Malicious PDF — malware analysis report

Static analysis result for SHA-256 d21819d8cd4765c1…

MALICIOUS

PDF

15.7 KB Created: 2020-03-18 16:32:13 +00:00 Authoring application: mPDF 5.7
MD5: 31f4d13164319c2b9ffd8f82db55b428 SHA-1: 5c4f149f7bdaef0963ec2ad5cd242b86373dc3a5 SHA-256: d21819d8cd4765c11dfe141bebe1b895a90f3820834dad1054fddee87a84571e
90 Risk Score

Malware Insights

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

The PDF file exhibits characteristics of a link farm, embedding a large number of external URLs. The ML classifier also flagged this PDF as malicious with high confidence. The embedded URLs, such as http://lwoscmobook.myhome.cx/352485243524052485249/The-Alpha-s-Hunger-The-Alpha-s-Doms-1-by-Renee-Rose.pdf, are likely used to distribute further malicious content or for SEO manipulation. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9778

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://lwoscmobook.myhome.cx/352485243524052485249/The-Alpha-s-Hunger-The-Alpha-s-Doms-1-by-Renee-Rose.pdf
    • http://lwoscmobook.myhome.cx/952465242524652405249/Alpha-s-War-Bad-Boy-Alphas-7-Bad-Alpha-Dads-by-Renee-Rose.pdf
    • http://lwoscmobook.myhome.cx/152485244524652425249/The-Alpha-Series-Boxed-Set-Books-1---3-Alpha-Kaden-Alpha-Grayson-and-Alpha-Jasper-by-Midika-Crane.pdf
    • http://lwoscmobook.myhome.cx/952465242524652435240/Alpha-s-Challenge-Bad-Boy-Alphas-4-by-Renee-Rose.pdf
    • http://lwoscmobook.myhome.cx/452425243524952465243/Controlled-Desires-Alpha-Doms-2-by-Christin-Lovell.pdf
    • http://lwoscmobook.myhome.cx/152425243524452405247/Controlled-Surrender-Alpha-Doms-6-by-Christin-Lovell.pdf
    • http://lwoscmobook.myhome.cx/352435243524852455246/Accidental-Alpha-A-is-for-Alpha-Male-3-by-Laurel-Ulen-Curtis.pdf
    • http://lwoscmobook.myhome.cx/152425248524052405241/Alpha-Divided-Alpha-Girl-3-by-Aileen-Erin.pdf
    • http://lwoscmobook.myhome.cx/152485244524552405247/The-Alpha-s-Debt-The-Alpha-s-Destiny-1-by-Donna-Flynn.pdf
    • http://lwoscmobook.myhome.cx/952465242524652435241/Alpha-Breeds-Alpha-Horde-1-by-Milana-Jacks.pdf
    • http://lwoscmobook.myhome.cx/452495241524752415245/Alpha-Wolf-Alpha-Force-2-by-Linda-O-Johnston.pdf
    • http://lwoscmobook.myhome.cx/152435245524552405240/Alpha-Unleashed-Alpha-Girl-5-by-Aileen-Erin.pdf
    • http://lwoscmobook.myhome.cx/452495246524852445247/Alpha-Mine-Alpha-and-Omega-4-by-Aline-Hunter.pdf
    • http://lwoscmobook.myhome.cx/452465249524952415249/Christmas-Alpha-Alpha-1-by-Carole-Mortimer.pdf
    • http://lwoscmobook.myhome.cx/452455242524152415242/The-Alpha-s-Toy-The-Alpha-Shifter-Collection-1-by-Sam-Crescent.pdf
    • http://lwoscmobook.myhome.cx/352475241524852415246/Being-Alpha-Alpha-Girl-7-by-Aileen-Erin.pdf
    • http://lwoscmobook.myhome.cx/352445247524352405248/Chase-Me-Alpha-Alpha-1-by-glitter_xox.pdf
    • http://lwoscmobook.myhome.cx/45240524852455240/Alpha-Alpha-1-by-Jasinda-Wilder.pdf
    • http://lwoscmobook.myhome.cx/252495249524652485249/Posing-for-the-Alpha-For-the-Alpha-1-by-Sydnee-B-.pdf
    • http://lwoscmobook.myhome.cx/352485246524452405249/Alpha-Alpha-1-by-Jasinda-Wilder.pdf
    • http://lwoscmobook.myhome.cx/952465242524652435241/Alpha-Breeds-Alpha-Ho

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