Malicious PDF — malware analysis report

Static analysis result for SHA-256 05067caa1a54ccb4…

MALICIOUS

PDF

16.0 KB
MD5: 4f6fead4c5cc2f39913353d6e5f4e946 SHA-1: 09f054bf5cdc3e60f058d01f0872dcace5dc6f53 SHA-256: 05067caa1a54ccb42a800bc8820435f86c54d8fd61887d377ea68704f03e2071
168 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.007 JavaScript

The file is a PDF document identified as malicious by multiple heuristics, including a critical alert for the CVE-2010-0188 exploit targeting Adobe Reader's XFA functionality. An embedded JavaScript payload was extracted, which is likely responsible for executing the exploit and downloading further malicious content. The ML classifier strongly supports the malicious verdict.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • 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.
  • ClamAV: Pdf.Exploit.Agent-6136306-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Exploit.Agent-6136306-0
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded script payload in PDF stream low 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.
  • 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_00000354.bin
b9eba7d7ec10289038aa24bf90e21d38dc121b7288307ee6685f095fe75dcdc6
pdf-embedded-script PDF raw stream script payload at offset 0x354 15675 bytes