PDF malware analysis — malicious · 2409651484a86b62

MALICIOUS

PDF

102.2 KB

MD5: 5583a54cb321dc47ec852a917d2ebfbf SHA-1: d55842119bad5940f34fd1a2c10d5f92fa3197b7 SHA-256: 2409651484a86b623a4a879b5693947e1ecd2ee0c529984ae3944fb35cb0a7f0

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment

The PDF file contains an XFA form with an embedded script, triggering critical heuristics for CVE-2010-0188, an Adobe Reader LibTIFF XFA exploit. This indicates the file is designed to exploit this vulnerability upon opening in a vulnerable reader version. The embedded script is likely responsible for executing the malicious payload. The presence of an embedded URL, though not directly malicious in reputation, is associated with the XFA template structure.

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` `c87ecb62184ecf9d31a1260eadde23da60f176a3d5467d388917543f2d7fe966`	pdf-embedded-script	PDF raw stream script payload at offset 0x346	103975 bytes

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