PDF malware analysis — malicious · 78ec0e38415299fc

MALICIOUS

PDF

2.7 KB Created: 9300-01-01 Authoring application: 9358

MD5: 4382a461c4152676aa7a48031ebff17f SHA-1: 928c0b72f3e5d3d72c965ece387636604128635c SHA-256: 78ec0e38415299fc148c17bb906b2b3fc150d0d16070d74bbef3c17670b675a5

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 and the presence of a javascript_obj0013_001.js artifact. The ClamAV detection 'Pdf.Exploit.Agent-36014' strongly suggests this is a malicious PDF exploiting a known vulnerability. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, though its exact function is obscured by obfuscation.

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` `45bb1251fe650efb941b4c7445f6d34bcb2d53757e18418f5c29204f47bdcd05`	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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