PDF malware analysis — malicious · cc36b67241670075

MALICIOUS

PDF

12.6 KB

MD5: 6087897578882a87c067a32a78964008 SHA-1: db625f695d6f699e61fdfde064479d5c0669c627 SHA-256: cc36b6724167007584ba1f332f3536c74e78d9a1dcbb14b2d1df3801c4bfc8a5

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 including PDF_JAVASCRIPT and PDF_JS. ClamAV detections (Pdf.Exploit.Agent-36722 and Pdf.Exploit.Pdfka-9) confirm its malicious nature, likely exploiting a known PDF vulnerability to execute the embedded script. The script's purpose is to download and execute a secondary payload.

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36722 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36722
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` `1c493e1274aaf2d65b49e951d486700ebedf215ff123a64190808c368de2b5c0`	pdf-javascript-stream	PDF /JS object 76 at offset 0x369	11772 bytes
Detection ClamAV: Pdf.Exploit.Pdfka-9 Obfuscation or payload: unlikely

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