Malicious PDF — malware analysis report

Static analysis result for SHA-256 8b8fe54f52e74ba6…

MALICIOUS

PDF

18.2 KB Created: 2020-03-18 16:56:10 +00:00 Authoring application: mPDF 5.7
MD5: c85be976b4d650747bcbc8aa01c2489a SHA-1: dc929d3c3f59bbfd07549179e40723b923b22ab0 SHA-256: 8b8fe54f52e74ba6f2d528b3070fb7ed4816ea766d92c09a3150b17f26c5e2fa
90 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell

The PDF contains a large number of embedded links pointing to external PDF files hosted on the domain 'ieuicufioao.myhome.cx'. This behavior is indicative of a link farm or a mechanism to distribute malicious content. The ML classifier strongly flagged this PDF as malicious. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

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://ieuicufioao.myhome.cx/3555559557558558/The-Singapore-School-of-Villainy-Inspector-Singh-Investigates-3-by-Shamini-Flint.pdf
    • http://ieuicufioao.myhome.cx/3553554551553556/The-Singapore-School-of-Villainy-Inspector-Singh-Investigates-3-by-Shamini-Flint.pdf
    • http://ieuicufioao.myhome.cx/1551557553553551/A-Bali-Conspiracy-Most-Foul-Inspector-Singh-Investigates-2-by-Shamini-Flint.pdf
    • http://ieuicufioao.myhome.cx/6556558558550555/A-Curious-Indian-Cadaver-Inspector-Singh-Investigates-5-by-Shamini-Flint.pdf
    • http://ieuicufioao.myhome.cx/2551550558554554/A-Bali-Conspiracy-Most-Foul-Inspector-Singh-Investigates-2-by-Shamini-Flint.pdf
    • http://ieuicufioao.myhome.cx/4558554556553550/Ten-by-Shamini-Flint.pdf
    • http://ieuicufioao.myhome.cx/3553554556559558/Sasha-visits-the-Maldives-by-Shamini-Flint.pdf
    • http://ieuicufioao.myhome.cx/5551552558556552/Singapore-The-Making-of-a-Nation-State-1300-1975-by-Curriculum-Planning-amp-Development-Division-Ministry-of-Education-Singapore.pdf
    • http://ieuicufioao.myhome.cx/1550558557554554/I-Love-My-Haunted-School-the-Origins-I-Love-My-Haunted-School-1-by-Harshdip-Singh-Deogan.pdf
    • http://ieuicufioao.myhome.cx/7557554553558552/Inspector-Hobbes-and-the-Blood-Inspector-Hobbes-and-the-Curse-Inspector-Hobbes-and-the-Gold-Diggers-Unhuman-1-3-by-Wilkie-Martin.pdf
    • http://ieuicufioao.myhome.cx/6556558557559557/Ranjit-Singh-Maharajah-Of-The-Punjab-by-Khushwant-Singh.pdf
    • http://ieuicufioao.myhome.cx/3559552551558550/Villainy-by-John-Anglin.pdf
    • http://ieuicufioao.myhome.cx/5556550551556550/The-Chief-Inspector-s-Daughter-Inspector-Quantrill-2-by-Sheila-Radley.pdf
    • http://ieuicufioao.myhome.cx/4556555556550552/Villainy-Victorious-Mission-Earth-9-by-L-Ron-Hubbard.pdf
    • http://ieuicufioao.myhome.cx/5559557557/Because-You-Love-to-Hate-Me-13-Tales-of-Villainy-by-Amerie.pdf
    • http://ieuicufioao.myhome.cx/6550556550551555/Naked-Villainy-Antony-Maitland-48-by-Sara-Woods.pdf
    • http://ieuicufioao.myhome.cx/1555558555550552/An-Act-of-Villainy-Amory-Ames-Mystery-5-by-Ashley-Weaver.pdf
    • http://ieuicufioao.myhome.cx/6556558558550553/The-Collected-Short-Stories-of-Khushwant-Singh-by-Khushwant-Singh.pdf
    • http://ieuicufioao.myhome.cx/6556558558550554/The-Selected-Works-Of-Bhagat-Singh-by-Bhagat-Singh.pdf
    • http://ieuicufioao.myhome.cx/3557556555556553/Inspector-West-Takes-Charge-Inspector-West-1-by-John-Creasey.pdf
    • http://ieuicufioao.myhome.cx/1550558557554554/I-Love-My-Haunted-School-the-Origins-I-Love-M

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