PDF malware analysis — malicious · 280dbf32f983e362

MALICIOUS

PDF

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

MD5: a2aa63824c27fcb5e1ea4ece950845fa SHA-1: 4ff7557f3c177ca854a0fdb4ddb4586e2a3799cb SHA-256: 280dbf32f983e362b0f80a659c732147c48f822be782c6bb563f9f99a97358b5

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

This PDF file contains embedded JavaScript and an embedded file, which are commonly used to deliver exploits. The critical heuristic firing for CVE-2010-0188 indicates exploitation of a vulnerability in Adobe Reader's handling of XFA forms. The embedded JavaScript likely facilitates the execution of the exploit payload, which is designed to download and run additional malicious content. The embedded file is likely the second-stage payload.

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` `ac1fef2f5d5dadc9cd56dc5eb3473f4cf25416e8e62a8f455be53c927dc86eb3`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1C6	35879 bytes

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