PDF malware analysis — malicious · 54e88ae8fe2cd324

MALICIOUS

PDF

2.7 KB Created: 2391-01-01 Authoring application: 2732

MD5: dd025f05a2f308e623318f9aaa00e1a2 SHA-1: dd0ea8abbc2fac69cbb8f22ad22366b26bb36e7a SHA-256: 54e88ae8fe2cd324fdda5fa03c28a77927a4f3a79493d9b56f6b5b2c4e3932ef

126 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file was flagged as malicious by ML classifiers and ClamAV, specifically identified as Pdf.Exploit.Agent-36014. Static analysis revealed embedded JavaScript, indicated by heuristic firings for PDF_JAVASCRIPT and PDF_JS. An extracted JavaScript file, 'javascript_obj0013_001.js', shows signs of obfuscation, suggesting it is used to deliver a payload or exploit. The ML classifier's high confidence score further supports the malicious nature of the document.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

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` `86d4d157c2675da2fba9160dda67b34d2c2c336e9f69da45ea1308e5b5416c37`	pdf-javascript-stream	PDF /JS object 13 at offset 0x328	4789 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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