PDF malware analysis — malicious · d2b7e897779472e7

MALICIOUS

PDF

2.7 KB Created: 9241-01-01 Authoring application: 4274

MD5: 339438c31fe1f08fd0fd85fa5ce4cac2 SHA-1: e28ee56580be03aa5029b4a2b359216fab6d5e7b SHA-256: d2b7e897779472e7d4f20ae6b24e1ce85a99701f330e6db87802393c1f1a1108

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 ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is an exploit. The embedded JavaScript file 'javascript_obj0013_001.js' was flagged for suspicious characteristics like hex escape obfuscation. The primary attack pattern involves leveraging this JavaScript to execute malicious code, likely to download and run a secondary 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` `05c4821ffa07f19348d0555a3fe2b9b7c481f5e262013ddf2c040fbd4bf228d2`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4797 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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