Malicious PDF — malware analysis report

Static analysis result for SHA-256 43987e781d3195cb…

MALICIOUS

PDF

35.2 KB
MD5: 403e27e527baabeb53ef83b99c4cadee SHA-1: 44d2696a0a31ce7c15553bf88e1605e67a4e6545 SHA-256: 43987e781d3195cb2d75e0a9acca5de1cbd7eefd2010cce9afd897d5e8c9f594
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains an image-based lure, typical of phishing, with a clickable button that links to a file-hosting service. This suggests the document's primary purpose is to trick the user into downloading a potentially malicious payload. No scripts were extracted, and the embedded URL, while flagged as confirmed benign by the reputation service, is part of the lure mechanism.

Machine Learning

  • Nyx PDF Classifier clean score 0.0007

Heuristics 3

  • Image/button lure links to file-hosting download high PDF_FILE_HOSTING_DOWNLOAD_LURE
    PDF is an image-only or near-image-only lure with a clickable action to a public file-hosting download endpoint. This is a common malware delivery pattern: the visible page is just a screenshot/button, while the real payload is fetched from the external hosting service.
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 2 image(s), only 0 text block(s), carries a click-outward action, and is only 35 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://2012.filemail.com/api/file/get?filekey=ytyQUUZwEeijkbLbKoMvyf0YvBoqUg4Fufe6zGM0dPsUyU-wFFP0pUcwI9xAZPaEI-rrsI6M0JRZ03-gDQ&pk_vid=0036e245a09a84ae173430670396c326

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