PDF malware analysis — malicious · 4e8515c3a38d2655

MALICIOUS

PDF

3.3 KB Created: 2005-09-29 09:27:34 UTC Authoring application: Adobe PDF Library 8.0

MD5: 9058296e732573575b4c69600f63b1a7 SHA-1: 99d84a6ed54ecbfbec79f55534a1fc94b8954e7d SHA-256: 4e8515c3a38d26553f57eaaf3df00dc2ff40497fda5ad270a861a891d0078390

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The file is a PDF document that contains embedded JavaScript and an embedded file. A critical heuristic firing indicates exploitation of CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms and TIFF images. This suggests the PDF is designed to exploit this vulnerability upon opening, likely to download and execute a secondary payload. No specific family could be identified.

Heuristics 6

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

PDF contains XFA image data with an inline crafted TIFF payload and shellcode/delivery markers. This is the data-bound variant of the CVE-2010-0188 Adobe Reader LibTIFF/XFA exploit shape.
JavaScript action low PDF_JAVASCRIPT

PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
Embedded JS stream low PDF_JS

PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
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
AcroForm button with action trigger low PDF_ACROFORM_BUTTON

PDF contains a /Btn form field together with a SubmitForm/URI/Launch/JS trigger — this is the building block of fake 'Download' or 'Open' button overlays used in PDF phishing lures

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_file_obj0004.bin` `efee1abc089c12f5ec1a3ad1371fd1c7ddee6955abcdd65e6c22d18f44d8edef`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1C6	35879 bytes

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