Malicious PDF — malware analysis report

Static analysis result for SHA-256 c80ed5d98a965ca9…

MALICIOUS

PDF

22.3 KB Created: 2021-05-28 10:35:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: d7c0ecf2bde9802249231dbc44fde585 SHA-1: 2ce3fbe32379865e6cb507c13224a5ea5bf09043 SHA-256: c80ed5d98a965ca95dbc4a403c6e8b60d2b40d8b33678c576bae1f477f6d531a
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing or malware delivery. It contains a link to a URL shortener, which is a common technique to obscure the final destination. While the document body is largely unreadable due to its image-based nature, the heuristics strongly indicate a malicious intent to redirect the user via the provided shortener URL.

Machine Learning

  • Nyx PDF Classifier clean score 0.1174

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 1 image(s), only 0 text block(s), carries a click-outward action, and is only 22 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://svimn.page.link/XDMv 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_off00003aea.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3AEA 15748 bytes
SHA-256: b754b293910fc481f1045a7ad13cd835d83c618ec2c6b389a03e38b79f803901

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