PDF malware analysis — malicious · f262779492d1fd83

MALICIOUS

PDF

12.5 KB

MD5: 63fa1c387e9816b6a68c334d1a6ee320 SHA-1: aabcafd3496043ec80ac7817f0b1db6b3c634499 SHA-256: f262779492d1fd830dea7a5a395e2f41da2c14633921d0dc85ff84aa8074301d

136 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings. ClamAV detections 'Pdf.Exploit.Agent-36365' and 'Pdf.Exploit.Agent-36364' strongly suggest exploitation of a PDF vulnerability. The embedded JavaScript is the likely mechanism for executing a malicious payload, such as downloading further malware.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36365 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36365
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.
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0076_000.js` `d7f896ff07fa26446650b48984fe0e7dd4998d91819ec595d17ceb9b44971d8c`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11702 bytes
Detection ClamAV: Pdf.Exploit.Agent-36364 Obfuscation or payload: unlikely

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