Malicious PDF — malware analysis report

Static analysis result for SHA-256 0db07fe2c4849ca9…

MALICIOUS

PDF

27.6 KB Created: 2021-05-28 10:43:14 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-04
MD5: 7d773757c65ca473be119dd48980986d SHA-1: 10967d446d38913c099c4d1e6bd445ce1e5136b8 SHA-256: 0db07fe2c4849ca9e7f9dfd7ca3833cd87ae97de3f5cca7877c03f1d20f5b314
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 campaigns. It contains a single embedded URL that redirects through a URL shortener, which is a high-priority indicator. The document's structure and heuristics strongly suggest it's intended to trick the user into clicking the link, leading to a malicious site or download.

Machine Learning

  • Nyx PDF Classifier clean score 0.1153

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 27 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://znakudachi.page.link/r5qx In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c6d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C6D 5304 bytes
SHA-256: ba150ac8f8ac1b31dc2ab63687291b25ec5ac872d98f9f5f5cb9bbe299c74e19

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