Malicious PDF — malware analysis report

Static analysis result for SHA-256 384f4dbc4dbb54b7…

MALICIOUS

PDF

18.1 KB Created: 2020-02-15 02:43:58 +00:00 Authoring application: mPDF 5.7
MD5: 172b5456187e08492c3757e5bce06186 SHA-1: fd41f6c5a179f5708a8244d94771b3e915389d77 SHA-256: 384f4dbc4dbb54b7bbf9e0ab646558204f8060fd1b10cfc246f54214d32c1345
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs, forming a link farm. The primary heuristic indicates this is a SEO link farm, suggesting the document's purpose is to drive traffic to these external PDF files. The ML classifier also strongly flagged this PDF as malicious. No scripts were extracted from this sample.

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://lwoscmobook.myhome.cx/352455241524852475243/The-Hybrid-s-Mate-by-Jennifer-Cooper.pdf
    • http://lwoscmobook.myhome.cx/152475241524852435242/A-Beginner-s-Guide-to-Wooing-Your-Mate-Beings-in-Love-3-by-R-Cooper.pdf
    • http://lwoscmobook.myhome.cx/152475246524452425244/Hybrid-Hybrid-Series-1-by-Nick-Stead.pdf
    • http://lwoscmobook.myhome.cx/152485244524652465249/Mate-Bond-Shifters-Unbound-7-by-Jennifer-Ashley.pdf
    • http://lwoscmobook.myhome.cx/152475249524552485245/Mate-Claimed-Shifters-Unbound-4-by-Jennifer-Ashley.pdf
    • http://lwoscmobook.myhome.cx/252405246524052405246/Mate-Claimed-Shifters-Unbound-4-by-Jennifer-Ashley.pdf
    • http://lwoscmobook.myhome.cx/452405245524152465243/Their-Furever-Mates-Legal-Wolf-s-Mate-Catch-a-Tiger-by-the-Tail-The-Alpha-s-Mate-by-Eve-Langlais.pdf
    • http://lwoscmobook.myhome.cx/252495249524452495247/Adrian-s-Forgotten-Mate-The-Pregnant-Mate-2-by-Marcy-Jacks.pdf
    • http://lwoscmobook.myhome.cx/252495249524452495244/Buying-a-Mate-The-Pregnant-Mate-3-by-Marcy-Jacks.pdf
    • http://lwoscmobook.myhome.cx/1524052485241524252475249/Quantum-Materials-Lateral-Semiconductor-Nanostructures-Hybrid-Systems-and-Nanocrystals-Lateral-Semiconductor-Nanostructures-Hybrid-Systems-and-Nanocrystals-by-Detlef-Heitmann.pdf
    • http://lwoscmobook.myhome.cx/352485242524452405246/Mate-of-the-Tyger-Prince-Mate-of-the-Tyger-Price-1-by-Shannon-West.pdf
    • http://lwoscmobook.myhome.cx/352485243524852475246/Secret-Keeper-Cooper-12-Cooper-Security-5-by-Paula-Graves.pdf
    • http://lwoscmobook.myhome.cx/752485248524052475243/Cooper-s-Novels-The-Last-of-the-Mohicans-by-James-Fenimore-Cooper.pdf
    • http://lwoscmobook.myhome.cx/352465246524052495240/Forbidden-Hybrid-by-T-J-Spade.pdf
    • http://lwoscmobook.myhome.cx/352485247524852415244/Silkash-Hybrid-5-by-Emma-Jaye.pdf
    • http://lwoscmobook.myhome.cx/1524152475240524552405247/ibridAAfricA-hybrid-by-Egidio-Cossa.pdf
    • http://lwoscmobook.myhome.cx/152455248524552495249/The-Last-Hybrid-Bloodline-of-Angels-by-Lee-Wilson.pdf
    • http://lwoscmobook.myhome.cx/352485247524552475243/Gladiatrix-Hybrid-6-by-Emma-Jaye.pdf
    • http://lwoscmobook.myhome.cx/352425242524152475247/What-s-Left-of-Me-The-Hybrid-Chronicles-1-by-Kat-Zhang.pdf
    • http://lwoscmobook.myhome.cx/352475247524052425243/Chimera-Hybrid-7-by-Emma-Jaye.pdf
    • http://lwoscmobook.myhome.cx/1524052485241524252475249/Quantum-Materials-Lateral-Semiconductor-Nanostructures-Hybrid-Systems-and-

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