Malicious PDF — malware analysis report

Static analysis result for SHA-256 caa439293216985c…

MALICIOUS

PDF

15.2 KB Created: 2020-03-20 17:07:47 +00:00 Authoring application: mPDF 5.7
MD5: cccc01926a99e6d7bdfc0887c86e8623 SHA-1: 11b8741f7c31ab064ea6b9b8191f61d82135df57 SHA-256: caa439293216985c619804ab12ebc29c235c265418b0d4e369c4e3d835690e53
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded URLs pointing to external PDF files, a technique often used for SEO poisoning or to distribute malicious content. The ML classifier also flagged this PDF as malicious. No scripts were extracted, and the document body was heavily obfuscated, preventing a deeper analysis of the specific lure. The primary IOC is the domain 'weisncio.myhome.cx' which hosts the linked content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9880

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/4623620625625627/No-Mercy-Dark-Hunter-19-Were-Hunter-6-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/4623620625621622/Bad-Moon-Rising-Dark-Hunter-14-Were-Hunter-6-Hellchaser-3-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/4620622629622628/Bad-Moon-Rising-Dark-Hunter-14-Were-Hunter-6-Hellchaser-3-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/4627627628622620/Unleash-the-Night-Dark-Hunter-9-Were-Hunter-4-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/3624629625627/Dark-Side-of-the-Moon-Dark-Hunter-9-Were-Hunter-3-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/3620627623624621/Dream-Chaser-Dream-Hunter-3-Dark-Hunter-14-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/4627628624622627/Styxx-Dark-Hunter-22-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/3623629625625/Devil-May-Cry-Dark-Hunter-11-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/2629624628627620/Acheron-Dark-Hunter-12-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/4625627623621629/Acheron-Dark-Hunter-12-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/2620622623626/Night-Pleasures-Dark-Hunter-1-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/1628621625624626/Seize-the-Night-Dark-Hunter-6-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/8626628626627629/Gebieterin-der-Schatten-Dark-Hunter-15-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/3625626621629/One-Silent-Night-Dark-Hunter-15-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/3620625620623620/Seize-the-Night-Dark-Hunter-7-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/3624624620623/Seize-the-Night-Dark-Hunter-6-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/1625622627629628/The-Dark-Hunter-Novels-5-book-Box-Set-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/2623621625626629/Sins-of-the-Night-Dark-Hunter-8-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/5620624623628623/House-of-the-Rising-Son-Dark-Hunter-22-5-The-Entire-Dark-Hunterverse-28-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.myhome.cx/1624627627624627/The-Dark-Hunters-Vol-2-Dark-Hunter-Manga-2-by-Sherrilyn-Kenyon.pdf
    • http://weisncio.my

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