Malicious PDF / .PHP — malware analysis report

Static analysis result for SHA-256 7a900ee6ac22951e…

MALICIOUS

PDF / .PHP

15.1 KB Created: 2009-11-15 19:41:70 Authoring application: PDF Library 4.3.9 (via PDF Library 3.9.7)
MD5: 8f547e86364c18143cc14272ec62d9ea SHA-1: c2fa8dfcd7b3482cac643fc26d5c78f45a421abe SHA-256: 7a900ee6ac22951e3738f6830c9ffe8fce31340a221d175a3172dee661c102d0
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 stream is large, suggesting it may be responsible for downloading and executing a second-stage payload. The PDF structure also contains JavaScript actions.

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.

FilenameKindSourceSize
javascript_obj0007_000.js
9a5b4bc4e040540530a87fd552ef265935af6da929c15d822c8943aa5acad758		 pdf-javascript-stream PDF /JS object 7 at offset 0x1A5 84136 bytes
Detection
ClamAV: Win.Trojan.Agent-36166
Obfuscation or payload: unlikely

Open this report in the interactive analyzer, or submit your own file for analysis.