PDF malware analysis — malicious · cc21a8eaa0c5b591

MALICIOUS

PDF

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

MD5: b4c576fbd04f6e75a1ecdec10e7bba1a SHA-1: b94ee18e5fe48c89502c2a8436fc3c6b61e06f1b SHA-256: cc21a8eaa0c5b5919c05da4a34313473018425f4c6a8e596b58ffa4ab6ea37c1

100 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution

The sample is a PDF document that contains an embedded XFA form with a payload targeting CVE-2010-0188. This vulnerability allows for arbitrary code execution when the PDF is opened in a vulnerable version of Adobe Reader. The embedded JavaScript actions and streams further indicate malicious intent to exploit this vulnerability.

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` `96999ad0975bf96af8644aa74e6095b7d94927a4e2ac155e9dd363f463602150`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1C6	35879 bytes

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