PDF malware analysis — malicious · c28a72d858740ca7

MALICIOUS

PDF

16.2 KB

MD5: 0ce9cfbd83ffc7f329c9c024fafa8437 SHA-1: 3a6e9a1f9f903c1e28e06a7d450b3dff2413b15c SHA-256: c28a72d858740ca7beebce0f0c0d9fbc82fd47a92d80eec8f58d28d06002a10d

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 that leverages the CVE-2010-0188 exploit in Adobe Reader's LibTIFF processing. This exploit allows for arbitrary code execution when the document is opened. The embedded script payload and XFA structure strongly indicate malicious intent, likely for delivering a secondary payload.

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_00000359.bin` `e94310f346b4b6b295448c1dd6b0163ae25f46718c3270f7602136c0b090c943`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	15901 bytes

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