PDF malware analysis — malicious · 23c4fc046d651337

MALICIOUS

PDF

12.6 KB

MD5: d0f3e8546a914ff01744398304a32858 SHA-1: e996d73944627bd71ea95fcb953112ec8759efe0 SHA-256: 23c4fc046d6513379b262d5d36c24e2e734716fc7b019deb520e1117f0d7e4fc

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter

The PDF file contains an XFA form that triggers the CVE-2010-0188 vulnerability in Adobe Reader, allowing for arbitrary code execution. An embedded script payload was also detected within the PDF stream, likely intended to download and execute a second-stage payload. The embedded URL is likely benign, but the exploit and script indicate 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_00000359.bin` `68fd90439af8fbe542918ca0db684a3f1a189c7c4689646ed56b2f80db791959`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12209 bytes

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