PDF malware analysis — malicious · e07af68e42509378

MALICIOUS

PDF

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

MD5: 0a9fd572161e9cefd26d153f54a719b4 SHA-1: 7b584ec1e37c905f83d94dd7440a17c38f5c5b96 SHA-256: e07af68e4250937898cdd3bcd7e93a7d8275eccf65de1e7caf13d43120197f12

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious Link

The critical ClamAV heuristic firings indicate the presence of Win.Trojan.Agent-36166. Additionally, low-severity heuristics for PDF JavaScript actions and embedded JS streams suggest that the PDF is designed to execute malicious code. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, contributing to the overall malicious nature of the file.

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` `656f925b6d76b158615649e9054a2062025624cef1fda7f1d9c5ebb8e09850e0`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74786 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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