MALICIOUS
120
Risk Score
Malware Insights
MITRE ATT&CK
T1204.002 Malicious File
T1566.001 Spearphishing Attachment
The file is identified as malicious by ClamAV with the signature Win.Exploit.Jailbreak-1, indicating it exploits a known vulnerability. The PDF structure and embedded font stream are consistent with exploit delivery mechanisms. The primary attack pattern involves leveraging a PDF vulnerability to execute arbitrary code.
Heuristics 2
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ClamAV: Win.Exploit.Jailbreak-1 critical CLAMAV_DETECTIONClamAV detected this file as malware: Win.Exploit.Jailbreak-1
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ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAVClamAV 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.
Extracted artifacts 1
Files carved from inside the sample during analysis.
| Filename | Kind | Source | Size |
|---|---|---|---|
font_00_cff_off00000458.bin276486d126b2be223d0159e4e4ed94c70de80b14c0fa4e52a4f342f78a5dc77e |
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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