Malicious PDF — malware analysis report

Static analysis result for SHA-256 197e9e7523f08c0f…

MALICIOUS

PDF

61.4 KB Created: D07220240206012829 Authoring application: hYBZFor5IX (via mKBueM3wD7)
MD5: 6e076b03670b619521c850f35d9a5534 SHA-1: b91e2d0ab159a342abafd5c6a91ef7cc5a5a51f9 SHA-256: 197e9e7523f08c0f990ef6ada4017d8bb69e3b286cb6ff43141cbfb8e5ca9b1a
132 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document is designed as a phishing lure, presenting a screenshot of a Microsoft login page to trick users into clicking a malicious link. The embedded URL, https://loginmlcrosoftonline.wobilya.info/?OVRZ=SUO, is designed to impersonate a legitimate Microsoft domain. The document's structure and content strongly indicate a phishing attack aimed at credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6369

Heuristics 4

  • Image-heavy PDF hides clickable URL with PDF string escapes high PDF_ESCAPED_URI_IMAGE_LURE
    PDF is image-heavy with little real text and its clickable HTTP(S) URI is encoded with PDF octal escapes. This combination is common in credential-phishing PDFs that render a screenshot-like prompt and obscure the destination from simple URL extractors.
  • PDF links to Microsoft-login impersonation domain high PDF_BRAND_IMPERSONATION_LINK
    PDF contains a clickable URI whose host imitates Microsoft login or Microsoft Online branding but is not on a Microsoft-owned domain. This is a credential-phishing indicator rather than a PDF parser exploit.
  • 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 61 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://loginmlcrosoftonline.wobilya.info/?OVRZ=SUO