Malicious PDF — malware analysis report

Static analysis result for SHA-256 9279ee0c09c88684…

MALICIOUS

PDF

49.6 KB Created: 2021-01-30 13:55:18 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 8915598c6a2a92a399e46d918481b076 SHA-1: cc6c5cbb58d96ffda7927edfe07e3b586e81f43e SHA-256: 9279ee0c09c88684790d489bd56a2bfa158fec8ec6839d34a4550a25ffbaabd4
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains heuristics indicating it's a phishing lure, specifically using an image to redirect users to a malicious URL. The ClamAV detection and ML classifier further support its malicious nature. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool often used to create malicious PDFs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7460

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
    PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
  • 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://jottigo.ru/aws?utm_term=african+hits+2018 PDF link annotation
    • http://milanbeachs.space/road_trip_travel_planner_freesvnuo.pdfIn PDF document text
    • http://oneitshop.info/losifobogufazaus4hn.pdfIn PDF document text
    • http://iblack.space/29369057916izir2.pdfIn PDF document text
    • http://igrarazuma.info/free_pc_music_studio_software_download3hzn5.pdfIn PDF document text
    • https://cdn.sqhk.co/kixobaza/tidshdN/19064020957.pdfIn PDF document text
    • http://big-ita.space/bukerofurejers34du.pdfIn PDF document text
    • http://nuverlites.online/jirodcc0nh.pdfIn PDF document text
    • https://cdn.sqhk.co/lituxopevuk/pigVG8N/xitefiviwalirateko.pdfIn PDF document text
    • http://liketime.fun/ink_master_hosts7g80a.pdfIn PDF document text
    • http://freedate18.xyz/648378593674iokj.pdfIn PDF document text
    • https://cdn.sqhk.co/rujiwujik/hb14mzy/boogie2988_flappy_bird.pdfIn PDF document text
    • http://volitiwil.epizy.com/30040901716.pdfIn PDF document text
    • http://xazinipigoxowe.epizy.com/tratamiento_anaerobio_de_aguas_residuales.pdfIn PDF document text
    • https://s3.amazonaws.com/besafefaf/gelegodowaxevowisoratel.pdfIn PDF document text
    • https://s3.amazonaws.com/sebunuzu/41585373822.pdfIn PDF document text
    • https://s3.amazonaws.com/tarizirefevifab/tosanebefurabiduku.pdfIn PDF document text
    • https://s3.amazonaws.com/kudufigunabi/crushed_velvet_bed_sheets_single.pdfIn PDF document text

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