Malicious PDF — malware analysis report

Static analysis result for SHA-256 06159f971a15782b…

MALICIOUS

PDF

75.0 KB Created: 2021-03-01 04:49:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: a2cd5338dadac5ddc072c16f8108d830 SHA-1: 4282f186af43158db1a87d1a1e600600bc3939ff SHA-256: 06159f971a15782b7f141b6020840690d964e367fa1becda5d60d871ba82ca13
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains numerous external links, many with numeric or generic slugs, suggesting a link farm designed to drive traffic to potentially malicious sites. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution. While no scripts were explicitly extracted, the PDF structure and link farm heuristic point towards an attempt to redirect users to malicious content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9674

Heuristics 4

  • 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.
  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 https://jumiwimov.ru/wb?keyword=conan%20exiles%20dungeon%20master%20tools%20guide
    • https://cdn.sqhk.co/nodujugebi/otqjcTA/fuxuludovinagebu.pdf
    • https://cdn.sqhk.co/xaxovowupofa/V6jKJ6h/karaoke_song_hopelessly_devoted_to_you.pdf
    • https://static.s123-cdn-static.com/uploads/4392452/normal_5fcbe257a7309.pdf
    • https://cdn.sqhk.co/tukawezezo/iicjjea/std_10_ekam_kasoti_paper_solution_2020_science.pdf
    • https://cdn-cms.f-static.net/uploads/4489852/normal_6031844824a2b.pdf
    • https://numokupe.weebly.com/uploads/1/3/4/8/134857704/a69f6.pdf
    • https://numeroluxovuz.weebly.com/uploads/1/3/4/7/134733954/beruz.pdf
    • https://gafepodaxo.weebly.com/uploads/1/3/4/6/134606739/tugaxepuze.pdf
    • https://cdn.sqhk.co/lopijikuvi/f0jfidw/sputnik_v_side_effects.pdf
    • https://cdn.sqhk.co/vixukose/hfT9vjg/police_cop_simulator_gang_war_missions.pdf
    • http://konobemozitu.iblogger.org/lupus_nephritis_treatment_guidelines_2019.pdf
    • http://mapovepajosoxub.iblogger.org/how_to_replace_a_battery_in_a_samsung_galaxy_tab_3.pdf
    • http://zaxodeziwepaf.epizy.com/leximikaw.pdf
    • http://fubavinexazixo.onlinewebshop.net/30388838705.pdf
    • http://wovibojo.onlinewebshop.net/the_bounty_hunter_code.pdf

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