PDF malware analysis — malicious · 9f31c1f05e8f07db

MALICIOUS

PDF

4.2 KB

MD5: 2dd8431592da77212073fe3cd13f60d8 SHA-1: 25c950b60b8a773fcaebe050800b4eaccce201ee SHA-256: 9f31c1f05e8f07db7a3b826b6a954c8fa240cbc3b49704c0263e91202e253b60

126 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded script payload and triggers the critical CVE-2010-0188 exploit for Adobe Reader. This indicates the file is designed to deliver a malicious payload by exploiting a known vulnerability. The embedded file and XFA form are components of this exploit chain.

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` `c26fe488bcc879396d2f1268e76333ad51e23930f9d3200ddecc6dfb2427eb0f`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12888 bytes

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