Malicious PDF — malware analysis report

Static analysis result for SHA-256 609768a86e7c24ab…

MALICIOUS

PDF

17.8 KB Created: 2019-05-07 06:15:29 +01:00 Authoring application: mPDF 5.7
MD5: 768bd11dcfaf204f021ef6de2b45f3aa SHA-1: 71d448a32e7a078a23a872b5ac4d0c373734a7d1 SHA-256: 609768a86e7c24ab9f55052f6254e013209a8bf8a95fbfeb4e43208e4858efd2
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. While the document body is heavily obfuscated, the presence of numerous external links suggests an attempt to direct users to potentially malicious content or for SEO manipulation. No scripts were extracted, but the PDF structure and link farm are indicative of a malicious intent.

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/1091097093090091093/Reincarnation-The-Phoenix-Fire-Mystery-by-Sylvia-Cranston.pdf
    • http://loaminoo.linkpc.net/1091097093091092099/Reincarnation-The-Phoenix-Fire-Mystery-by-S-L-Cranston.pdf
    • http://loaminoo.linkpc.net/1091097093090097092/Reincarnation-by-Sylvia-Cranston.pdf
    • http://loaminoo.linkpc.net/7091096099096091/The-Mystery-of-Lourdes-by-Ruth-Cranston.pdf
    • http://loaminoo.linkpc.net/1091097093091094093/Margot-Cranston-the-Mystery-at-Loon-Lake-by-David-W-Menefee.pdf
    • http://loaminoo.linkpc.net/5097099098091/Refiner-s-Fire-by-Sylvia-Bambola.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/3090091096097093/Swords-Of-The-Phoenix-Queen-Gods-Of-Blood-And-Fire-1-by-A-J-Strickler.pdf
    • http://loaminoo.linkpc.net/4095098090095095/The-South-Pacific-Murders-A-Mia-Ferrari-Mystery-3-by-Sylvia-Massara.pdf
    • http://loaminoo.linkpc.net/4099099099098093/Time-Trip-A-Time-After-Time-Reincarnation-Novella-Time-After-Time-Reincarnation-Lives-Book-1-by-Wendy-Godding.pdf
    • http://loaminoo.linkpc.net/8096093091092/Novels-by-Chris-D-lacey-The-Fire-Eternal-Fire-Star-the-Fire-Within-Icefire-the-Last-Dragon-Chronicles-Fire-World-by-Books-LLC.pdf
    • http://loaminoo.linkpc.net/4097094096092/The-Last-Dragon-Chronicles-Complete-Set-Books-1-5-The-Fire-Within-Icefire-Fire-Star-The-Fire-Eternal-and-Dark-Fire-5-Book-Set-by-Chris-d-39-Lacey.pdf
    • http://loaminoo.linkpc.net/3099097092091094/The-Snake-Mistake-Mystery-The-Great-Mistake-Mysteries-3-by-Sylvia-McNicoll.pdf
    • http://loaminoo.linkpc.net/1094098093090095/Sylvia-Day-Crossfire-Series-4-Volume-Boxed-Set-by-Sylvia-Day.pdf
    • http://loaminoo.linkpc.net/1096093096099095/The-Phoenix-Embryo-Seasons-of-the-Phoenix-1-by-Jeanne-Marcella.pdf
    • http://loaminoo.linkpc.net/4090093094091092/Search-for-the-Phoenix-Phoenix-Series-Book-2-by-Jim-Proctor.pdf
    • http://loaminoo.linkpc.net/1090098093090098/The-Birth-of-a-Phoenix-Phoenix-Chronicles-1-by-Candice-Snow.pdf
    • http://loaminoo.linkpc.net/3097090091093093/Secrets-in-Phoenix-Phoenix-Holt-1-by-Gabriella-Lepore.pdf

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