Malicious PDF — malware analysis report

Static analysis result for SHA-256 60f1a085640750ca…

MALICIOUS

PDF

19.1 KB Created: 2020-03-15 21:09:04 +00:00 Authoring application: mPDF 5.7
MD5: 8e2fabd7dc636a88167d05b12d85d799 SHA-1: fb2e2df24aea18b9746759d17f245076953d68b9 SHA-256: 60f1a085640750ca79216c9177276cfbf90be8b15b7c7e74e04e7bc9b4886b60
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a large number of embedded URLs pointing to external PDF files, indicating a link farm likely used for SEO poisoning or to distribute further malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9920

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://rtuninnsi.myhome.cx/86a46a66a96a0/Legend-of-the-White-Wolf-Heart-of-the-Wolf-4-by-Terry-Spear.pdf
    • http://rtuninnsi.myhome.cx/26a96a26a26a46a2/Seduced-by-the-Wolf-Heart-of-the-Wolf-5-by-Terry-Spear.pdf
    • http://rtuninnsi.myhome.cx/46a26a46a26a16a8/Destiny-of-the-Wolf-Heart-of-the-Wolf-2-by-Terry-Spear.pdf
    • http://rtuninnsi.myhome.cx/16a86a16a76a96a8/Dreaming-of-the-Wolf-Heart-of-the-Wolf-8-by-Terry-Spear.pdf
    • http://rtuninnsi.myhome.cx/16a26a66a76a96a0/Heart-of-the-Highland-Wolf-Heart-of-the-Wolf-7-by-Terry-Spear.pdf
    • http://rtuninnsi.myhome.cx/16a96a76a56a56a9/Heart-of-the-Wolf-Heart-of-the-Wolf-1-by-Terry-Spear.pdf
    • http://rtuninnsi.myhome.cx/26a66a66a36a36a4/A-Highland-Werewolf-Wedding-Heart-of-the-Wolf-11-by-Terry-Spear.pdf
    • http://rtuninnsi.myhome.cx/96a76a86a36a26a3/Wolf-in-Kunst-Und-Literatur-Der-Wolfsjunge-Rotkappchen-Kami-to-K-Shinry-Der-Mit-Dem-Wolf-Tanzt-Asena-Legende-Der-Wolfsmensch-Der-Wolf-Und-Die-Sieben-Jungen-Geisslein-Hase-Und-Wolf-Kapitolinische-Wolfin-Peter-Und-Der-Wolf-by-Source-Wikipedia.pdf
    • http://rtuninnsi.myhome.cx/36a56a96a16a16a2/WULFSUNA-Wolf-Spear-Saga---Book-1-by-E-S-Moxon.pdf
    • http://rtuninnsi.myhome.cx/26a76a96a76a26a3/Winning-the-Highlander-s-Heart-The-Highlanders-1-by-Terry-Spear.pdf
    • http://rtuninnsi.myhome.cx/46a96a26a96a36a9/Savage-Hunger-Heart-of-the-Jaguar-1-by-Terry-Spear.pdf
    • http://rtuninnsi.myhome.cx/16a96a76a06a16a5/Wolf-By-Wolf-Wolf-By-Wolf-1-by-Ryan-Graudin.pdf
    • http://rtuninnsi.myhome.cx/16a96a66a76a46a8/Reincarnation-The-Legend-of-Snow-Wolf-1-by-Fred-Lit-Yu.pdf
    • http://rtuninnsi.myhome.cx/16a86a86a86a06a0/A-Wolf-Apart-The-Legend-of-All-Wolves-2-by-Maria-Vale.pdf
    • http://rtuninnsi.myhome.cx/26a76a96a56a16a5/The-Last-Wolf-The-Legend-of-All-Wolves-1-by-Maria-Vale.pdf
    • http://rtuninnsi.myhome.cx/86a96a26a06a26a5/A-Very-Jaguar-Christmas-Heart-of-the-Jaguar-5-by-Terry-Spear.pdf
    • http://rtuninnsi.myhome.cx/26a46a76a36a76a9/Forbidden-Discover-the-Legend-Wolf-Sirens-1-by-Tina-Smith.pdf
    • http://rtuninnsi.myhome.cx/36a86a36a06a56a9/Black-Wolf-s-Revenge-Silver-Wolf-Clan-2-by-Tera-Shanley.pdf
    • http://rtuninnsi.myhome.cx/36a66a56a06a66a5/Tales-of-the-Wolf-Fifty-One-Stories-of-Wolf-Encounters-in-the-Wild-by-Tim-W-Clark.pdf
    • http://rtuninnsi.myhome.cx/36a26a36a06a96a0/The-Wolf-of-the-Highlands-by-Bil-Howard-Author-of-MacGregor-39-s-Wolf-Lessons-of-Time-.pdf

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