PDF malware analysis — malicious · 960257c243878698

MALICIOUS

PDF

4.1 KB

MD5: 3592f94c2934501e75cdeb385f46bf23 SHA-1: f5d08d7d5dae438202f20770e573b7481ce7fe35 SHA-256: 960257c243878698acd145a1749bfeec77984404fd3d4f0aecda107aed640a64

126 Risk Score

Malware Insights

MITRE ATT&CK

T1204 User Execution

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit is designed to execute arbitrary code, likely to download and run a second-stage payload. The ML classifier strongly indicates malicious intent.

Machine Learning

Nyx PDF Classifier malicious score 1.0000

Heuristics 4

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
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

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0008.bin` `99ad332311cb5d5dadc535d94e892039c508044c1fe7298d81a182a91c19dcc3`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12815 bytes

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