Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e4995275d82a730…

MALICIOUS

PDF

36.7 KB Created: 2021-03-25 05:53:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 31f50863c2ad860cb738c56a1593f76f SHA-1: e559e188dee0abb60a41d6edb9568ea7b78920b7 SHA-256: 0e4995275d82a73016b453c0c490c85c5d24360a6dd304e87a092447f146357c
154 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing or malware delivery. It contains a clickable link disguised as a download, directing users to 'https://baarspo.ru/award?keyword=equations+of+motion+problems+and+solutions+pdf'. This URL is likely the initial point of contact for a malicious payload or phishing page. ClamAV also detected this as 'Pdf.Phishing.Trojan'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6329

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
  • 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.
  • 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 36 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://baarspo.ru/award?keyword=equations+of+motion+problems+and+solutions+pdf PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4450734/normal_600d63965aa66.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4425784/normal_5fd088daab9be.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4456166/normal_5fc694062e0f1.pdfIn PDF document text
    • http://finomimetafix.sportsontheweb.net/53809355817.pdfIn PDF document text
    • http://xafesuvorolivig.scienceontheweb.net/technical_analysis_explained_fifth_edition.pdfIn PDF document text
    • https://s3.amazonaws.com/kavifIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

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