PDF malware analysis — malicious · fff3e43f795f6235

MALICIOUS

PDF

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

MD5: 92d4b0b70a690d12fc3225bd10fb3ebe SHA-1: da85b2d25c8bf875c67b98af1d596b7d2bda3526 SHA-256: fff3e43f795f6235e2d342f9f18f62ed925be0bee4d7dbc0a214e8e16b8bdd39

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The PDF file contains an embedded XFA form that triggers a critical vulnerability, CVE-2010-0188, which is an exploit for Adobe Reader's LibTIFF component. This exploit is designed to execute arbitrary code. No JavaScript or document body content was available for further analysis, but the critical heuristic strongly indicates a malicious exploit delivery.

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` `1bbcf4524fc9645f57cb1ddf17e497409693c0db3bc25ab9983e9b7d101dc1a7`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1C6	35879 bytes

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