PDF malware analysis — malicious · a973b54f7eff5b71

MALICIOUS

PDF

2.7 KB Created: 9242-01-01 Authoring application: 7547

MD5: c253dc05c54a57dda2d8b5c49ef9bb3a SHA-1: 5aff0f35ee6c70a719caf745ed2f9d60b17366db SHA-256: a973b54f7eff5b71c37433657372730f27b57706142e6624d46cdfffb1707b69

96 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

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 likely used to exploit vulnerabilities within the PDF reader or download a secondary payload. The 'EXTRACTED_FILE_STATIC_TRIAGE' heuristic also flagged suspicious elements like hex escape obfuscation within the extracted javascript_obj0013_001.js file.

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` `14b0fb10f207d063fac9082323e13d3ee6f2f73597e1446df9a316b8e181064d`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4791 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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