Malicious PDF — malware analysis report

Static analysis result for SHA-256 7459e1954848d8e4…

MALICIOUS

PDF

16.9 KB Created: 2019-04-30 02:35:57 +01:00 Authoring application: mPDF 5.7
MD5: 6a8be2c5ca3ee8a25ce1e9435a498a48 SHA-1: 18ef4633dcb8559ef5143937ed0a0a002737033b SHA-256: 7459e1954848d8e4f06d41ebbd5e9411657183efb5bfeb0426f5dd7c9034aabc
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, identified as a link farm. The primary heuristic indicates this is a critical finding, suggesting the PDF is designed to redirect users to numerous external PDF files. While the URLs themselves are currently marked as benign, the sheer volume and the heuristic's classification point towards a malicious intent, possibly for SEO manipulation or to host further malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9925

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/3090091096097093/Swords-Of-The-Phoenix-Queen-Gods-Of-Blood-And-Fire-1-by-A-J-Strickler.pdf
    • http://loaminoo.linkpc.net/6092095097095/A-Storm-of-Swords-Blood-and-Gold-A-Song-of-Ice-and-Fire-3-Part-2-of-2-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/8095098092096/A-Storm-of-Swords-Part-2-Blood-and-Gold-A-Song-of-Ice-and-Fire-3-part-2-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/4098098092098097/Gods-of-Fire-and-Thunder-Book-of-the-Gods-5-by-Fred-Saberhagen.pdf
    • http://loaminoo.linkpc.net/4093099097091090/The-Queen-of-Swords-by-Nina-Mason.pdf
    • http://loaminoo.linkpc.net/4090097097097/Queen-of-Swords-Wilderness-5-by-Sara-Donati.pdf
    • http://loaminoo.linkpc.net/4099098099099092/Dreams-of-Fire-and-Gods-Fire-by-James-Erich.pdf
    • http://loaminoo.linkpc.net/6090099096092/A-Storm-of-Swords-A-Song-of-Ice-and-Fire-3-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/6096099099/The-Tethered-Mage-Swords-and-Fire-1-by-Melissa-Caruso.pdf
    • http://loaminoo.linkpc.net/2091094095096096/The-Defiant-Heir-Swords-and-Fire-2-by-Melissa-Caruso.pdf
    • http://loaminoo.linkpc.net/2092092091090097/A-Storm-of-Swords-A-Song-of-Ice-and-Fire-3-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/1098095097093090/A-Storm-of-Swords-A-Song-of-Ice-and-Fire-3-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/5095098094093097/Games-of-Thrones-A-Storm-of-Swords-Book-Three-of-a-Song-of-Ice-and-Fire-Vol-3c-by-George-R-R-Martin.pdf
    • http://loaminoo.linkpc.net/1091097093091092099/Reincarnation-The-Phoenix-Fire-Mystery-by-S-L-Cranston.pdf
    • http://loaminoo.linkpc.net/6090098094091093/Phoenix-Melody-of-Fire-1-by-Tarek-Yared.pdf
    • http://loaminoo.linkpc.net/1091094095091/Burn-For-Me-Phoenix-Fire-1-by-Cynthia-Eden.pdf
    • http://loaminoo.linkpc.net/4094093098094091/MAXWELL-2-Trial-By-Fire-Phoenix-Club-14-by-C-J-Bishop.pdf
    • http://loaminoo.linkpc.net/1091097093090091093/Reincarnation-The-Phoenix-Fire-Mystery-by-Sylvia-Cranston.pdf
    • http://loaminoo.linkpc.net/8098096098093/The-First-Book-of-Swords-Books-of-Swords-1-by-Fred-Saberhagen.pdf
    • http://loaminoo.linkpc.net/4097098092093/In-the-Blood-The-Maker-s-Song-2-by-Adrian-Phoenix.pdf

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