PDF malware analysis — malicious · f17272e5c490de35

MALICIOUS

PDF

6.6 KB

MD5: 306510bf9d290dafdbbb6fa492991fa8 SHA-1: a68af11493b585412dbd4fe0a1776bb585a92538 SHA-256: f17272e5c490de35f01e972e926a61fb1cbe72fabedd594965e15b5c778a7b7b

86 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell

The PDF contains embedded JavaScript, indicated by PDF_JAVASCRIPT and PDF_JS heuristics. The JavaScript stream, named 'javascript_obj0006_000.js', is likely responsible for the malicious activity. ClamAV detection 'Pdf.Exploit.Agent-36086' further confirms its malicious nature. The script's exact function is obscured, but it is designed to exploit vulnerabilities within the PDF reader.

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` `fd589be81cf8413245cd6389ecb812aaee13f770c01cd8b79d73e40f66deae09`	pdf-javascript-stream	PDF /JS object 6 at offset 0x143	137518 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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