Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0a024e8bb18fb99…

MALICIOUS

PDF

17.4 KB Created: 2020-03-14 00:17:02 +00:00 Authoring application: mPDF 5.7
MD5: 273020318750a1e78922b0b20f74abe2 SHA-1: e3442c7af5e1e8e56f694379337e1a69d716318d SHA-256: f0a024e8bb18fb99c8a62707e0347e4314292e844fab9a96cee3cdaabf892689
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, identified as a 'PDF_SEO_LINK_FARM' heuristic. The primary purpose appears to be to redirect users to a multitude of external PDF files hosted on the 'ieuicufioao.myhome.cx' domain. This is a common tactic for distributing malware or conducting phishing attacks by overwhelming the user with seemingly legitimate but ultimately malicious links. No scripts were extracted, and the document body was unreadable.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9789

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/2554551552551550/Viagem-Roda-do-Meu-Nome-by-Alice-Vieira.pdf
    • http://ieuicufioao.myhome.cx/8553555558559558/Um-Fio-De-Fumo-Nos-Confins-Do-Mar-by-Alice-Vieira.pdf
    • http://ieuicufioao.myhome.cx/6556550552551550/A-Sombra-Alastra-A-Roda-do-Tempo-4-by-Robert-Jordan.pdf
    • http://ieuicufioao.myhome.cx/4558550559550559/The-Gnome-From-Nome-by-Stephen-Cosgrove.pdf
    • http://ieuicufioao.myhome.cx/4559556550551553/Balto-The-Dog-Who-Saved-Nome-by-Margaret-Davidson.pdf
    • http://ieuicufioao.myhome.cx/4553553557557/O-Nome-do-Vento-A-Cr-nica-do-Matador-do-Rei-1-by-Patrick-Rothfuss.pdf
    • http://ieuicufioao.myhome.cx/9555550550559557/Greta-Garbo-A-Cinematic-Legacy-by-Mark-A-Vieira.pdf
    • http://ieuicufioao.myhome.cx/1550550554550557556/Die-Predigt-Des-Heiligen-Antonius-An-Die-Fische-by-Ant-nio-Vieira.pdf
    • http://ieuicufioao.myhome.cx/3558553557553557/A-ltima-Viagem-do-Lusitania-by-Erik-Larson.pdf
    • http://ieuicufioao.myhome.cx/1550553553558553550/The-Green-Thread-Dialogues-with-the-Vegetal-World-by-Patr-cia-Vieira.pdf
    • http://ieuicufioao.myhome.cx/5556559550559556/The-Real-Life-of-Domingos-Xavier-by-Jos-Luandino-Vieira.pdf
    • http://ieuicufioao.myhome.cx/1551558555558559551/Hist-ria-do-Novo-Nome-A-Amiga-Genial---segundo-volume-by-Elena-Ferrante.pdf
    • http://ieuicufioao.myhome.cx/4551552554555551/Viagem-a-Praga-no-Tempo-da-Ditadura-by-Dulce-Rodrigues.pdf
    • http://ieuicufioao.myhome.cx/8553555559553556/Os-Confins-da-Terra-Uma-Viagem-na-V-spera-do-S-culo-21-by-Robert-D-Kaplan.pdf
    • http://ieuicufioao.myhome.cx/2557553551555556/Barulho-Uma-viagem-pelo-underground-do-Rock-Americano-by-Andr-Barcinski.pdf
    • http://ieuicufioao.myhome.cx/5556558557558554/Viagem-ao-Centro-da-Terra-Adapta-o-do-Romance-de-J-lio-Verne-by-Jules-Verne.pdf
    • http://ieuicufioao.myhome.cx/1550557553552555553/Alice-in-Wonderland-Le-avventure-d-Alice-nel-Paese-delle-Meraviglie-by-Lewis-Carroll.pdf
    • http://ieuicufioao.myhome.cx/2552553553557554/Today-I-m-Alice-a-memoir-of-multiple-personality-disorder-by-Alice-Jamieson.pdf
    • http://ieuicufioao.myhome.cx/7557550559557555/Alice-s-Adventures-in-Wonderland-and-Through-the-Looking-Glass-and-What-Alice-Found-There-by-Lewis-Carroll.pdf
    • http://ieuicufioao.myhome.cx/4553559557552551/The-Annotated-Alice-Alice-s-Adventures-in-Wonderland-and-Through-the-Looking-Glass-by-Lewis-Carroll.pdf
    • http://ieuicufioao.myhome.cx/555