PDF malware analysis — malicious · 8bf09f4dd41478f8

MALICIOUS

PDF

13.2 KB

MD5: 1c50e90bac1cb334baf8cbfb7796d982 SHA-1: dde90ae449177218b3c9e7ced057ab6ce009f771 SHA-256: 8bf09f4dd41478f817e72fc2ff81dc4751ae587ec9b8cb2133f5a48ff16a99f5

120 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The PDF file triggered critical ClamAV detections for Win.Exploit.Jailbreak-1, indicating it contains an exploit. The embedded artifact is a PDF font stream, which is a common location for exploit code in malicious PDFs. The file's purpose is to exploit a vulnerability in PDF readers to achieve code execution.

Heuristics 2

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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`font_00_cff_off00000458.bin` `91165b61b867832e5d75945422f00b851d3e3ce15f88eb2da26b984f9d426819`	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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