PDF malware analysis — malicious · d11fe17a0aef220b

MALICIOUS

PDF

4.2 KB

MD5: c99cc105657038ca2a9a36fc92e07e4e SHA-1: ccbbc601b31c423d5b94795c5780899eca8aea65 SHA-256: d11fe17a0aef220bc8fd4f60af30f60d1e8e0af1d9c96c07f00033c5ad022edb

126 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded exploit targeting CVE-2010-0188 in Adobe Reader's LibTIFF component. This exploit is designed to achieve arbitrary code execution. The presence of an embedded script payload further suggests that the document is intended to download and execute a secondary malicious payload. The ML classifier strongly supports the malicious nature of this file.

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` `531a68d1ee7ee267769a465b2e441a0a796e2bc965044d81d507400c74987086`	pdf-embedded-file	PDF EmbeddedFile object 8 at offset 0xEA	12978 bytes

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