PDF malware analysis — malicious · 20977f9f84c1224d

MALICIOUS

PDF

2.7 KB Created: 883 Authoring application: 6418

MD5: ace8d3cab32c03ac30949f683ee3ffe3 SHA-1: f7f4cb0d0fb98b88f5db46e351bc9cc97f0b28fd SHA-256: 20977f9f84c1224d9312667b294485319ccd7b9e52b49185268b273be43c91a6

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'. ClamAV also detected it as 'Pdf.Exploit.Agent-36014'. The embedded JavaScript, named 'javascript_obj0013_001.js', is likely responsible for exploiting a vulnerability within the PDF reader to execute malicious code. The exact nature of the exploit and payload is not fully discernible due to obfuscation, but the presence of JavaScript and the ClamAV signature strongly suggest an exploit delivery mechanism.

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` `24408a3704454fa31f3fb57b0e30d62261aa2b7485ba2991fc376d8890a9d0f8`	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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