PDF malware analysis — malicious · a2788829758955a4

MALICIOUS

PDF

2.7 KB Created: 994 Authoring application: 6969

MD5: 6492ecc2f1febe2cff8f3486c0e77ffa SHA-1: 15a07a690382b4de0cf0d60cb25c8a8a2acbc7b3 SHA-256: a2788829758955a40b15902beece7f04114eb091373beb5e114ae77f12bdcfeb

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 'EXTRACTED_FILE_STATIC_TRIAGE' heuristic specifically flags 'javascript_obj0013_001.js' as suspicious due to hex escape obfuscation and script obfuscation indicators. This suggests the JavaScript is designed to execute malicious code, likely exploiting a PDF vulnerability to achieve its objective. The ClamAV detection further confirms its malicious nature.

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` `789263cb98a3af67d99b1c273f676a0548aeabce3afd80e008d6b4d0162da8d7`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4810 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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