Malicious PDF — malware analysis report

Static analysis result for SHA-256 182f230fe42e5401…

MALICIOUS

PDF

41.6 KB Created: 2021-02-07 08:54:22 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-05
MD5: 3c943440428b52f5429c5c5af643deba SHA-1: 4673ace32bdec4ec67c059c64690dd2ba2105dd6 SHA-256: 182f230fe42e540192b1e179c85c36523d51453c8d616ab7b32c1a94350ae1f3
134 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a high-priority heuristic indicating it is a lure for free downloads, linking to an SEO redirector. The embedded URL, 'https://baarspo.ru/aws?utm_term=facebook+lite+messenger++9apps', is likely part of a phishing or malware distribution scheme. While no scripts were explicitly extracted, the PDF structure and URL suggest a malicious intent to redirect users to a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5579

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://baarspo.ru/aws?utm_term=facebook+lite+messenger++9apps PDF link annotation

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