PDF malware analysis — malicious · 29c096b02731a07d

MALICIOUS

PDF

289.4 KB

MD5: 16b380021f50622635f03427a6eb2070 SHA-1: 2d55f6dbda927d47fd0c8b9dee82c550dd123b66 SHA-256: 29c096b02731a07da7af183e10072415336f3f46f2335fa1c6e0acd40fa292a1

210 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File T1027 Obfuscated Files or Information

The PDF file contains embedded script content that is obfuscated and designed to execute. The script appears to be a downloader, likely intended to retrieve and execute a second-stage payload from a remote source. The presence of PDF launch actions and embedded scripts strongly suggests a malicious intent to compromise the user's system.

Machine Learning

Nyx PDF Classifier malicious score 0.9998

Heuristics 4

Launch action critical PDF_LAUNCH

PDF contains a /Launch action whose target is an executable, URL, or UNC path — can start an external application
ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION

ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
Embedded script payload in PDF stream high PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain script execution markers such as ActiveXObject/CreateObject, WScript.Shell, PowerShell, or shell-exec primitives. This is stronger than ordinary PDF JavaScript because it indicates a staged external script payload hidden in stream bytes.
Suspicious extracted artifact medium 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
`embedded_pdf_script_000482eb.bin` `4d983e6ebf8700f0393be7db796008c4c16ab790d09449d1f0bab44155ae3e05`	pdf-embedded-script	PDF decompressed stream script payload at offset 0x482EB	296248 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 2 shell/COM execution token(s). Carved artifact contains 1 long hex-escaped blob(s).

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