Malicious PDF — malware analysis report

Static analysis result for SHA-256 9c5e60400052e6fe…

MALICIOUS

PDF

13.5 KB Created: 2019-05-02 18:17:01 +01:00 Authoring application: mPDF 5.7
MD5: e6af4a1b8db09178cd35ef887ab8ae91 SHA-1: adc6e112e37f18c56a63588269537951e5ebe708 SHA-256: 9c5e60400052e6feea788768ee5c30fcc515934d90bbe4675ad7fd532b8e78af
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF contains a large number of embedded external links, a technique often used for SEO manipulation or to redirect users to malicious sites. The ML classifier also flagged this PDF as malicious. While the specific intent of the links is unclear due to benign reputation labels, the sheer volume and the critical heuristic firing suggest a malicious purpose, likely related to driving traffic or distributing further malware. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9102

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/6098099095097093/Soulful-Skincare-The-ultimate-guide-to-radically-transforming-your-complexion-by-Yancy-Lael.pdf
    • http://loaminoo.linkpc.net/2091094096092096/Poison-s-Cage-Poison-s-Kiss-2-by-Breeana-Shields.pdf
    • http://loaminoo.linkpc.net/2094092094093097/Poison-Kisses-Part-1-Poison-Kisses-1-by-Lisa-Renee-Jones.pdf
    • http://loaminoo.linkpc.net/2098090096094097/A-Poison-Apple-Boxed-Set-Poison-Apple-Volumes-1-through-8-by-Ruth-Ames.pdf
    • http://loaminoo.linkpc.net/2094092094093098/Poison-Kisses-Part-2-Poison-Kisses-2-by-Lisa-Renee-Jones.pdf
    • http://loaminoo.linkpc.net/4090095091093099/Poison-Kisses-Part-1-Poison-Kisses-1-by-Lisa-Renee-Jones.pdf
    • http://loaminoo.linkpc.net/3097093094095093/Blood-Like-Poison-The-Trilogy-Blood-Like-Poison-1-3-by-Michelle-Leighton.pdf
    • http://loaminoo.linkpc.net/6098099096090096/Out-of-the-Oven-by-Z-C-Yancy.pdf
    • http://loaminoo.linkpc.net/6098099095094095/Electric-Yancy-by-Ann-Grifalconi.pdf
    • http://loaminoo.linkpc.net/6098099095092093/Yancy-by-Brenda-Heyward.pdf
    • http://loaminoo.linkpc.net/2091094090095090/Poison-Girl-Poison-Girl-1-by-A-J-Johnson-Clark.pdf
    • http://loaminoo.linkpc.net/1092092090091094/The-Poison-Diaries-The-Poison-Diaries-1-by-Maryrose-Wood.pdf
    • http://loaminoo.linkpc.net/6098099095094096/Yancy-Morgan-by-Charles-E-Stenger.pdf
    • http://loaminoo.linkpc.net/6098099095092090/Yancy-Landon-Saga-5-by-Tell-Cotten.pdf
    • http://loaminoo.linkpc.net/6098099095092095/Yancy-and-Bear-by-Hazel-Hutchins.pdf
    • http://loaminoo.linkpc.net/6098099095091097/Earning-Yancy-NSFW-2-by-C-C-Wood.pdf
    • http://loaminoo.linkpc.net/6098099096091092/Philosophy-in-Multiple-Voices-by-George-Yancy.pdf
    • http://loaminoo.linkpc.net/2098093095094093/The-Fixer-Yancy-Lazarus-Box-Set-Episodes-1---3-by-James-A-Hunter.pdf
    • http://loaminoo.linkpc.net/1095090091099095/A-Secret-Hope-Sword-and-Spirit-1-by-Renee-Yancy.pdf
    • http://loaminoo.linkpc.net/2091099091096095/Flashback-The-Morrigan-Yancy-Lazarus-3-5-by-James-A-Hunter.pdf
    • http://loaminoo.linkpc.net/

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