094091098/Sea-of-Poppies-by-Amitav-Ghosh.pdf
    • http://loaminoo.linkpc.net/6093096098091094/The-Fume-of-Poppies-by-Jonathan-Kozol.pdf
    • http://loaminoo.linkpc.net/4097098093099090/A-Pride-of-Poppies-by-Julie-Bozza.pdf
    • http://loaminoo.linkpc.net/3095098096097/Sea-of-Poppies-Ibis-Trilogy-1-by-Amitav-Ghosh.pdf
    • http://loaminoo.linkpc.net/3098095091098092/On-Silent-Wings-Wings-1-by-Don-Conroy.pdf
    • http://loaminoo.linkpc.net/9096092095095090/Poppies-Odyssey-of-an-Opium-Eater-by-Eric-Detzer.pdf
    • http://loaminoo.linkpc.net/4093092094096097/Fall-of-Poppies-Stories-of-Love-and-the-Great-War-by-Heather-Webb.pdf
    • http://loaminoo.linkpc.net/2093091093093099/Fall-of-Poppies-Stories-of-Love-and-the-Great-War-by-Heather-Webb.pdf
    • http://loaminoo.linkpc.net/4092099094096/Hidden-Wings-Hidden-Wings-1-by-Cameo-Renae.pdf
    • http://loaminoo.linkpc.net/6092095097099/Violet-Wings-Violet-Wings-1-by-Victoria-Hanley.pdf
    • http://loaminoo.linkpc.net/1099099095097097/Wings-A-Fairy-Tale-Fairy-Wings-1-by-E-D-Baker.pdf

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