Malicious PDF — malware analysis report

Static analysis result for SHA-256 c77ef413c2f82039…

MALICIOUS

PDF

74.6 KB Created: 2021-07-12 20:09:25 +03:00 Authoring application: Rose Ruiz (via Earl Parker Jr. Sr. I II III IV V MD DDS PhD DVM) First seen: 2026-06-04
MD5: 6c0d26e62788aa16d160694b057f9d99 SHA-1: e2d2acd4be01c20e38f94f7e6145c30e469d70da SHA-256: c77ef413c2f82039fccf61701f124083972ac37efad405afa3802d1f8b1f4df0
72 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, containing a single non-reputable link. This suggests the document's primary purpose is to deceive the user into visiting a malicious website. No scripts were extracted, and the document body was heavily truncated and unreadable, limiting further analysis of the specific lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6937

Heuristics 3

  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 74 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://hefvfjkvb-hefvfjkvb.sed.safeandsecuretablet.com In PDF document text