PDF malware analysis — malicious · 7e64fbb68779d550

MALICIOUS

PDF

4.1 KB

MD5: d00f37d58e1d4aeffbe9fae2ec5a0c64 SHA-1: bc33681be4beeb7992b168cf08d41f4ccd76259f SHA-256: 7e64fbb68779d550b47937035dc2b6fc7145bcbcea10849fd7e76723bde302f6

126 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.002 Phishing: Spearphishing Attachment

The PDF file contains an embedded XFA form that triggers the CVE-2010-0188 exploit in Adobe Reader. This exploit is designed to achieve arbitrary code execution on the victim's system. The ML classifier strongly indicates malicious intent, and the embedded file suggests a secondary payload delivery mechanism.

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` `57fe7e2221011180ba5a292008810a5312a6c7a2e4bf2ff1b86151d598f3181b`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12702 bytes

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