Malicious PDF — malware analysis report

Static analysis result for SHA-256 e83ac6b32240db9e…

MALICIOUS

PDF

26.5 KB Created: 2021-05-28 10:46:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: f3f1bd9020781e71439cc96bc6f4b670 SHA-1: 222f5b22e8cc965824be56ea45194c8855aa51d7 SHA-256: e83ac6b32240db9e3fecddf9d065bfb5527fe38721bd22fcedf64e15e0d5cc23
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, typical for phishing or malware distribution. It contains a shortened URL, https://svimn.page.link/8Pe5, which is likely the primary malicious link. Although the URL itself is marked as confirmed benign, the heuristic firings strongly suggest malicious intent in the document's construction and linking strategy.

Machine Learning

  • Nyx PDF Classifier clean score 0.1196

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 26 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://svimn.page.link/8Pe5 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_off000056f9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x56F9 12396 bytes
SHA-256: 9651c78dad64c31681e27aaf77368dfa0aab65a72df78104afb2fc8edab34c59

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