Malicious PDF — malware analysis report

Static analysis result for SHA-256 5003e7e1c77087e8…

MALICIOUS

PDF

16.4 KB Created: 2020-03-18 21:58:26 +00:00 Authoring application: mPDF 5.7
MD5: cd019543b2d316d35da73b1b0506817d SHA-1: 3e67cc6b38b41d5a37c1fdb77ca552628ae01423 SHA-256: 5003e7e1c77087e852a75eb912eb57c36fd8d7a9977f16e0eea75cc62e40fbb0
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, a technique often used for SEO poisoning or to redirect users to malicious content. The ML classifier strongly indicated maliciousness. No scripts were extracted, and the document body was heavily obfuscated, but the presence of a link farm on a suspicious domain is a strong indicator of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9898

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://weisncio.myhome.cx/5628629627625629/Yu-Yu-Hakusho-Volume-6-The-Dark-Tournament-Yu-Yu-Hakusho-6-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629628626629/Yu-Yu-Hakusho-Volume-18-The-Demon-Plane-Unification-Tournament-Yu-Yu-Hakusho-18-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629628626628/Yu-Yu-Hakusho-Volume-15-Showdown-at-the-Eleventh-Hour-Yu-Yu-Hakusho-15-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629628626623/Yu-Yu-Hakusho-Volume-14-A-Bloody-Past-Yu-Yu-Hakusho-14-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629628620628/Yu-Yu-Hakusho-Volume-8-Open-Your-Eyes-Yu-Yu-Hakusho-8-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/1621626622625620623/YuYu-Hakusho-Volume-13-Full-Power-One-Last-Time-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/8624628627628/Weed-Volume-2-by-Yoshihiro-Takahashi.pdf
    • http://weisncio.myhome.cx/5628629627626621/Hunter-x-Hunter-Vol-11-Hunter-x-Hunter-11-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629628626625/Hunter-x-Hunter-Vol-20-Hunter-x-Hunter-20-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629628627620/Hunter-x-Hunter-Vol-23-Hunter-x-Hunter-23-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629628621624/Hunter-x-Hunter-Vol-28-Hunter-x-Hunter-28-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629628621621/Hunter-x-Hunter-Vol-26-Hunter-x-Hunter-26-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629628620625/Hunter-x-Hunter-Vol-19-Hunter-x-Hunter-19-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629628621629/Hunter-x-Hunter-Vol-33-Hunter-x-Hunter-33-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/5628629627626620/Hunter-x-Hunter-Vol-17-Hunter-x-Hunter-17-by-Yoshihiro-Togashi.pdf
    • http://weisncio.myhome.cx/4624623629626624/Justice-League-Dark-Volume-1-In-the-Dark-by-Peter-Milligan.pdf
    • http://weisncio.myhome.cx/9620626621624/Rainbow-in-the-Dark-Volume-2-Change-Rainbow-in-the-Dark-2-by-Comfort-Love.pdf
    • http://weisncio.myhome.cx/1621628629624626/Tournament-by-Jennifer-Goebel.pdf
    • http://weisncio.myhome.cx/2627621627625629/Tournament-of-Losers-by-Megan-Derr.pdf
    • http://weisncio.myhome.cx/3625621621620628/Tournament-Poker-And-The-Art-Of-War-by-David-Apostolico.pdf

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