PDF malware analysis — malicious · c51633cb2e11646e

MALICIOUS

PDF

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

MD5: 4f7e20dcde78793ed28b5a58d3b3d7a7 SHA-1: c45e8493b3bc009d09c55846a53b7e667c4a4b3f SHA-256: c51633cb2e11646ebec20c3f1bc225f692b204b07af86cd57df1ee33b0a7fd05

136 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The file is identified as a PDF with embedded JavaScript, flagged by heuristics as a potential threat. ClamAV detection confirms it as 'Win.Trojan.Agent-36166'. The embedded JavaScript is the primary mechanism for delivering the malicious payload, likely involving downloading and executing further stages. The PDF structure and metadata do not provide further clues beyond the presence of JavaScript.

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` `dd57d930f031accc4f3ad42b13c1b554e26280c6741802e5a9ec633c26afefeb`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	74218 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.