Malicious PDF — malware analysis report

Static analysis result for SHA-256 fcce6e8821742284…

MALICIOUS

PDF

41.6 KB Created: 2020-12-18 23:42:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 0dd8486a4933d8dbf56438581cb81d6a SHA-1: 84bb270d5e3eedc3fd724d13a8bf4f267f2980b0 SHA-256: fcce6e882174228423a1c2270d3b0ba66175a1ff9a59b978e4ef6b6242cbe743
134 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains heuristics indicating it is a phishing lure, specifically using an SEO redirector to disguise the malicious intent. The embedded URL points to a domain that is likely part of a phishing campaign, aiming to trick users into downloading a payload. The ClamAV detection further confirms its malicious nature as a phishing trojan.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5819

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://traffnew.ru/aws?utm_term=polycom+user+guide PDF link annotation
    • https://burakobid.weebly.com/uploads/1/3/4/6/134602904/8e113380ebc.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4482671/normal_5fbc5a8eb2d5b.pdfIn PDF document text
    • https://fixasamajiwige.weebly.com/uploads/1/3/4/3/134318971/vuwagixo_jujatuja_mofukir_xajefawosepaj.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412195/normal_5f9bb155c8b86.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4387711/normal_5fd8fbafd49d4.pdfIn PDF document text
    • https://s3.amazonaws.com/zumezeviwakiz/context_clues_worksheets_6th_grade.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc0c1ca2bbd74065805c248/t/5fc164f36457125654706b11/1606509811684/once_more_to_the_lake_questions.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9a15fc38-9972-4e83-856c-b433da5b70c0/university_club_san_diego.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/48e9bf44-d4bf-49d2-b5a1-d586666e2714/tuvudotunejoga.pdfIn PDF document text

Related samples 2

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