PDF malware analysis — malicious · bf34e24d098b4ebc

MALICIOUS

PDF

289.4 KB

MD5: b08b9feafe88590071f83a4894a3c4dc SHA-1: 12265746ddceab3655feab46a632572dc843b6a9 SHA-256: bf34e24d098b4ebc19d4c50ef1253ee37d97bca8711b125ffcaab49f2f6088de

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains a launch action and an embedded script payload, as indicated by the PDF_LAUNCH and PDF_EMBEDDED_SCRIPT_PAYLOAD heuristics. The embedded script, when executed, appears to be designed to download and execute a second-stage payload. The ClamAV detection further supports its malicious nature. The extracted command line snippet suggests an attempt to create and execute a script.

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` `edd38c70557a06ae03a51590128ab45f32e114ba509aa4627c504a3848b8738d`	pdf-embedded-script	PDF decompressed stream script payload at offset 0x482D7	296228 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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