PDF malware analysis — malicious · 7dfd0192d82141e6

MALICIOUS

PDF

289.4 KB

MD5: 8ec00c48f51249b4a68c5530a581be96 SHA-1: 0883cfa8a7193b4af9e506d941df2601c2d7ba79 SHA-256: 7dfd0192d82141e6155d3c3e0e38bd6c7eac8b4856cff6b033dd78954334816a

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF file contains an embedded script payload and a launch action, indicating it is designed to execute malicious code. The script is obfuscated, but the presence of 'cmd.exe /C echo Set o=CreateObject^("Scripting.FileSystemObject"' suggests it attempts to download and execute a second-stage payload. The ClamAV detection further supports its malicious nature.

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_000482d7.bin` `d900aa2e2763cb653f9f0561f95e04fb9bef613072d77c32e0db8dc50fd38356`	pdf-embedded-script	PDF decompressed stream script payload at offset 0x482D7	296260 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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