PDF malware analysis — malicious · 80e65ce5318aa40f

MALICIOUS

PDF

340.8 KB

MD5: b8a2a1620112735e427d56f9a25cf2df SHA-1: 369a746e6ffadad1ca552ccb4cf4135c76d1f424 SHA-256: 80e65ce5318aa40f2d9459b676fc45ed21815c73e513dc10f8519db03cb683ff

168 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 JavaScript/JScript T1204.002 Malicious File

This PDF file was flagged as malicious by ClamAV and a machine learning classifier, indicating it contains an exploit. Heuristics confirm the presence of JavaScript, including an unescape() call and ASCIIHexDecode filter, suggesting obfuscated code intended to execute a payload. The ML classifier's high score further supports the presence of malicious JavaScript.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 6

ClamAV: Pdf.Exploit.Agent-36189 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-36189
unescape() call high PDF_UNESCAPE

unescape() found — often used to decode shellcode in PDF JS exploits (matched inside decoded stream)
ASCIIHexDecode filter (with exploit indicators) medium PDF_FILTER_HEX

Hex-encoding filter present alongside exploit delivery indicators — often used to hide payload or shellcode bytes
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_obj0008_000.js` `7577cf61083175931cff7a9cab6b490e1d49baea9edc2d62b13a0a526d371bd9`	pdf-javascript-stream	PDF /JS object 8 at offset 0x1E7	116055 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s).

Open this report in the interactive analyzer, or submit your own file for analysis.