Malicious PDF — malware analysis report

Static analysis result for SHA-256 59522dd4a1349b3f…

MALICIOUS

PDF

35.1 KB Created: 2022-03-16 23:10:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2026-06-13
MD5: 388e22a38db6b3d597875d5309428767 SHA-1: 8104b8e5ea1934b99035ce003374c16921782c2b SHA-256: 59522dd4a1349b3f8818c5c6bf8754e79db734bd85d65b6aef94e6a7459e5183
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as malicious by multiple heuristics and a machine learning classifier, specifically flagging it as a phishing lure. It contains an embedded URL that redirects to a suspicious domain, likely intended to trick users into downloading further malware or submitting credentials. The file's structure suggests it is designed to appear as a legitimate document but hides a malicious link.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6001

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 2 image(s), only 0 text block(s), carries a click-outward action, and is only 35 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://ragaz.co.za/XSRYdR1H?utm_term=system+analysis+and+project+management+pdf PDF link annotation

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