PDF malware analysis — malicious · 1c70f39765b4952e

MALICIOUS

PDF

12.7 KB

MD5: 98402f87c175be3a0931fa08e0bc3e46 SHA-1: 1fd3096054502433c8c3266509c661a52d302b5e SHA-256: 1c70f39765b4952e5e9a11f0b4c1c4b93ae5f4ae6d3ef627f3d21db05811a540

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell

The PDF file contains an XFA form and an embedded script, triggering critical heuristics for CVE-2010-0188 (Adobe Reader LibTIFF XFA image exploit) and ClamAV detection (Pdf.Exploit.Agent-6136306-0). The embedded script, likely responsible for executing the exploit, is too obfuscated to determine its exact function, but the presence of XFA and script markers strongly indicates an exploit delivery mechanism. The embedded URL is likely related to the XFA template but has an unknown reputation.

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_00000384.bin` `bf203359e861e02e8a071a65c8c8aeca06272bc40d41976ca9e6e8c617a98309`	pdf-embedded-script	PDF raw stream script payload at offset 0x384	12276 bytes

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