PDF malware analysis — malicious · 98028d32d2871cf9

MALICIOUS

PDF

16.2 KB

MD5: f4082211572ce8b7f9fb0771e1ef7d12 SHA-1: fec543061812a74402e8088e04880697d19287ce SHA-256: 98028d32d2871cf9636f30eb7bc3f452aa0e1e3f40a12cf33d55185c127aaf91

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1566.001 Spearphishing Attachment T1059.001 PowerShell

The sample is a PDF file that leverages the CVE-2010-0188 exploit targeting Adobe Reader's XFA forms. This exploit allows for the execution of arbitrary code, likely to download and run a secondary payload. The embedded script and the nature of the exploit indicate a malicious intent to compromise the user's system.

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` `17fd2e2a56c58ca02e61996d9072863368ab4aa3b585a52459ee7d97ed1a5cc0`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	15885 bytes

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