PDF malware analysis — malicious · e8486e7aba1bd7c9

MALICIOUS

PDF

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

MD5: 094d8ae63ed0eb6647de8226838f9901 SHA-1: 3c56a871f15382ce5f0b9fe92d64e1d776855fb0 SHA-256: e8486e7aba1bd7c9e7d498af260a551cc0dd37b83444c0c1e7c691d41adf9ac6

160 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.002 Spearphishing Attachment

The PDF file contains embedded JavaScript and is flagged for exploiting CVE-2010-0188, a vulnerability in Adobe Reader related to XFA forms. An embedded artifact was also detected by ClamAV as Win.Trojan.E-51. These indicators suggest the document is designed to exploit a known vulnerability to download and execute a secondary malicious payload.

Heuristics 7

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.
ClamAV detection on extracted artifact critical EXTRACTED_FILE_CLAMAV

ClamAV flagged at least one file extracted from inside this sample. Even when the wrapping document carries no AV detection of its own, a hit on the carved artifact is a strong indicator the sample is a delivery vehicle.
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` `48f84f152721d7b7b8f847c2d1f16a7e0f0541bbc60d74655b8d474530d61a2b`	pdf-embedded-file	PDF EmbeddedFile object 4 at offset 0x1C6	35879 bytes
Detection ClamAV: Win.Trojan.E-51 Obfuscation or payload: unlikely

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