PDF malware analysis — malicious · 1b65ea761fd33905

MALICIOUS

PDF

2.7 KB Created: 9529-01-01 Authoring application: 7092

MD5: 1417ba3ef0ed1da6f7a4e08e00170aa8 SHA-1: 25e9a13ba4829ad046c0ce702e9f951cbcf36563 SHA-256: 1b65ea761fd33905761114e35ef7f3956a5a5d40442e1dbda3decd575e0f5f79

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is an exploit. The extracted JavaScript file, 'javascript_obj0013_001.js', likely contains the malicious payload. The exact intent of the script is unclear due to potential obfuscation, but it is highly probable that it attempts to 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` `62abf2995ee094b71a9ed5397f9c948426ef6104aa37011684f6e24514b565ad`	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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