PDF malware analysis — malicious · 2d7680579d93ecb3

MALICIOUS

PDF

2.7 KB Created: 1467-01-01 Authoring application: 2807

MD5: e2f8862afd7c50f8b8f8b9f81ccaf57d SHA-1: c763d1ac6b2c13b2c5f89b3b78754e4c38d6732d SHA-256: 2d7680579d93ecb3e371c9812be9e0b1b21770b38caff192fafe9e9c360366c1

126 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-36014 and a machine learning classifier with high confidence. Static triage indicated suspicious extracted artifacts including hex escape and script obfuscation. An embedded JavaScript stream was also detected, which likely contains the exploit code. The JavaScript is obfuscated, preventing a detailed analysis of its specific actions, but it is presumed to be the mechanism for delivering a secondary payload.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

ClamAV: Pdf.Exploit.Agent-36014 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36014
Suspicious extracted artifact medium EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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_obj0013_001.js` `d424d167168088254ef7016e2bdaabf053e0601761f54483fa9c4762586c5b33`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4813 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 10 eval/decoder/string-building token(s). Carved artifact contains 3 long hex-escaped blob(s).

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