PDF malware analysis — malicious · ad0822b652937a3f

MALICIOUS

PDF

2.7 KB Created: 1495-01-01 Authoring application: 285

MD5: fcd189bf17dbdd7cf1a06db443a97d51 SHA-1: 9963c5e1e7630f40ef39f5b3e315ab00089dc90b SHA-256: ad0822b652937a3fd8f226150f3438c0e724f33f33f4a4a89396b3f3eacf4a36

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged by multiple heuristics, including ClamAV detection as 'Pdf.Exploit.Agent-36014' and a high ML score, indicating malicious intent. Embedded JavaScript streams were detected, suggesting the execution of malicious code. The presence of JavaScript actions and obfuscation indicators in the extracted artifact points towards an exploit attempting to gain initial access.

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` `14a9a987aad81d59b784880a2d96613367f2a0fe0d62dc3266e97fa7c6a65385`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4795 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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