PDF malware analysis — malicious · a1586dfdd00cca04

MALICIOUS

PDF

2.7 KB Created: 9685-01-01 Authoring application: 891

MD5: 34cbd9e9310a749d3e5c24441e6cc882 SHA-1: 4be1f879dfdc0a36e44da75912cbb3cb3cea0801 SHA-256: a1586dfdd00cca041e573cd07a55be8cc19b19dfabfba5f134d9972bbc2fcc2e

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 Command and Scripting Interpreter: PowerShell T1204.002 Malicious File: User Execution: Malicious File

The PDF file contains embedded JavaScript, indicated by multiple heuristic firings including 'PDF_JAVASCRIPT' and 'PDF_JS'. The embedded JavaScript file 'javascript_obj0013_001.js' is flagged for obfuscation. This suggests the document is designed to exploit a PDF vulnerability to run malicious JavaScript, likely to download and execute a second-stage payload. The ClamAV detection 'Pdf.Exploit.Agent-36014' further supports this assessment.

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` `e4eebf19ec67f97cac9071ee48b82c58a62f9047d8c65af37474ad0fad5882e0`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4798 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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