PDF malware analysis — malicious · ce7052b5cc0d9a83

MALICIOUS

PDF

14.5 KB Created: 2009-11-15 19:41:70 Authoring application: PDF Library 4.3.9 (via PDF Library 3.9.7)

MD5: b7d521fbf568ee38b3c3bc50d7bb7e9a SHA-1: 9a172149058940c01ab175a1e657979ebfa94e9c SHA-256: ce7052b5cc0d9a8397cbc2a9402f64b2219e8c8d4a3263f941cc7fc1196c7b63

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The file is a PDF document identified as malicious by ClamAV with the signature Win.Trojan.Agent-36166. Static analysis detected embedded JavaScript, indicating a potential for malicious actions such as exploiting vulnerabilities or downloading further payloads. The presence of JavaScript and the ClamAV detection strongly suggest a malicious intent, likely related to delivering malware.

Heuristics 4

ClamAV: Win.Trojan.Agent-36166 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Win.Trojan.Agent-36166
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_obj0007_000.js` `61afa3fca64bfa34a2fa449f9b6f9d2d5a049e84a091fb5d0de2f34263c86f1a`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74659 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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