Malicious PDF — malware analysis report

Static analysis result for SHA-256 7bb04392de3f7ac3…

MALICIOUS

PDF

22.1 KB Created: 2021-05-28 10:37:32 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: 0a2767222f43157b4cae6a55cbd38fa2 SHA-1: f876b70c16271c3618dcdbda1c13712fb072bfa9 SHA-256: 7bb04392de3f7ac3577a231212e5d5c34805d26e81bffaefe995c996470f3142
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 single embedded URL that utilizes a URL shortener, indicating an attempt to redirect users to a potentially malicious destination. The heuristics strongly suggest this is a phishing attempt, likely delivered as an attachment.

Machine Learning

  • Nyx PDF Classifier clean score 0.1241

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://bezplat.page.link/SJ8D 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_off00003ae9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3AE9 15612 bytes
SHA-256: 9d678c78b91387d26d7f5ae82aac93632440dcaacd76b41e92337532d9639311

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