Malicious PDF — malware analysis report

Static analysis result for SHA-256 659c00c6cc164d19…

MALICIOUS

PDF

42.1 KB Created: 2021-02-25 02:07:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 17f176f379f2cff1c40dee8ba77119a6 SHA-1: dab017cf35ec2e50fc7610b9b339c19bf30100eb SHA-256: 659c00c6cc164d1954b0f095a1f228781302b1889a2043903f69a6bcae658fdf
192 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a link disguised as a search result for 'how to clean rowenta steam expert iron', which redirects to a malicious URL. Heuristics indicate this is a redirector link used for phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded link strongly suggest an attempt to trick the user into navigating to a malicious domain.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5748

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
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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.
  • 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://crophysi.ru/award?keyword=how+to+clean+rowenta+steam+expert+iron In PDF document text

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