Malicious PDF — malware analysis report

Static analysis result for SHA-256 cf47583dc7db8837…

MALICIOUS

PDF

17.8 KB Created: 2020-03-19 03:47:58 +00:00 Authoring application: mPDF 5.7
MD5: dfb06693c9e25762bce06da0dac90c35 SHA-1: 7d5335f7203dfef1a3320dade75d93baeaf32f67 SHA-256: cf47583dc7db8837d5bd58d4311ad9fbac0ceac86c9b0fe41fd78223b87a8186
90 Risk Score

Malware Insights

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

The PDF file contains a large number of embedded links pointing to external PDF documents hosted on the domain 'kitasdyu.myhome.cx'. This behavior is indicative of a link farm or a distribution point for further malicious content. The ML classifier strongly supports the malicious verdict. The document body is heavily obfuscated, preventing a clear understanding of its specific lure, but the presence of numerous external links is the primary indicator of malicious intent.

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://kitasdyu.myhome.cx/4871870874873/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/3872872875875/The-Sea-of-Monsters-Percy-Jackson-and-the-Olympians-2-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/2874870874874870/Percy-Jackson-and-the-Lightning-Thief-Percy-Jackson-and-the-Olympians-1-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/2879873879871874/Percy-Jackson-and-the-Olympians-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/8873877875870/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/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/1870879877876874874/The-Battle-of-the-Labyrinth-Percy-Jackson-and-the-Olympians-4-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/4878870873871/The-Lightning-Thief-Percy-Jackson-and-the-Olympians-1-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/2877874874871876/The-Battle-of-the-Labyrinth-Percy-Jackson-and-the-Olympians-4-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/4874879873870/The-Battle-of-the-Labyrinth-Percy-Jackson-and-the-Olympians-4-by-Rick-Riordan.pdf
    • http://kitasdyu.myhome.cx/3872879878874870/Percy-Jackson-and-the-Olympians-List-of-Percy-Jackson-and-the-Olympians-Characters-by-Books-LLC.pdf

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