PDF malware analysis — malicious · 282847d0c75c5c01

MALICIOUS

PDF

535.1 KB

MD5: 410b7fbc6f6f32084b53766fcb9aaff1 SHA-1: 70a352965a4ff4a3f10ffabdb2602887d302a777 SHA-256: 282847d0c75c5c012fa3187bd56cf992c54a027163f1c978b4212ca0a33e3d9f

180 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF contains embedded script content, indicated by the PDF_EMBEDDED_SCRIPT_PAYLOAD heuristic. The CLAMAV_DETECTION heuristic further confirms its malicious nature. The DOC BODY excerpt suggests an attempt to create and write to a file named 'evil.pdf' using cmd.exe and potentially WScript.Shell, likely to execute the embedded 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_000859af.bin` `af6f58a1876191949910408010c876e7d86d7d2b4573b878d3afd3dc0e0679c4`	pdf-embedded-script	PDF decompressed stream script payload at offset 0x859AF	547778 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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