Malicious PDF — malware analysis report

Static analysis result for SHA-256 2937d7c4333ede26…

MALICIOUS

PDF

179.8 KB Created: 2021-05-20 21:27:41 +03:00 Authoring application: Gerald Graham (via Phillip Meyer) First seen: 2021-05-29
MD5: 28a5112fb89ee4d6e260f397743cd91c SHA-1: 0c4dd77d575f7cd13a94991e178daca6ee823114 SHA-256: 2937d7c4333ede26798f5b68bd4867fcc500cca6588091ffc00a99e36ef748db
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains only an image and a single text block, a common technique for phishing lures where a screenshot hides a clickable element. The heuristic PDF_IMAGE_LURE confirms this, indicating the document is designed to trick users into clicking an action trigger. The embedded URL http://rihrrsv.provitant.com is the primary indicator of malicious intent, likely leading to a phishing or malware download site.

Machine Learning

  • Nyx PDF Classifier clean score 0.2439

Heuristics 4

  • Image-only PDF carries local builder path plus remote links high PDF_IMAGE_LURE_LOCAL_FILE_AND_REMOTE_URI
    PDF is an image-only click lure that contains both remote HTTP(S) destinations and a file:/// URI exposing a local Windows/Linux builder path. That co-occurrence is not normal document linking; it matches generated clickbait/phishing carriers where the visible page is a screenshot and the clickable area sends the user to external 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 179 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://rihrrsv.provitant.com PDF link annotation

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