PDF malware analysis — malicious · c0b0ac09281bb02b

MALICIOUS

PDF

22.5 KB Created: 2011-72-51 03:25:00

MD5: 526c42d12ddf276c84e04bb44f975618 SHA-1: 075838436401c4554a4d5ea60a1a5ed838b77e63 SHA-256: c0b0ac09281bb02b95bfe6a2e508b103fb703b023fed0d1d3eecd31709bb8834

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript with an eval() call, indicating an attempt to execute code. ClamAV detected this as Pdf.Exploit.Agent-36198, suggesting it exploits a known PDF vulnerability. The embedded JavaScript is obfuscated, but the presence of eval() and the ClamAV signature strongly suggest it's designed to download and execute a secondary payload. No specific family could be identified due to the obfuscation and generic nature of the exploit.

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36198 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36198
eval() call high PDF_EVAL

eval() found — commonly used for obfuscated exploit execution (matched inside decoded stream)
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.
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0001_000.js` `dc2b0ca02c64252419cb119449fb08467125404d59f5d2ddcf0ed86e776f7a15`	pdf-javascript-stream	PDF /JS object 1 at offset 0x5785	394 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

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