PDF malware analysis — malicious · e42412ef1af8f72e

MALICIOUS

PDF

16.0 KB

MD5: 74b1412e1719ca176f5dae224ce1e673 SHA-1: 043ea8576d4fc6f7c592d302bd98e8ffed420f09 SHA-256: e42412ef1af8f72e8833eda3f3bfeff2e587d8392b2d4cbe73ee714a221dcffa

188 Risk Score

Malware Insights

MITRE ATT&CK

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

The PDF file contains an XFA form with embedded script, triggering critical heuristics for CVE-2010-0188, an Adobe Reader LibTIFF exploit. This indicates the document is designed to exploit this vulnerability upon opening. The embedded script payload is likely responsible for executing the exploit and delivering a secondary payload, though its exact function is not fully discernible due to obfuscation. The presence of an embedded URL further supports the malicious intent.

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_0000034e.bin` `7a2dd2450c1a2f20315cdac68e6e451f93dda7a1fd318480b78a42cfc84a5b35`	pdf-embedded-script	PDF raw stream script payload at offset 0x34E	15701 bytes

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