PDF malware analysis — malicious · 1b36644b344c73fe

MALICIOUS

PDF

16.2 KB

MD5: ce2c293bbd1a26a51025a3911038bda4 SHA-1: 0d7d92c75f2858398fdfc3500ff3e0b46ebed4bd SHA-256: 1b36644b344c73feb8d2076df5b718a73d0672687fd8372f17b947cfbdade09e

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1566 Phishing T1566.001 Spearphishing Attachment T1190 Exploit Public-Facing Application

The file is a PDF document identified as malicious by ClamAV, specifically detecting it as Pdf.Exploit.Agent-6136306-0. Static analysis reveals it utilizes XFA forms and exploits CVE-2010-0188, a vulnerability in Adobe Reader's handling of LibTIFF within XFA content. An embedded script payload was also detected, indicating the PDF is designed to download and execute further malicious content.

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` `29258f506a57fb0231124ffac75be40215c92b1435b4ea26ed793b11e7f4f931`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	15901 bytes

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