Malicious PDF — malware analysis report

Static analysis result for SHA-256 44f1c3130d74c063…

MALICIOUS

PDF

83.6 KB Created: 2021-05-28 18:51:21 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: 3c0f3a89213c27f38181a704cb0fdf33 SHA-1: 5d8532b10e9172db4d761604834f75e14e501793 SHA-256: 44f1c3130d74c063663228c383d478fcc3fbb8e70dacad743812aa4201c380ff
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 or distributing malicious content. It contains a link shortened via 'datas.page.link', which is a strong indicator of malicious intent, despite the URL itself being flagged as benign. The document's structure and the presence of a shortened URL suggest it's intended to redirect users to a malicious site.

Machine Learning

  • Nyx PDF Classifier clean score 0.0253

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 83 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/U7FT 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_off00013b51.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x13B51 12396 bytes
SHA-256: 9651c78dad64c31681e27aaf77368dfa0aab65a72df78104afb2fc8edab34c59

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