Malicious PDF / .PHP — malware analysis report

Static analysis result for SHA-256 21428193a326eb51…

MALICIOUS

PDF / .PHP

58.0 KB Created: 2009-11-15 19:41:70 Authoring application: PDF Library 4.3.9 (via PDF Library 3.9.7)
MD5: 908447372508e5efc5a37c91622a50e3 SHA-1: 0006e062512a43f7f1ad77512a04c9381d3bb19e SHA-256: 21428193a326eb5136311280b685165ca54a0e1b584a8e8d65a4e6fa79f3a18f
76 Risk Score

Malware Insights

MITRE ATT&CK
T1059.001 PowerShell T1204.002 Malicious File

The critical ClamAV heuristic indicates this PDF is recognized as malware (Pdf.Exploit.Agent-21402). The presence of embedded JavaScript, flagged by PDF_JAVASCRIPT and PDF_JS heuristics, strongly suggests an attempt to exploit a vulnerability within the PDF reader to execute arbitrary code. The JavaScript is likely responsible for downloading and executing a second-stage payload.

Heuristics 3

  • ClamAV: Pdf.Exploit.Agent-21402 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-21402
  • 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
ef21bdde0c8169c1801dbd4de8ce6c4af9fc43fdc09210f15c4bed6a1bae6ac2		 pdf-javascript-stream PDF /JS object 7 at offset 0x1A5 116756 bytes

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