PDF malware analysis — malicious · b16460b9904d6988

MALICIOUS

PDF

2.7 KB Created: 6972-01-01 Authoring application: 7966

MD5: f310bf4622a5a0657e8c4651a2bbfaf7 SHA-1: ce31d67a0799a10f71fd0b2434f618646578af4d SHA-256: b16460b9904d69889b7dde0264132354b2bfdfd835bf41cc20e1797432ad17cc

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript 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 artifacts including hex escape obfuscation and script obfuscation within an embedded JavaScript file. The presence of PDF JavaScript actions and embedded JS streams strongly suggests the execution of malicious code, likely exploiting a PDF vulnerability to achieve its objective.

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` `701e537601e743ef8445dc962e97fec06cdf4f18fd929c7680c31a53dda2d076`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4779 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).

Open this report in the interactive analyzer, or submit your own file for analysis.