PDF malware analysis — malicious · 8dc3111fbaec81fe

MALICIOUS

PDF

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

MD5: 460a7adc5c26877945c0287b71aec6d6 SHA-1: 9239c900a61b05ef29c4c98b85871a43c183738f SHA-256: 8dc3111fbaec81fec663674b9b5b11069d1a04176ee80116c7a1f1be6264e580

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1559.002 Component Object Model Hijacking

The sample is a PDF file that contains an embedded XFA form with a TIFF image. Static analysis identified a critical heuristic match for CVE-2010-0188, indicating an exploit targeting Adobe Reader's handling of TIFF images within XFA forms. This exploit allows for arbitrary code execution. No scripts were extracted, but the presence of the exploit and the embedded file suggests a malicious intent to compromise the user's system upon opening the document.

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` `e0296d8cd899a71787c3da9b81852acdca8a94946371d694cde86eca0fa594f1`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1C6	35879 bytes

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