Malicious PDF — malware analysis report

Static analysis result for SHA-256 09a4a929364b83e0…

MALICIOUS

PDF

40.6 KB Created: 2021-05-28 16:35:51 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02
MD5: a94213e5535e816f2dc039d3ee87e60a SHA-1: 60c6ffae7deede18ce57f3f9e89278f49cdf8e92 SHA-256: 09a4a929364b83e02c4304db3c8a9498fa88a9a29e3b849a2e1c8e766c2abff5
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 link through a URL shortener, which is a high-priority indicator for malicious activity. The document's structure and the presence of a shortened URL strongly suggest an attempt to redirect users to a malicious destination.

Machine Learning

  • Nyx PDF Classifier clean score 0.0050

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 40 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://goodpri.page.link/J15a 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_off00007fed.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7FED 17152 bytes
SHA-256: b8fdf48eda3ef6266dd69074895426cb948d165eff8495f029e8a6680c60ce7a

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