PDF malware analysis — malicious · 9a2f63ef188d8f94

MALICIOUS

PDF

18.6 KB

MD5: a0d9adad1b7f195691c3d0d9dcd241d9 SHA-1: 22bf571b52d73ebca6df34ba99e2b4828fefde9a SHA-256: 9a2f63ef188d8f948bc4c687d369a3919a586e0caff209209e560049f1bbc32a

68 Risk Score

Malware Insights

MITRE ATT&CK

T1059.001 PowerShell T1204.002 Malicious File

The PDF was flagged by a machine learning classifier as malicious, and heuristics indicate the presence of an embedded script payload. This payload, likely contained within the 'embedded_file_obj0006.bin' artifact, is designed to download and execute further malicious content, contributing to the overall attack chain. The XFA form suggests a potential for complex scripting or form manipulation.

Machine Learning

Nyx PDF Classifier malicious score 0.9999

Heuristics 4

Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
Embedded file low PDF_EMBEDDED

PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Suspicious extracted artifact info 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_file_obj0006.bin` `36bdca9a2b9de7cffc67dca0668f7df1d1cc972503913af93c88e261edf875bc`	pdf-embedded-file	PDF EmbeddedFile object 6 at offset 0x5B	24936 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 long base64-like blob(s).

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