PDF malware analysis — malicious · e5081a2d7e6578f6

MALICIOUS

PDF

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

MD5: 02bc4da712ae536a5b9cdd697db977eb SHA-1: 61d3b8b3634f21a7f31186bc5c2e38278be1e41a SHA-256: e5081a2d7e6578f67df22b4396db05b00593f8bfbd24cc1c1c0b02f0602c7a3f

166 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The critical ClamAV detections indicate this PDF is a known dropper. The presence of embedded JavaScript, flagged by heuristics, suggests it is designed to execute malicious code. The ML classifier also strongly indicates maliciousness. The embedded artifact, a JavaScript file, likely contains the logic for downloading and executing a secondary payload, which is a common dropper behavior.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 4

ClamAV: Pdf.Dropper.Agent-7316646-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7316646-0
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` `3d52bc64808c2aa19ac2f8f333babbf4b026223dd7e01859c2a84ddeb9c86425`	pdf-javascript-stream	PDF /JS object 7 at offset 0x1A5	83954 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.