Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9110874e5bf7e34…

MALICIOUS

PDF

12.8 KB
MD5: c585195fc578c6508c3ce6fb29d92e67 SHA-1: 30c95bdc0d2d35a9c043106fff9897244a26fbef SHA-256: e9110874e5bf7e343536421210cd433aec526f1c5e53447fe2168aaf4aafe6b3
190 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File: User Execution T1059.001 Command and Scripting Interpreter: PowerShell T1059.003 Command and Scripting Interpreter: Windows Command Shell

The PDF file contains an XFA form which is known to be a vector for exploits. Specifically, the CVE-2010-0188 heuristic indicates exploitation of a LibTIFF vulnerability within Adobe Reader's XFA processing. An embedded script payload was also detected, suggesting the exploit's purpose is to execute arbitrary code. The ClamAV detection further confirms the malicious nature of the file, identifying it as Pdf.Exploit.Agent-6136306-0.

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.

FilenameKindSourceSize
embedded_pdf_script_00000359.bin
48ce6fe5a2bf830593ef53ea8a83d68f4f4c1dc5328ecd37dc65da0a740e9561
pdf-embedded-script PDF raw stream script payload at offset 0x359 12394 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).