Malicious PDF — malware analysis report

Static analysis result for SHA-256 f0d0de93cdd80f85…

MALICIOUS

PDF

10.4 KB Created: 2021-08-02 19:42:24 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 8d5e2d06d0f44da1122504864c572698 SHA-1: 8c23ff15bb00929e22f9f6e234bc902ad4be55f6 SHA-256: f0d0de93cdd80f854a92e1e12307db96f31fa98528deb3a2d4988bdd38934282
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed as an image-based lure, presenting a screenshot to hide a clickable action. It contains a single embedded link to a non-reputable host, http://vulmener.infomail222.ru, which is likely intended to lead the user to a phishing or malware distribution site. The ML classifier also flagged this PDF as malicious.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5785

Heuristics 3

  • 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 10 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • Image-only PDF lure with a single link to a non-reputable host medium PDF_IMAGE_LURE_NONREPUTABLE_LINK
    PDF is image-heavy with little real text and its only clickable action is a single external link to a host that is not known-good. This is the canonical malspam carrier shape — a screenshot-like 'click to view' page whose sole purpose is to funnel the victim to one redirect/landing URL on a compromised or throwaway domain. Flagged suspicious rather than malicious because the link alone (no shortener / typosquat / brand path) is the only corroborator beyond the image lure.
  • 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 http://vulmener.infomail222.ru In PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00000f4b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF4B 14752 bytes
SHA-256: 35dcd105017776721c2f67dd0bea8329190d2870b860af290c5c1fd1db60bb3a

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