PDF malware analysis — malicious · 594999af54ae6b0b

MALICIOUS

PDF

6.3 KB

MD5: d2de22ac6ab90322e1b72477d4645837 SHA-1: 4fca5bb38a5075737152f11660f909ec50990677 SHA-256: 594999af54ae6b0b52e6ab4f2f9b803c96e058eec02a0c54a08172302d735e22

86 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: Pdf.Exploit.Agent-36086' detection strongly suggests a known PDF exploit. The embedded JavaScript stream, named 'javascript_obj0006_000.js', is likely responsible for executing the malicious payload, which is typical for this type of attack. The document body is unreadable, but the presence of exploit-related heuristics and the ClamAV signature points to a malicious PDF designed to compromise the user's system.

Heuristics 5

ClamAV: Pdf.Exploit.Agent-36086 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36086
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.
String.fromCharCode low PDF_FROMCHARCODE

String.fromCharCode found — used to construct payload strings dynamically. Common in benign JavaScript libraries for codepoint manipulation, so this alone is informational; weaponised use is also caught by the dedicated fromCharCode-stage and exploit-shape rules. (matched inside decoded stream)
Suspicious extracted artifact info 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.

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`javascript_obj0006_000.js` `a0591e80bc75a07d7905660661ca9346d315d4cb6b99bb1061df499e7a4e8024`	pdf-javascript-stream	PDF /JS object 6 at offset 0x143	97499 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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