Malicious PDF — malware analysis report

Static analysis result for SHA-256 24a78130453f61d8…

MALICIOUS

PDF

16.6 KB Created: 2020-03-18 22:39:47 +00:00 Authoring application: mPDF 5.7
MD5: 3fd6cf0d731c29ddbb151efeaf5a3170 SHA-1: c01a8b3038deb52cb4fdffa52a91e7896fc834bf SHA-256: 24a78130453f61d8a9e9a68baf1e4e8aef63751e3afc7d262330f248b15b0315
60 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The heuristic PDF_SEO_LINK_FARM specifically flags this behavior. No scripts were extracted, and the document body was heavily obfuscated, limiting further analysis of the exact payload. The primary IOCs are the numerous URLs hosted on the suspicious domain.

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/1524052455246524752435241/The-Time-Machine-the-Original-Novel-Annotated-Masterpiece-Collection-The-Time-Machine-H-G-Wells-Famous-Quotes-Book-List-and-Biography-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/152405242524252475249/The-Time-Machine-The-Wonderful-Visit-and-Other-Stories-The-Works-of-H-G-Wells-Vol-1-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/652455241524852495248/The-Time-Machine-Herbert-George-Wells-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/552485240524452425245/The-Time-Machine-An-Invention-Annotated-H-G-Wells-1-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/552485248524052405246/The-Time-Machine-By-H-G-Wells---Illustrated-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/852415247524152435242/The-Time-Machine-The-Original-Time-Travel-Story-A-Short-Science-Fiction-Novel-about-Time-Travel-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/752425245524452425242/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/552455244524452405248/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/952495248524152425242/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/652455243524552455248/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/752415246524752485243/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/452495241524852435241/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/852435242524652405248/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/652495249524052425247/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/1524152405245524952445249/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/852425248524652435244/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/35242524352465244/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/952405245524152445246/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/552465247524952485247/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/852495244524952415246/The-Time-Machine-by-H-G-Wells.pdf
    • http://lwoscmobook.myhome.cx/852415247524152435242/The-Time-Machine-

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