PDF malware analysis — malicious · e529119998a77ee5

MALICIOUS

PDF

6.6 KB Authoring application: Tisilarehaue (via 2e966Tibedegabala)

MD5: e3954f842772652ed730d13efa636719 SHA-1: 81d6ce9177fac8b3983e3481b7f593dae5bf6bbd SHA-256: e529119998a77ee5c139cd929f79047bb1543cc7bc611a386603bf862912abf2

106 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by ClamAV as Pdf.Exploit.Agent-36142 and a machine learning classifier indicated a high probability of maliciousness. Embedded JavaScript was detected, suggesting an attempt to exploit vulnerabilities within the PDF reader to execute arbitrary code. The specific JavaScript content was too obfuscated to determine its exact payload, but the presence of exploit-related heuristics and the ML score strongly indicate malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 0.9989

Heuristics 3

ClamAV: Pdf.Exploit.Agent-36142 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36142
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_obj0010_000.js` `d4dce4f95f7146e3b127d68edf45ceb045483a205d9e9a2a53d6e6b80d83b663`	pdf-javascript-stream	PDF /JS object 10 at offset 0x1230	1728 bytes

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