PDF malware analysis — malicious · 9bc12ac75218de00

MALICIOUS

PDF

102.1 KB

MD5: 630423e69b6b7100e12c8cd5b757ba9d SHA-1: 7890e19d05cd688c38cd68572968bdd70bd1f8d3 SHA-256: 9bc12ac75218de0085b83a00972b9f99bb76fa87cf72bdf29ae619d0ce9ecd07

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1204 User Execution

The PDF file contains an XFA form which is known to be vulnerable to CVE-2010-0188. This exploit targets Adobe Reader's LibTIFF component to achieve arbitrary code execution. The embedded script payload and XFA script firings confirm the malicious intent to exploit this vulnerability. No specific malware family could be identified.

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` `8dc4db558f8564ffc3475e347fa1f69ee564f7bc9ffdc196bc149793f030f90f`	pdf-embedded-script	PDF raw stream script payload at offset 0x346	103799 bytes

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