Malicious PDF — malware analysis report

Static analysis result for SHA-256 d50afd59481f2621…

MALICIOUS

PDF

165.8 KB Created: 2021-05-21 12:29:04 +03:00 Authoring application: Mrs. Ms. Miss Janet Hamilton (via Kathleen Medina) First seen: 2021-05-29
MD5: 9598a957193d604bf515f4805bf4cf62 SHA-1: b447a477e4afe9c25e7588a65ccff962a935ff4b SHA-256: d50afd59481f2621ef815eab8e6dcbda3b10ba9d9c2295f9cf8a4bf3ce08874f
64 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as an image-only lure, a common tactic for phishing or malware distribution. It contains an external URI pointing to 'http://mo7rvku.vericade.com', which is likely the next stage of the attack. The presence of a local builder path alongside remote links further suggests a malicious intent to deliver a payload or redirect the user.

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 165 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://mo7rvku.vericade.com PDF link annotation

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