PDF malware analysis — malicious · c4c44dec013499c4

MALICIOUS

PDF

102.0 KB

MD5: a593628fdc3c9d0e4d46583305be77b7 SHA-1: c8b2271184b06ecd83c150568fe07d85234346b7 SHA-256: c4c44dec013499c41e18beb0fbb2c9213d4dda13a2a31a31c2ed3ddcc50046d9

188 Risk Score

Malware Insights

MITRE ATT&CK

T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an XFA form which is known to be vulnerable to CVE-2010-0188. This exploit targets Adobe Reader and allows for arbitrary code execution. An embedded script payload was also detected within the XFA form, further indicating malicious intent. The embedded URL is likely benign as it points to the XFA schema definition.

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` `10406b236609b9139dd22e89c7f647b0c83068fc8057fd034cc845759e297a6d`	pdf-embedded-script	PDF raw stream script payload at offset 0x346	103710 bytes

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