Malicious PDF — malware analysis report

Static analysis result for SHA-256 93b0357e8ab58cb6…

MALICIOUS

PDF

36.3 KB Created: 2021-05-28 16:28:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: ba93e1849c226555eb2a8b73687e4956 SHA-1: 4a082277f22ba26a2c93c8fd032b12bb8a0bd0c0 SHA-256: 93b0357e8ab58cb66ec43c308b9990706cd114bb462b78475c0945d4001e5552
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as an image-only lure, a common tactic to trick users into clicking on a link. The embedded URL, https://dlydruzei.page.link/zEuj, is a URL shortener, which is frequently used to obscure malicious destinations. This suggests the file is part of a phishing campaign or a malware distribution scheme.

Machine Learning

  • Nyx PDF Classifier clean score 0.0048

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 36 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://dlydruzei.page.link/zEuj In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00007f32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F32 5304 bytes
SHA-256: 9acc7bfc78d2262dae2cd2b3125d46ab3e3f7118fcb339901ae237c2e7d26e4e

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