PDF malware analysis — malicious · 9256229258ed2881

MALICIOUS

PDF

2.7 KB Created: 2917-01-01 Authoring application: 4841

MD5: 99ea95939f16e7055a5ac15c9ad963a9 SHA-1: 9dabfda374524c2f070395bf60316670de6587d9 SHA-256: 9256229258ed2881fedc297d3ffaa7382030982a57c88f9f78b5c2c37dc04872

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The 'CLAMAV_DETECTION' heuristic identifies it as 'Pdf.Exploit.Agent-36014', suggesting it's a known exploit. The embedded JavaScript file 'javascript_obj0013_001.js' was flagged for script obfuscation and hex escape obfuscation, pointing towards its malicious intent. The likely purpose is to leverage a PDF vulnerability to execute this obfuscated script, which could download and execute a second-stage payload.

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` `84448ae32b64108af56fe0d71bee0b067512dda7e8aab389ca8cf601d55cc197`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4792 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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