PDF malware analysis — malicious · 8087bb25b92d8e33

MALICIOUS

PDF

16.3 KB

MD5: 630c5eb4cc3acc63d6f68e4104151027 SHA-1: 7c4805c8fd695636b8b2c8cf26cbe391e3e6de3a SHA-256: 8087bb25b92d8e331679339f776d02ceabfa21c3fc0786f9f20199f73a5b12ff

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File: User Execution: Malicious Attachment T1566.001 Phishing: Spearphishing Attachment T1059.001 Command and Scripting Interpreter: PowerShell

The PDF file contains an XFA form and triggers critical heuristics for CVE-2010-0188, indicating an exploit targeting Adobe Reader. The embedded script payload, detected by ClamAV as Pdf.Exploit.Agent-6136306-0, is likely responsible for executing the exploit. The embedded URL is likely part of the exploit chain or a secondary payload delivery mechanism.

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` `2e9148b741b844807e2cc7479ebb50832a1aa4391090d9a3ddb16c2818005922`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	15944 bytes

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