PDF / .PHP malware analysis — malicious · e6da40e5c0c1c05a

MALICIOUS

PDF / .PHP

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

MD5: 3e7d33b9ffe208454436021c97d071ea SHA-1: 13df0e1f2b9a2459da4d6a6fab5dfa7d12ed6187 SHA-256: e6da40e5c0c1c05a89f2a0adc280fc768f7f38726c6033186bb5d06533cdf543

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The file is identified as malicious by ClamAV with the signature Win.Trojan.Agent-36166. Static analysis revealed embedded JavaScript, indicating the potential for malicious script execution. The JavaScript action and embedded JS stream heuristics suggest the file is designed to download and execute a second-stage payload, although the exact nature of the payload cannot be determined from the provided evidence.

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` `e5b8ffcc8d815642af4fde4c98b131626f21608a9669104dd6a05c0b954c1226`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74565 bytes
Detection ClamAV: Win.Trojan.Agent-36166 Obfuscation or payload: unlikely

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