Malicious PDF — malware analysis report

Static analysis result for SHA-256 9430e0af2095e776…

MALICIOUS

PDF

27.3 KB Created: 2021-05-28 16:36:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: b2384475c451a725e448ec4ae4f8ba68 SHA-1: 688973c5d16ddddffe6bc4eecad5d603f6615f9f SHA-256: 9430e0af2095e776cf5e26120b253bf1a88f0dd48937e7d6ce1fbc174e7c58bc
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing. It contains a clickable link disguised within an image, which redirects through a URL shortener. This suggests the document's primary purpose is to lead the user to a malicious website, likely for credential harvesting or further malware delivery.

Machine Learning

  • Nyx PDF Classifier clean score 0.0055

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 27 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://bezplat.page.link/Go5a In PDF document text
    • http://www.microsoft.com/typographyMicrosoftIn PDF document text
    • http://www.microsoft.com/typography/fonts/In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000057bc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x57BC 6172 bytes
SHA-256: f76d8fdf7e7eb0aee298ecc0766e8cc4ad17d35dd764cc955751b434fc4b91ad

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