PDF malware analysis — malicious · 3f17959a432bc845

MALICIOUS

PDF

101.9 KB

MD5: 10a03e8d15de7896977b96c58ea3c559 SHA-1: d66fe2cc17b885da1f978ac71464c45874e8894b SHA-256: 3f17959a432bc8451358f82890783b9e4b66444f06429b41fe9ae87b6e310d51

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter T1059.001 PowerShell

The file is a PDF document that leverages XFA forms to deliver a payload. Static analysis detected a critical vulnerability (CVE-2010-0188) related to LibTIFF and XFA image exploitation, indicating the PDF is designed to exploit Adobe Reader. An embedded script was also found, further supporting the malicious intent. The embedded URL is likely part of the exploit chain or a secondary download 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_00000346.bin` `f9b9f3563edd559a71a5f873a662e09444c989717580c18539367fe38255b605`	pdf-embedded-script	PDF raw stream script payload at offset 0x346	103642 bytes

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