PDF malware analysis — malicious · f263a3182307ce6d

MALICIOUS

PDF

3.1 KB

MD5: 526c509cf2364ecaa8bfedc64a63d2dc SHA-1: 3477e9667a10efcca41d626b88ec15e3fcda28d8 SHA-256: f263a3182307ce6d2915167108a0760f933172c5d4e4c30eb232a78ced377568

118 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The PDF_UNESCAPE heuristic suggests obfuscation, and ClamAV detected the file as Pdf.Dropper.Agent-7323110-0. The embedded JavaScript is likely responsible for downloading and executing a second-stage payload, which is a common dropper behavior.

Heuristics 5

ClamAV: Pdf.Dropper.Agent-7323110-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Dropper.Agent-7323110-0
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
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.
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` `f4f0b0ae97feb71cac4860510a2dc402f5fe8abee22edded60b7d42d9e1a4070`	pdf-javascript-stream	PDF /JS object 6 at offset 0x1BA	1894 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 eval/decoder/string-building token(s).

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