Malicious PDF — malware analysis report

Static analysis result for SHA-256 b3e6c4df5242ccfd…

MALICIOUS

PDF

27.6 KB Created: 2021-05-28 10:42:30 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-06-13
MD5: 3ce92a516cc485c74bae862832b0f9e0 SHA-1: d51c7581c887bb872f9fc7374da6b3f8e3999945 SHA-256: b3e6c4df5242ccfda870b170f1ec0b1d52cad10b59a76d80d72c03d67d25b906
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, containing a single image and minimal text, typical of phishing attempts. It directs users to a URL shortener, which likely leads to a malicious site. The heuristic 'PDF_IMAGE_LURE_SHORTENER_LINK' specifically flags this behavior, indicating a high likelihood of a phishing or malware distribution scheme.

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://bezplat.page.link/gLpr In PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00005c66.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5C66 5252 bytes
SHA-256: 66cbafc95a4c7b40c2b56e1696fd8d483738ae96bf711ca2b320ae0571155cf7

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