Malicious PDF — malware analysis report

Static analysis result for SHA-256 cc17d50ef6db4f30…

MALICIOUS

PDF

50.6 KB Created: 2021-01-23 13:20:58 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 57ffb0db85bb7f46f975f7a86fbccdf3 SHA-1: 77ff65a620f4d0641c0aac72bb2e3d79346028b9 SHA-256: cc17d50ef6db4f30679116deffc9e7305226024b8613c85ad8fda5d63618a9a0
194 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file exhibits characteristics of a phishing lure, specifically using a 'free movie download' theme to entice users. It contains numerous external links, many of which point to an SEO redirector. The presence of a critical heuristic firing for PDF_SEO_LINK_FARM and PDF_SEO_UTM_REDIRECTOR_LINK, along with ClamAV detection as Pdf.Phishing.Trojan, strongly suggests malicious intent. While no scripts were explicitly extracted, the PDF structure and linked URLs indicate a likely attempt to redirect users to malicious sites for further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9591

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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.
  • 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://jacksth.ru/aws?utm_term=ba+pass+movie+free++720p PDF link annotation
    • https://site-1174236.mozfiles.com/files/1174236/64810631833.pdfIn PDF document text
    • https://site-1176487.mozfiles.com/files/1176487/43370647857.pdfIn PDF document text
    • https://cdn.sqhk.co/nomitusibop/ejdy2TP/bolejag.pdfIn PDF document text
    • https://rakonudiboxenej.weebly.com/uploads/1/3/4/8/134874851/getavo-zigimolipekedo-sobaxatag.pdfIn PDF document text
    • https://site-1177469.mozfiles.com/files/1177469/donafuniz.pdfIn PDF document text
    • https://site-1248937.mozfiles.com/files/1248937/80277820770.pdfIn PDF document text
    • https://cdn.sqhk.co/kafexobesa/gjfPrQL/jebekugumagepewevirebat.pdfIn PDF document text
    • https://rowusebejaron.weebly.com/uploads/1/3/1/6/131637242/1cada30.pdfIn PDF document text
    • https://wakaxizuso.weebly.com/uploads/1/3/5/3/135322555/5361542.pdfIn PDF document text
    • https://cdn.sqhk.co/bafesugoguwi/iiijggj/president_museveni_s_last_speech_on_covid_19.pdfIn PDF document text
    • https://cdn.sqhk.co/riragimi/ggjgPjf/farming_simulator_14_apk_download_uptodown.pdfIn PDF document text
    • https://cdn.sqhk.co/dalubevemex/o6ij2pb/72911292015.pdfIn PDF document text
    • https://s3.amazonaws.com/fenatagazise/co_op_games_for_couples_android.pdfIn PDF document text
    • https://s3.amazonaws.com/rozebofukixus/email_extractor_pro.pdfIn PDF document text
    • https://s3.amazonaws.com/kulinisokakewi/67174388756.pdfIn PDF document text
    • https://s3.amazonaws.com/bikikanafopavu/mensa_brain_teasers_with_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/buxoparadazegu/lunidanalolurirubivo.pdfIn PDF document text
    • https://s3.amazonaws.com/sojebelevenex/binder_driver_in_android.pdfIn PDF document text
    • https://s3.amazonaws.com/sezewu/butterfly_keyboard_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/desenaz/20513868342.pdfIn PDF document text

Related samples 8

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