Malicious PDF — malware analysis report

Static analysis result for SHA-256 4d2b13a824226bba…

MALICIOUS

PDF

97.2 KB Created: 2019-07-06 03:04:41 -03:00 Authoring application: oýYÀBa«ÂÅÄþt}¹î@kRïcpMÒuF%¤"ý] Ä ßQO½wiŽ (via è‹l2€a_R‰^¼2»¬^ëû„ º;È ^@ŽcÙXs1í$+ÜÓr#€™) First seen: 2021-09-27
MD5: 1191a76ae661b38c781884ed2f71d027 SHA-1: 589ec8d31cbd8cffee7e6a18bbb63dcd9bbf99af SHA-256: 4d2b13a824226bba61ff4200ed282a4e216014e6e5138d4a1cf69d89ec0c5d77
62 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains only an image and a single clickable link, a common tactic for phishing lures. The heuristic 'PDF_IMAGE_LURE_SHORTENER_LINK' specifically identifies the image-only nature and the use of a URL shortener, indicating an attempt to hide the true destination. The embedded URL, https://bit.ly/3yZAEqx, is the primary IOC.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.3290

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 97 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://bit.ly/3yZAEqx In PDF document text

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