Malicious PDF / .PHP — malware analysis report

Static analysis result for SHA-256 ca3498a12b7e7ea8…

MALICIOUS

PDF / .PHP

37.8 KB Created: 2010-04-13 03:28:30 +04:00 Authoring application: TCPDF (via TCPDF 4.8.032 (http://www.tcpdf.org))
MD5: 025b3b965bd186cc16033576731c0400 SHA-1: 3f6308785e4adfcda703393efe2f766879142ab0 SHA-256: ca3498a12b7e7ea8eb7f3a8ed7ecc46572954bda4a913dabd0ba7e8a66f6e126
84 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings related to PDF JavaScript actions and streams. ClamAV detection as 'Pdf.Exploit.Agent-22450' strongly suggests it exploits a known PDF vulnerability. The embedded JavaScript is likely responsible for executing the malicious payload, leading to the 'malicious' verdict.

Heuristics 4

  • ClamAV: Pdf.Exploit.Agent-22450 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-22450
  • 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.
  • Optional Content Group with action trigger low PDF_OPTIONAL_CONTENT
    Optional Content Group (layer) co-occurs with an action trigger — content can be selectively hidden from viewers or scanners while the action still fires on open

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0010_000.js
49306e18d8925a617ba949176742c2194e6dee7dfb4d7ebdc45cc1bfcb351eee		 pdf-javascript-stream PDF /JS object 10 at offset 0x8CF7 1346 bytes

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