PDF malware analysis — malicious · ddc89d9dda6e72ed

MALICIOUS

PDF

6.6 KB

MD5: 297e399bd35c88f7a12b070a3acf4a96 SHA-1: 88fc21089e528468bcff858cf4084aa7bc0b3738 SHA-256: ddc89d9dda6e72edb0ea4f3ca74e7476a3b6371d00f7b03e14dbb47c459e3693

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 detection 'Pdf.Exploit.Agent-36086' strongly suggests this is a known exploit. The embedded JavaScript, although not fully detailed here, is the likely mechanism for delivering the exploit. The document body is unreadable, providing no further context on the lure.

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` `18d07076039b019fdfd39c0cb8ad5f840c4312eed518052e5e9a1c4800754d43`	pdf-javascript-stream	PDF /JS object 6 at offset 0x143	137519 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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