Malicious PDF — malware analysis report

Static analysis result for SHA-256 fa37593560bf5375…

MALICIOUS

PDF

20.5 KB Created: 2020-02-05 12:33:10 +00:00 Authoring application: mPDF 5.7
MD5: 0ab7218b41f3723c46305435e8a9f436 SHA-1: 6ac9b88ce0036118677d6b3c6824c35ee3c00c66 SHA-256: fa37593560bf53752bb70ce5a72a615847ad742a65f6835285d2c34195e96b1f
90 Risk Score

Malware Insights

MITRE ATT&CK
T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains a large number of embedded links, as indicated by the PDF_SEO_LINK_FARM heuristic. The ML classifier also flagged this PDF as malicious with high confidence. The embedded links, such as http://calistazz.myhome.cx/8860864861862860/Winter-Is-Coming-with-audio-recording-by-Tony-Johnston.pdf, likely lead to malicious content or further stages of an attack. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9924

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://calistazz.myhome.cx/8860864861862860/Winter-Is-Coming-with-audio-recording-by-Tony-Johnston.pdf
    • http://calistazz.myhome.cx/8862863864865860/The-Complete-and-Unabridged-Recording-of-The-Lord-of-The-Rings-38-Audio-Cassettes-by-J-R-R-Tolkien.pdf
    • http://calistazz.myhome.cx/7863863866862867/The-Harmonica-by-Tony-Johnston.pdf
    • http://calistazz.myhome.cx/3868862861862865/The-Soup-Bone-by-Tony-Johnston.pdf
    • http://calistazz.myhome.cx/1863864866862863/A-Small-Thing-but-Big-by-Tony-Johnston.pdf
    • http://calistazz.myhome.cx/1861868861862866866/Alien-amp-Possum-Hanging-Out-by-Tony-Johnston.pdf
    • http://calistazz.myhome.cx/1868864863862861/The-Ghost-of-Nicholas-Greebe-by-Tony-Johnston.pdf
    • http://calistazz.myhome.cx/2867860861864862/The-Coldest-Winter-by-Antony-Johnston.pdf
    • http://calistazz.myhome.cx/1860866865869863864/The-Benn-Tapes-2-The-Audio-Diaries-of-Tony-Benn-by-Tony-Benn.pdf
    • http://calistazz.myhome.cx/8869867860864868/Levi-Strauss-Gets-a-Bright-Idea-A-Fairly-Fabricated-Story-of-a-Pair-of-Pants-by-Tony-Johnston.pdf
    • http://calistazz.myhome.cx/2864864861869864/Night-Noises-And-Other-Mole-And-Troll-Stories-Mole-and-Troll-3-by-Tony-Johnston.pdf
    • http://calistazz.myhome.cx/1861867866865864868/Prosawerke-in-Einzelausgaben-Audio-CDs-Teil-9-Lilienthal-1801-2-Audio-CDs-by-Arno-Schmidt.pdf
    • http://calistazz.myhome.cx/2860868869869860/Bone-by-Bone-by-Bone-by-Tony-Johnston.pdf
    • http://calistazz.myhome.cx/9864869866860864/Touchstone-Class-Audio-CDs-1-Class-Audio-CDs-L1-Pack-4-by-Michael-J-McCarthy.pdf
    • http://calistazz.myhome.cx/4867867862860867/Here-There-and-Everywhere-My-Life-Recording-the-Music-of-The-Beatles-by-Geoff-Emerick.pdf
    • http://calistazz.myhome.cx/7865865868864865/iTake-Over-The-Recording-Industry-in-the-Digital-Era-by-David-Arditi.pdf
    • http://calistazz.myhome.cx/4869868862861863/Bootleg-The-Secret-History-of-the-Other-Recording-Industry-by-Clinton-Heylin.pdf
    • http://calistazz.myhome.cx/7864866869868/The-Art-of-Mixing-A-Visual-Guide-to-Recording-Engineering-and-Production-by-David-Gibson.pdf
    • http://calistazz.myhome.cx/8869864862863866/The-Adventures-of-Charlie-and-Mr-Willy-Wonka-A-Fully-Dramatized-Recording-by-Roald-Dahl.pdf
    • http://calistazz.myhome.cx/4869867860864865/The-Recording-Angel-Music-Records-and-Culture-from-Aristotle-to-Zappa-by-Evan-Eisenberg.pdf
    • http://calistazz.myhome.cx/886986

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