Malicious PDF — malware analysis report

Static analysis result for SHA-256 f1a1ea1740cdfd94…

MALICIOUS

PDF

12.9 KB Created: 2020-03-18 16:51:03 +00:00 Authoring application: mPDF 5.7
MD5: d8f3de58ff505434641333b09b6b6a30 SHA-1: f5befe939361c104a515801b16b6a4e471a4af09 SHA-256: f1a1ea1740cdfd947cbabb2bb6a40836ba23fb83886229bdfbb63afea565ace3
90 Risk Score

Malware Insights

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

The PDF file was flagged by a machine learning classifier as malicious and contains a large number of embedded links. These links point to external PDF files hosted on the domain 'calistazz.myhome.cx', suggesting a link farm or redirection scheme. The primary attack pattern involves luring users to click these links, which likely lead to further malicious content or downloads. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9006

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/2864860864861868/Sea-of-Poppies-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/2863860861860864/Sea-of-Poppies-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/9864865/Flood-of-Fire-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/1860861862865863/River-of-Smoke-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/1868864861864861/The-Glass-Palace-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/2860865862869864/The-Glass-Palace-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/3863869868861863/The-Hungry-Tide-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/7864865864861/The-Glass-Palace-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/1869867864862861/The-Hungry-Tide-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/1868862868866862/Sea-of-Poppies-Ibis-Trilogy-1-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/3865868866867/Sea-of-Poppies-Ibis-Trilogy-1-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/4869860866865860/Amitav-Ghosh-s-The-Shadow-Lines-by-Novy-Kapadia.pdf
    • http://calistazz.myhome.cx/2862861860864862/River-of-Smoke-Ibis-Trilogy-2-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/3863869868860862/River-of-Smoke-Ibis-Trilogy-2-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/7865863861869/River-of-Smoke-Ibis-Trilogy-Book-2-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/3864861863865861/The-Great-Derangement-Climate-Change-and-the-Unthinkable-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/3863869861861861/The-Calcutta-Chromosome-A-Novel-of-Fevers-Delirium-amp-Discovery-by-Amitav-Ghosh.pdf
    • http://calistazz.myhome.cx/1860864861868867860/Liza-Little-The-Doll-House-by-Ritu-Ghosh.pdf
    • http://calistazz.myhome.cx/1862865862861867/Countdown-by-Michelle-Rowen.pdf
    • http://calistazz.myhome.cx/1860867869862863864/Countdown-The-Liberators-by-Tom-Kratman.pdf
    • http://calistazz.myh

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