PDF malware analysis — malicious · ae94c1f3a9f2db5f

MALICIOUS

PDF

12.8 KB

MD5: cecda51136ea7f5a6f19857f12f01d2c SHA-1: 1b0062d592662c7e05844ec54d80bd9a3ac2e849 SHA-256: ae94c1f3a9f2db5fb19acb1bb36e91c94acd89eed03c184f18e5f511fdd689f1

188 Risk Score

Malware Insights

MITRE ATT&CK

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

The file is a PDF document that leverages XFA forms to exploit CVE-2010-0188 in Adobe Reader. This exploit is designed to execute embedded scripts, which likely serve as a downloader for a second-stage payload. The embedded script and XFA structure are strong indicators of a malicious exploit delivery mechanism.

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` `9b46a0c2e16af70e6d8636c1734698f0074ea4ea2db9627430fa4b8267199698`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12365 bytes

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