Malicious PDF — malware analysis report

Static analysis result for SHA-256 bb840af6d61686d2…

MALICIOUS

PDF

16.6 KB Created: 2020-11-06 20:31:53 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 861a5a3edf73df1300b66b5ee00fc37d SHA-1: 207e8a2f3b14320ffcce0ba6f0362544cca86328 SHA-256: bb840af6d61686d27c084cd29d40239bf84f3cf2e73b66e6f740349693e5fb45
74 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a lure related to 'Star Trek Online' and embeds a URL that redirects to a malicious site. This suggests a phishing attempt to lure users to a compromised or malicious domain. No scripts were extracted from this sample, limiting further analysis of its behavior.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9913

Heuristics 3

  • 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://traffset.ru/aws?keyword=star+trek+online+guide+pdf PDF link annotation

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