PDF malware analysis — malicious · 893b1fa0c08f0877

MALICIOUS

PDF

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

MD5: 3f68508abbc0e2f81bdd8a096be2860a SHA-1: 5e9976c79e771ca0826e7fed3d3a7e613e21bdb9 SHA-256: 893b1fa0c08f08775974131b59dcfabcd6964389475769fe8423b7c3cce3f0ab

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1566.002 Phishing: Spearphishing Attachment

The PDF document exploits CVE-2010-0188, a vulnerability in Adobe Reader related to the LibTIFF XFA image processing. This exploit allows for arbitrary code execution when the document is opened. The embedded JavaScript and XFA form further indicate malicious intent to leverage this vulnerability for initial execution.

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` `88dc0caa34476161dd8bb4ebdae84bf5581310ab9b547523a6b05ae832636267`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1C6	35879 bytes

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