PDF malware analysis — malicious · 4c8a00f28dc7b217

MALICIOUS

PDF

2.7 KB Created: 6445-01-01 Authoring application: 3540

MD5: 931d733dafb759f24edd7c4576c78b9f SHA-1: bb6e8d01503477604d1a11b153226d0ec354ec8e SHA-256: 4c8a00f28dc7b217180be80658c493b98a963a4a39e66ef7ab53bd83fb02fea0

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests malicious intent. The embedded JavaScript file 'javascript_obj0013_001.js' is likely responsible for executing the exploit, potentially downloading and executing a second-stage payload. The obfuscation indicators within the extracted JavaScript further support 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` `6ba7c2d612942867d9ee775d2bf414f58b6bfdceede62617962665b94f2b2608`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4759 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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