Malicious PDF — malware analysis report

Static analysis result for SHA-256 08f70d100e0aef47…

MALICIOUS

PDF

15.9 KB Created: 2019-05-02 00:56:42 +01:00 Authoring application: mPDF 5.7
MD5: 0e6807198e55bb2d237e3fb8b5451ed3 SHA-1: 1f58ba1b43629e591822dc2980e6ffb4e3615e4a SHA-256: 08f70d100e0aef47841a8008b336f6f2838f068a601f399442427c1cdf7851c6
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded external links, many with numeric slugs, which is indicative of a link farm or SEO manipulation tactic. While the ML classifier flagged it as malicious, the specific intent beyond link distribution is unclear as no malicious scripts were extracted. The presence of numerous links suggests an attempt to direct users to potentially malicious or deceptive content hosted externally.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9892

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/1090099093092096/Protectors-of-The-Wood-1-by-John-KixMiller.pdf
    • http://loaminoo.linkpc.net/2095093099099096/FREE-WOOD-III-THE-CRATE-BOOK-Upcycling-pallet-wood-into-sturdy-wood-crates-with-precision-and-repeatability-by-T-G-Forge.pdf
    • http://loaminoo.linkpc.net/3099099094096094/The-Young-Protectors-Engaging-The-Enemy-The-Young-Protectors-1-by-Alex-Woolfson.pdf
    • http://loaminoo.linkpc.net/5098094098098095/Zak-The-Yak-With-Books-On-His-Back-by-John-Wood.pdf
    • http://loaminoo.linkpc.net/1091091099091091094/Witch-Wood-by-John-Buchan.pdf
    • http://loaminoo.linkpc.net/8098091099090096/Luis-Gonzalez-Palma-Poems-of-Sorrow-by-John-Wood.pdf
    • http://loaminoo.linkpc.net/5091094095098097/The-American-Railroad-Freight-Car-From-The-Wood-Car-Era-To-The-Coming-Of-Steel-by-John-P-White.pdf
    • http://loaminoo.linkpc.net/3095090097097097/Handbook-of-Wood-Chemistry-and-Wood-Composites-by-Roger-M-Rowell.pdf
    • http://loaminoo.linkpc.net/3091091099095093/Merlin-s-Wood-Mythago-Wood-5-by-Robert-Holdstock.pdf
    • http://loaminoo.linkpc.net/1096095093096095/Natalie-Wood-a-memoir-by-her-sister-by-Lana-Wood.pdf
    • http://loaminoo.linkpc.net/2092096098098/Beyond-the-Wood-Beyond-the-Wood-1-by-Michael-J-Roueche.pdf
    • http://loaminoo.linkpc.net/1096096095092093/Aster-Wood-and-the-Lost-Maps-of-Almara-Aster-Wood-1-by-J-B-Cantwell.pdf
    • http://loaminoo.linkpc.net/4098092090090092/Aster-Wood-and-the-Lost-Maps-of-Almara-Aster-Wood-1-by-J-B-Cantwell.pdf
    • http://loaminoo.linkpc.net/2097096090099093/The-Protectors-by-Lillian-Bishop.pdf
    • http://loaminoo.linkpc.net/1098099093096090/Jax-The-Protectors-8-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/3092094099095099/The-Protectors-by-James-Piper.pdf
    • http://loaminoo.linkpc.net/1098099094099090/Sid-The-Protectors-4-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/3090090090090092/The-League-of-Protectors-by-Christian-Green.pdf
    • http://loaminoo.linkpc.net/1091096099095094/Duncan-The-Protectors-3-by-Teresa-Gabelman.pdf
    • http://loaminoo.linkpc.net/4098096094098098/Christian-The-Protectors-Book-1-by-L-Ann-Marie.pdf

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