Malicious PDF — malware analysis report

Static analysis result for SHA-256 5d0972f6989887fe…

MALICIOUS

PDF

13.0 KB
MD5: 01aa3b11db27f33c8ff025b8db8a2cdd SHA-1: c742bcd3cfb9193c86b46fbdb34b7cbc8d52ac31 SHA-256: 5d0972f6989887fe4f5563c206a2b25d771df6802eb24e36be98ffbb7235e4b5
152 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution

The sample is a PDF file flagged by ClamAV as Win.Exploit.Jailbreak-1, indicating it exploits a known vulnerability. The embedded URL http://jailbreakme.com/wad.bin likely hosts a second-stage payload. The ML classifier also strongly suggests maliciousness.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9056

Heuristics 3

  • ClamAV: Win.Exploit.Jailbreak-1 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Win.Exploit.Jailbreak-1
  • ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV
    ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
  • 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://jailbreakme.com/wad.bin
    • http://www.apple.com/DTDs/PropertyList-1.0.dtd

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_cff_off00000458.bin
80beb36fa00139bc99356503a6f5c431ef5f8c21b564adbac06b3863366e8c02		 pdf-font-stream PDF embedded font (cff) at offset 0x458 40077 bytes
Detection
ClamAV: Win.Exploit.Jailbreak-1
Obfuscation or payload: unlikely

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