PDF malware analysis — malicious · c440bb6f4079c519

MALICIOUS

PDF

102.1 KB

MD5: 3a3b48affcbbc657f5e7aa2e60befa06 SHA-1: 1392124303ff7e90cc8a504ca54235b64d153a63 SHA-256: c440bb6f4079c5190b6fb11ce17ce0ff23727043cb798d0ecf5c2e7e0cab13bb

188 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an XFA form and triggers the CVE-2010-0188 exploit, which is known to target Adobe Reader. This exploit allows for arbitrary code execution. An embedded script payload was also detected within the PDF stream, further indicating malicious intent. The ClamAV signature 'Pdf.Exploit.Agent-6136306-0' also confirms the malicious nature of the file.

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` `0865d2c758e8399c6cbdb0247b094dd23c0976b05639020b38535e9ca6a5c409`	pdf-embedded-script	PDF raw stream script payload at offset 0x346	103777 bytes

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