Malicious PDF — malware analysis report

Static analysis result for SHA-256 06c01a24acc2466e…

MALICIOUS

PDF

20.6 KB Created: 2021-06-05 09:03:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02
MD5: b095a1fb8fd97e40cc1467c23ce99954 SHA-1: 48cf906e020341a92357f5d255188caa10aa6e6c SHA-256: 06c01a24acc2466e5e958047b2d1f17f72f1cdfa0021f2073b1f8d0fca41f0fc
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file is identified as an image-based lure, containing a single image and minimal text, which is a common tactic for phishing or malware delivery. It utilizes a URL shortener (port.page.link/e1Qb) as a primary indicator, suggesting a redirection to a malicious site. The document's structure and the use of a URL shortener strongly indicate an attempt to deceive the user into clicking a link, aligning with spearphishing attachment techniques.

Machine Learning

  • Nyx PDF Classifier clean score 0.0965

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 20 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://port.page.link/e1Qb 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_off00003f20.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3F20 12396 bytes
SHA-256: 9651c78dad64c31681e27aaf77368dfa0aab65a72df78104afb2fc8edab34c59

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