PDF malware analysis — malicious · 3afe746ff270e7dc

MALICIOUS

PDF

102.2 KB

MD5: d0fc368da1b0e11a5ae1b30d704520f7 SHA-1: e7a10ed8b07b98aaa75f04bfb226dd4959f77601 SHA-256: 3afe746ff270e7dc94cbb628a8ceaed1cc2584552736b899ddcb71258f008b6f

188 Risk Score

Malware Insights

MITRE ATT&CK

T1190 Exploit Public-Facing Application

The file is a PDF document that leverages the CVE-2010-0188 vulnerability within XFA forms to execute embedded scripts. This exploit allows for arbitrary code execution, likely to download and run a secondary payload. The embedded script payload and XFA-specific heuristics strongly indicate this malicious intent.

Heuristics 6

Adobe Reader LibTIFF XFA image exploit — CVE-2010-0188 critical CVE likely CVE_2010_0188

PDF contains the CVE-2010-0188 exploit template: XFA JavaScript heap-spray setup, a generated TIFF image payload, and assignment of that TIFF data to an XFA image field rawValue to trigger Adobe Reader's LibTIFF parser.
XFA form contains executable script high CVE related PDF_XFA_SCRIPT

PDF embeds an XFA form whose dataset contains a <script> or <xfa:script> block — XFA scripting has been the exploit primitive for several Adobe Reader RCEs (CVE-2010-0188 family, CVE-2018-4901, and others). Plain XFA without scripts is far less risky.
ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION

ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
Embedded script payload in PDF stream medium PDF_EMBEDDED_SCRIPT_PAYLOAD

PDF stream bytes contain an HTML/XFA <script> tag without accompanying Windows shell-execution primitives — common in accessible XFA forms but worth surfacing for analyst review.
XFA form low PDF_XFA

PDF uses XML Forms Architecture — can contain script logic
Embedded URL info EMBEDDED_URL

One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.

URL http://www.xfa.org/schema/xfa-template/2.5/

Extracted artifacts 1

Files carved from inside the sample during analysis.

Filename	Kind	Source	Size
`embedded_pdf_script_00000346.bin` `4fe21f6ede8eb350a1210fbff9b0640a7d941a651e1990af402ed5e70cda3a37`	pdf-embedded-script	PDF raw stream script payload at offset 0x346	103962 bytes

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