PDF malware analysis — malicious · c7d0a163d0b6ff11

MALICIOUS

PDF

12.6 KB

MD5: 381c972aec8c086898f78363b804d2c6 SHA-1: f3e904338a9e916b53718fc90a1c532283e4c0de SHA-256: c7d0a163d0b6ff11998de02e835bf37cb8f85a4519776745014c0212b7b50074

190 Risk Score

Malware Insights

MITRE ATT&CK

T1204.002 Malicious File T1059.001 PowerShell T1059.003 Windows Command Shell

The PDF file contains an XFA form with an embedded script, which is a known vector for exploiting Adobe Reader vulnerabilities. Specifically, the CVE-2010-0188 heuristic indicates a LibTIFF exploit targeting XFA content. The embedded script likely serves to download and execute a secondary payload, although its exact function is obscured by obfuscation. The ClamAV detection further confirms the malicious nature of the file.

Heuristics 7

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
Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE

One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
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` `c3a20a7a9aeb1dabf3cda4716599c03767b335344b1ed1c7f563afec777e68ad`	pdf-embedded-script	PDF raw stream script payload at offset 0x359	12188 bytes
Detection ClamAV: No threats found Obfuscation or payload: likely Carved artifact contains 1 eval/decoder/string-building token(s). Carved artifact contains 1 long base64-like blob(s).

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