Malicious PDF — malware analysis report

Static analysis result for SHA-256 92ccebc410c6a36e…

MALICIOUS

PDF

30.7 KB Created: 2021-05-28 16:30:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-30
MD5: 9b4d4f88acc39594039270648387d0ca SHA-1: 333d53dc5f8ed4e09fb3be8a59d3f18ba3cd1ff1 SHA-256: 92ccebc410c6a36e37560af7571a1923c87d3f5348a0a8375ac98a7c82c374b2
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF was identified as an image-only lure, a common tactic in phishing campaigns. It contains a link through a URL shortener, which is a high-priority indicator for malicious activity. While the URL shortener itself is marked as benign, the overall pattern suggests an attempt to redirect users to a potentially harmful destination.

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 30 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://datas.page.link/UQmb 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_off00006121.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6121 14148 bytes
SHA-256: 5176883209430260c97139f84679bb10d04e15d34ea0bf7161a1eb60f5cab4b1

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