Malicious PDF — malware analysis report

Static analysis result for SHA-256 d6b199f53bb61ce8…

MALICIOUS

PDF

18.2 KB Created: 2020-02-13 20:30:09 +00:00 Authoring application: mPDF 5.7
MD5: e53587144c7da7b6b24a292c64d84368 SHA-1: 8c72370db45aa4d5dc53adc86e82c0bd5661d745 SHA-256: d6b199f53bb61ce86295fb6e459a0c4cafef210469af65d0fca65d4558a4283f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a large number of embedded URLs pointing to external PDF files, indicative of a link farm or SEO spam campaign. The ML classifier also flagged this document as malicious with high confidence. The embedded URLs are likely used to distribute further malicious content or to drive traffic to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9931

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/1524152485244524752475240/Ruhe-in-Fetzen-Ein-Fall-f-r-Mrs-Murphy-Ein-Mrs--Murphy-Krimi-2-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/1524152495240524252495241/Ruhe-in-Fetzen-ein-Fall-f-r-Mrs-Murphy-Mrs-Murphy-2-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/1524152485244524852475243/Mord-auf-Rezept-Ein-Fall-f-r-Mrs-Murphy-Ein-Mrs--Murphy-Krimi-9-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/1524152485244524852475242/Die-Katze-l-sst-das-Mausen-nicht-Ein-Fall-f-r-Mrs-Murphy-Ein-Mrs--Murphy-Krimi-10-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/152475248524652485247/The-Big-Cat-Nap-Mrs-Murphy-20-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/352425247524552495244/The-Litter-of-the-Law-Mrs-Murphy-22-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/352415248524152415248/Nine-Lives-to-Die-Mrs-Murphy-23-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/352415246524752405240/Murder-at-Monticello-Mrs-Murphy-3-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/252435240524952415240/Cat-of-the-Century-A-Mrs-Murphy-Mystery-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/352415246524352485243/Puss-N-Cahoots-Mrs-Murphy-15-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/352415248524552405244/Murder-on-the-Prowl-Mrs-Murphy-6-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/352415248524452445245/Rest-in-Pieces-Mrs-Murphy-2-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/952425242524752435243/Mord-in-Monticello-Virus-im-Netz-Mrs-Murphy-3-4-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/152415242524152475243/Black-Angels-by-Rita-Murphy.pdf
    • http://lwoscmobook.myhome.cx/35241524352435245/Murphy-s-Law-Molly-Murphy-Mysteries-1-by-Rhys-Bowen.pdf
    • http://lwoscmobook.myhome.cx/152445249524252435247/Are-We-Rome-The-Fall-of-an-Empire-and-the-Fate-of-America-by-Cullen-Murphy.pdf
    • http://lwoscmobook.myhome.cx/552455245524252415249/O-Poder-Do-Subconsiente---O-Grande-Classico-De-Joseph-Murphy-by-Joseph-Murphy.pdf
    • http://lwoscmobook.myhome.cx/952485240524452425242/Rita-Will-Memoir-of-a-Literary-Rabble-Rouser-by-Rita-Mae-Brown.pdf
    • http://lwoscmobook.myhome.cx/452465248524052475241/The-Last-Kiss-by-M-R-Murphy.pdf
    • http://lwoscmobook.myhome.cx/95242524052415243/Soon-by-Lois-Murphy.pdf

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