Malicious PDF — malware analysis report

Static analysis result for SHA-256 29bace87c61102a6…

MALICIOUS

PDF

13.1 KB Created: 2020-03-18 16:32:06 +00:00 Authoring application: mPDF 5.7
MD5: 96deeb06144e00fca466fc2c9d3858e7 SHA-1: 8225797a6ad41f24d21cdcbb79f74c23a25e8e31 SHA-256: 29bace87c61102a681354dd1378cf948277b18254b37b7789cd6836df5aa479f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF contains a large number of embedded URLs, forming a link farm. This is indicative of a phishing or SEO poisoning attack, aiming to direct users to potentially malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

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/452435240524352455241/Rowan-and-the-Keeper-of-the-Crystal-Rowan-of-Rin-3-by-Emily-Rodda.pdf
    • http://lwoscmobook.myhome.cx/85240524252485248/Rowan-and-the-Ice-Creepers-Rowan-of-Rin-5-by-Emily-Rodda.pdf
    • http://lwoscmobook.myhome.cx/452455246524152465249/Rowan-of-Rin-Rowan-of-Rin-1-by-Emily-Rodda.pdf
    • http://lwoscmobook.myhome.cx/352455243524752475245/Hawk-in-the-Rowan-The-Rowan-Harbor-Cycle-4-by-Sam-Burns.pdf
    • http://lwoscmobook.myhome.cx/252485247524152455242/Rowan-Hood-Returns-Rowan-Hood-5-by-Nancy-Springer.pdf
    • http://lwoscmobook.myhome.cx/152495248524752405242/The-Day-We-Met-by-Rowan-Coleman.pdf
    • http://lwoscmobook.myhome.cx/452465242524052425246/Tangled-Web-by-Lee-Rowan.pdf
    • http://lwoscmobook.myhome.cx/252455247524652415245/Want-Me-by-Rowan-McBride.pdf
    • http://lwoscmobook.myhome.cx/452455247524652445241/Witcheskin-by-Nem-Rowan.pdf
    • http://lwoscmobook.myhome.cx/252465241524652485243/Want-Me-by-Rowan-McBride.pdf
    • http://lwoscmobook.myhome.cx/152485243524752405248/Ice-Age-by-Iain-Rowan.pdf
    • http://lwoscmobook.myhome.cx/152495242524952455244/The-Story-of-Tol-by-Jack-Rowan.pdf
    • http://lwoscmobook.myhome.cx/152425249524752495243/The-Little-Dragons-by-Rowan-Starsmith.pdf
    • http://lwoscmobook.myhome.cx/852415242524252435245/Walking-Wounded-by-Lee-Rowan.pdf
    • http://lwoscmobook.myhome.cx/152475240524152445242/Give-Yourself-to-Me-by-Alexandra-Rowan.pdf
    • http://lwoscmobook.myhome.cx/552425243524052465249/The-Shape-Of-Her-by-Rowan-Somerville.pdf
    • http://lwoscmobook.myhome.cx/252425243524952405248/We-Met-in-Dreams-by-Rowan-McAllister.pdf
    • http://lwoscmobook.myhome.cx/252455247524952405244/Hot-Mess-by-Rowan-McAllister.pdf
    • http://lwoscmobook.myhome.cx/45249524552495247/The-Legacy-by-Jill-Rowan.pdf
    • http://lwoscmobook.myhome.cx/152475245524052405249/Rowan-by-Lauren-Howell.pdf
    • http://lwoscmobook.myhome.cx/852415242524252435245/Walking-Wounded-

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