Malicious PDF — malware analysis report

Static analysis result for SHA-256 32e60698d3fe4ba6…

MALICIOUS

PDF

74.7 KB Created: 2021-05-28 18:51:47 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: b89da5626fa7ade5d9a58023084e943d SHA-1: 6329a08b6b74195c7978b8610c3ae20e916d7362 SHA-256: 32e60698d3fe4ba69f037ece1b1a2ff86283f3c0e3747f4bd48dc1a191a9b04c
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing campaigns. It contains a link that uses a URL shortener, which is a common technique to obscure the final destination. The heuristics indicate a high likelihood of malicious intent, despite the benign reputation of the specific shortener domain and the Wikipedia link.

Machine Learning

  • Nyx PDF Classifier clean score 0.0219

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 74 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://toptovp.page.link/sB4n 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_off00011790.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11790 12396 bytes
SHA-256: 9651c78dad64c31681e27aaf77368dfa0aab65a72df78104afb2fc8edab34c59

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