PDF malware analysis — malicious · 4a596ee56e83f486

MALICIOUS

PDF

2.7 KB Created: 6781-01-01 Authoring application: 3893

MD5: 379b3e64324d7823160235e90d6f290d SHA-1: 3f4ce875d632b9228c24fde0d8a733e3ee8087c3 SHA-256: 4a596ee56e83f4860dc1518b4830fb3aa4be1f0b9394397b201c9efd68b7a3e9

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 detection 'Pdf.Exploit.Agent-36014' confirms its malicious nature. The embedded JavaScript is obfuscated, suggesting it is designed to download and execute a second-stage payload, a common technique for exploiting PDF vulnerabilities.

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` `655108babc6a0e022515285264f49f0596cebe3b54356b6ca9c1c2b75a67a952`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4796 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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