PDF malware analysis — malicious · aca77d737c457122

MALICIOUS

PDF

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

MD5: 5283f3af9a6db2a3ecb871fcec9ef803 SHA-1: 52d0d9a09fc49fac4b89afccf84e7167f478e1f7 SHA-256: aca77d737c457122f80b0102f9a12435293b95bea765303b29bcad0f3338086f

100 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

This PDF file contains embedded JavaScript and an embedded file, indicating a malicious intent. The critical heuristic firing for CVE-2010-0188 strongly suggests that the file is designed to exploit a vulnerability in Adobe Reader, specifically targeting the LibTIFF XFA image component. The embedded JavaScript and file are likely used to deliver and execute a secondary payload after the exploit is successful. The presence of XFA form elements and JavaScript actions further supports the exploit vector.

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` `34c74a2b731de3da191d3e355aa5cc10539dc23464ba6fccf36715213c8febdf`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1C6	35879 bytes

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