PDF malware analysis — malicious · 56b51125da8f830b

MALICIOUS

PDF

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

MD5: 032639bff0638f46e6d3f31083f3e495 SHA-1: 42fe67de81b58aa77aa2d913f2421c2946ef8c85 SHA-256: 56b51125da8f830b67c5c4e27042b58232065ba8bc55a986ab712687cd3d3850

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059.001 PowerShell

The critical heuristic firing for CVE-2010-0188 indicates a direct exploit attempt targeting Adobe Reader's LibTIFF component within an XFA form. The presence of JavaScript actions and embedded JS streams further supports the execution of malicious code. The embedded file suggests a potential second-stage payload delivery mechanism. The attack pattern is consistent with exploiting known vulnerabilities in PDF viewers to achieve arbitrary code 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` `639807de0d2880b46764fe73e336be454f74cb90400409042f27a6734c40cdc6`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1C6	35879 bytes

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