PDF malware analysis — malicious · c5af153a33556660

MALICIOUS

PDF

13.2 KB

MD5: ea691fe34aea1ae0b1bf12242d8c0232 SHA-1: 68ef6a30fe638d8adebb866954f337523c31f509 SHA-256: c5af153a33556660cdea9bce8468733ab4bd147edfb0a76bd6c8b3ce9c57d9bb

190 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 targeting LibTIFF within Adobe Reader. An embedded script payload was also detected within the XFA form, indicating the file is designed to execute malicious code upon opening. The embedded URL is likely related to the XFA template but is not directly indicative of the payload delivery.

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_00000335.bin` `fc32fa80b54bf1670e5d1adcad9a5093bd9142cbcd686e3c44b6cf27fdbbffbb`	pdf-embedded-script	PDF raw stream script payload at offset 0x335	12787 bytes

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