Malicious PDF — malware analysis report

Static analysis result for SHA-256 677f023bfd722df9…

MALICIOUS

PDF

49.2 KB Created: 2020-12-17 21:34:05 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 22e129cdb3064b938a38fbb0ae14bb98 SHA-1: ee76b676e3f56245c003cb99778f1fb37031762f SHA-256: 677f023bfd722df929ad825080cc5efaa940d88c26bc5b3129451d1a75ac9c4c
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 image to redirect users to a malicious URL. The ClamAV detection and ML classifier further support its malicious nature. The embedded URL points to a redirector that likely serves a malicious payload, consistent with a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6307

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 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=acute+pancreatitis+treatment+guidelines+2017 PDF link annotation
    • https://s3.amazonaws.com/lukepepe/lothrop_elementary_school_omaha_ne.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fc79748a4d75e5252f58d01/t/5fd61c06267c8d0ace3e17ad/1607867399139/devirimazefa.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/52c41b09-f3b7-45b9-9c38-abf96786d544/fidaxogup.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/fb6cff97-fd27-43c1-b4e4-aed082ddd2b0/2008_audi_a4_2.0t_quattro_owners_manual.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8912df4d-5f13-4054-ade3-8ecb9cb3f379/8412505344.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbe1015e6d49a06bb58c3f9/1606291477746/formato_de_balance_de_comprobacion.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/c16f3f03-c0da-47fb-b08a-10b2488337bd/sketch_up_google_com.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbcf214edabee7b440664ba/1606218261172/belleza_y_estetica_en_espana.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbffc42bda9c57a97b92422/t/5fc157d34f9837572011ac1f/1606506451744/sijupejofawezonavaduziz.pdfIn PDF document text
    • https://static1.squarespace.com/static/5fbce344be7cfc36344e8aaf/t/5fbdee8f7acac6192a85522c/1606282898135/mojifuxipanebiwinovuxes.pdfIn PDF document text
    • https://s3.amazonaws.com/fadupazageraf/28868454990.pdfIn PDF document text

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