Malicious PDF — malware analysis report

Static analysis result for SHA-256 d4ab3e55fd5a5e74…

MALICIOUS

PDF

17.0 KB Created: 2020-03-19 03:48:15 +00:00 Authoring application: mPDF 5.7
MD5: fad9db85d04d5abaacc80d0c4c4e2ec8 SHA-1: e700857db7631f7c70b09d6ffd8c1e3482e7be5e SHA-256: d4ab3e55fd5a5e74ad18e2ee7c52a2d6cc2d9924bea95bc292c621b08b0a0edf
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment

The PDF file contains a large number of embedded URLs pointing to a single domain, kitasdyu.myhome.cx, which is indicative of a link farm or redirection scheme. The ML classifier also flagged this PDF as malicious. The primary attack pattern observed is the distribution of numerous links, likely to host malicious content or phishing pages, disguised as book downloads.

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://kitasdyu.myhome.cx/4878870873871/The-Lightning-Thief-Percy-Jackson-and-the-Olympians-1-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/2879877872876878/The-Lightning-Thief-Percy-Jackson-and-the-Olympians-1-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/2874870874874870/Percy-Jackson-and-the-Lightning-Thief-Percy-Jackson-and-the-Olympians-1-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/7873871879871878/Percy-Jackson-and-the-Lightning-Thief-Book-1-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/3874875876876/Percy-Jackson-and-the-Olympians-Boxed-Set-Percy-Jackson-and-the-Olympians-1-5-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/9870873877872872/Percy-Jackson-and-the-Olympians-The-Percy-Jackson-Coloring-Book-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/2879873879871874/Percy-Jackson-and-the-Olympians-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/3872872875875/The-Sea-of-Monsters-Percy-Jackson-and-the-Olympians-2-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/8875878876876/The-Sea-of-Monsters-Percy-Jackson-and-the-Olympians-2-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/8873877875870/The-Last-Olympian-Percy-Jackson-and-the-Olympians-5-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/3870877874871871/The-Last-Olympian-Percy-Jackson-and-the-Olympians-5-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/2877870873875871/The-Last-Olympian-Percy-Jackson-and-the-Olympians-5-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/4871870874873/The-Sea-of-Monsters-Percy-Jackson-and-the-Olympians-2-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/4875877879870/The-Last-Olympian-Percy-Jackson-and-the-Olympians-5-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/3877875872870871/The-Battle-of-the-Labyrinth-Percy-Jackson-and-the-Olympians-4-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/2877874874871876/The-Battle-of-the-Labyrinth-Percy-Jackson-and-the-Olympians-4-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/8876878870873870/Die-letzte-G-ttin-Percy-Jackson-and-the-Olympians-5-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/8875870870871870/Titaani-needus-Percy-Jackson-and-the-Olympians-3-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/1870879877876874874/The-Battle-of-the-Labyrinth-Percy-Jackson-and-the-Olympians-4-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/4874879873870/The-Battle-of-the-Labyrinth-Percy-Jackson-and-the-Olympians-4-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/3874875876876/Percy-Jackson-and-the-Olympians-Boxed-Set-Percy-Jackson-and-the-Olympians-1-5-by-Rick

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