PDF malware analysis — malicious · f7a1f17f9a8ed714

MALICIOUS

PDF

289.4 KB

MD5: 52bcfe6122faa5c941de8be501f6018c SHA-1: 6d193ff0b2844739839a340ad6e4f4464ba5057a SHA-256: f7a1f17f9a8ed714bd6b9c42e98f85c7e536dd7d42da7c9eedf48f56d0e2a4f4

180 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.003 Windows Command Shell

The PDF file contains a launch action and an embedded script payload, indicating an attempt to execute malicious code. The embedded script, identified as a suspicious artifact, likely downloads and executes a second-stage payload. The script content suggests it constructs a command to create a file and then execute it, potentially from the temporary directory.

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` `edd13a25a28adc31ebc7bac8b2cfddfd73db1c5e1665987142f89454b854f9da`	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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