Malicious PDF — malware analysis report

Static analysis result for SHA-256 58ebc667c5a953ba…

MALICIOUS

PDF

40.8 KB Created: 2021-03-26 10:06:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9cc99604c6a78b33c3c05211111facc7 SHA-1: 69e34d79f03f52ba86b49171ecb8fbb44027b260 SHA-256: 58ebc667c5a953bac916af6971f5ab3cf9db96c369cad021548d7c20633d234f
114 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF exhibits characteristics of a phishing lure, including being image-only with a clickable action pointing to an external URL. The ML classifier and ClamAV detection strongly indicate malicious intent. The embedded URL likely leads to a phishing page or a further stage of malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8621

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 40 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://zajinet.ru/award?keyword=nursery+school+curriculum+pdf
    • https://cdn.sqhk.co/naveropifo/jbSBjgY/51743874694.pdf
    • https://cdn-cms.f-static.net/uploads/4376610/normal_6014e5f1cf8eb.pdf
    • https://cdn-cms.f-static.net/uploads/4421473/normal_603e50790aac0.pdf
    • https://cdn-cms.f-static.net/uploads/4366350/normal_6051440aaf302.pdf
    • https://cdn.sqhk.co/solaxutom/jchzrhh/auctionzip_mobile_ky.pdf
    • https://cdn-cms.f-static.net/uploads/4365620/normal_601cae114d380.pdf
    • http://maturibcgj.space/105735669814090v.pdf
    • https://cdn.sqhk.co/siboxowimu/fgh4jgl/65644132141.pdf
    • http://qrastenmap.online/sociology_journal_free_downloadw2wab.pdf
    • https://cdn-cms.f-static.net/uploads/4382952/normal_602744d614271.pdf
    • https://cdn-cms.f-static.net/uploads/4446036/normal_6013bf141c791.pdf
    • https://cdn-cms.f-static.net/uploads/4408879/normal_603d03a2d42df.pdf
    • https://cdn.sqhk.co/jolodovi/lgfhgVG/kumaselogoponaxoz.pdf
    • http://sodalabs.pro/lipirisveui7.pdf
    • http://de-bewertung-889562.icu/attendance_management_solution_x100c3sx6k.pdf
    • http://alkostore.xyz/3743770359nbn49.pdf
    • https://8d275f60-8e36-4e70-8574-b6d542a617c4.filesusr.com/ugd/dbf6c2_d3811c23fe934274acc750672b792990.pdf?index=true
    • https://uploads.strikinglycdn.com/files/cfeb3c28-cdbb-4c04-aec5-d63f79b2bdc9/13404167204.pdf
    • https://uploads.strikinglycdn.com/files/0773e273-afea-44be-afe8-a5c760b2f732/how_much_is_a_transmission_leak_repair.pdf
    • https://de2a8dfc-dc8d-4d62-be3b-f97abdd17bf6.filesusr.com/ugd/c722c2_1f3f211de1f9491fb153e43118c10a16.pdf?index=true

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