Malicious PDF — malware analysis report

Static analysis result for SHA-256 6a68c3a35d9cdf7f…

MALICIOUS

PDF

8.6 KB Created: 2021-08-09 21:43:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 87e41a10bb0d1d8eedb1edc5a9f16de6 SHA-1: 11c7ec9c36dfe57a49dbdf8b63b9ff5d6e95427c SHA-256: 6a68c3a35d9cdf7f7001b2b7abd1bb9ac028ac0c7bdc15d23607dd9152457da7
92 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical of phishing campaigns, using a screenshot to hide an actionable element. It contains a link to a URL shortener, which is a common technique to obscure malicious destinations. While the URL shortener itself is marked benign, the overall pattern suggests an attempt to trick the user into clicking through to a potentially harmful site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5533

Heuristics 3

  • Image-only PDF lure links through URL shortener high PDF_IMAGE_LURE_SHORTENER_LINK
    PDF is image-heavy with little real text and its clickable action points to a URL shortener. This is a high-confidence credential-phishing carrier shape: the visible page is a screenshot-like prompt while the destination is hidden behind redirect infrastructure.
  • 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 8 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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://monsher.page.link/6VPQ 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_off00000f0e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF0E 12396 bytes
SHA-256: 9651c78dad64c31681e27aaf77368dfa0aab65a72df78104afb2fc8edab34c59

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