Malicious PDF — malware analysis report

Static analysis result for SHA-256 4cd5a894cc9292bc…

MALICIOUS

PDF

13.7 KB Created: 2019-05-07 04:08:56 +01:00 Authoring application: mPDF 5.7
MD5: 7cf22acb0b2cb09b3451bfcab702615d SHA-1: 08ad6fc6211246662c9bf6bcc1decab83b37a547 SHA-256: 4cd5a894cc9292bc1a4a3722124141d0eaddbdf62bb6acb355229820ee5507c8
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF file contains a large number of embedded URLs pointing to external PDF documents, characteristic of a link farm. The heuristic 'PDF_SEO_LINK_FARM' indicates this behavior, with the dominant host being 'loaminoo.linkpc.net'. While the document body is heavily corrupted, the presence of these links suggests an attempt to drive traffic or potentially distribute further malicious content through these linked PDFs. No scripts were extracted from this sample.

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/2090098091099/A-Texan-s-Luck-Wife-Lottery-3-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/1091092093092/The-Tender-Texan-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/2091090093090/To-Kiss-a-Texan-McLain-2-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/2090091099092092/The-Texan-s-Touch-McLain-1-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/9094096095098097/The-Wife-Lottery-Fallon-Six-Men-of-Alaska-1-by-Charlie-Hart.pdf
    • http://loaminoo.linkpc.net/7097099098096095/The-Selfish-Texan-le-texan-egoiste-Houstonian-Hindsight-Book-1-by-C-J-Roberts.pdf
    • http://loaminoo.linkpc.net/4093096099093098/Amy-Tan-Collection-The-Joy-Luck-Club-The-Kitchen-God-s-Wife-by-Amy-Tan.pdf
    • http://loaminoo.linkpc.net/4094092093099091/Boots-Under-Her-Bed-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/1091096093094/A-Texas-Christmas-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/4090098093099091/Two-Texas-Hearts-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/3093099091098098/Rewriting-Monday-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/1090098093096094/Twisted-Creek-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/9096091094096093/The-Widows-Of-Wichita-County-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/3099093096091095/Chance-of-a-Lifetime-Harmony-5-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/2090092091093095/Twilight-in-Texas-McLain-4-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/2090092098094/Two-Texas-Hearts-McQuillen-2-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/2090094091098/Promise-Me-Texas-Whispering-Mountain-7-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/2090091097091099/Texas-Rain-Whispering-Mountain-1-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/2090091097093094/Texas-Princess-Whispering-Mountain-2-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/2095090094099091/Winter-s-Camp-Ransom-Canyon-0-5-by-Jodi-Thomas.pdf
    • http://loaminoo.linkpc.net/3099093096091095/Chance-of-a-Lifetime-Harmony-5-by-Jodi-Thoma

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