PDF malware analysis — malicious · bb0c00913518961c

MALICIOUS

PDF

16.2 KB

MD5: a54d430a36576a6de1599de4e8925b0d SHA-1: b64db96d79c3b6ba61c2341567eb59b4107f4f4c SHA-256: bb0c00913518961c0a256255f47917e5dde9ade48a432cc5843674de5c7da5fb

188 Risk Score

Malware Insights

MITRE ATT&CK

T1204 Malicious Link T1204.002 Malicious File T1059 Command and Scripting Interpreter

The sample is a PDF file that leverages the CVE-2010-0188 vulnerability in Adobe Reader's handling of XFA forms. An embedded XFA script is present, which is highly indicative of malicious intent. The script is likely designed to download and execute a second-stage payload, exploiting the identified vulnerability. The ClamAV detection further confirms its malicious nature.

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` `5e0fd4a075568a45b356e6f13edcaf58391357b690bc5ab7ec91cfd2b0516f94`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	15901 bytes

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