Malicious PDF — malware analysis report

Static analysis result for SHA-256 34a34d3380968811…

MALICIOUS

PDF

90.1 KB
MD5: 8c92faedf10e5c7d483d3b94b6779d3c SHA-1: 47142f3397cfb8b55ab94f114bc2c3ee11cb795f SHA-256: 34a34d3380968811447d24131357fe4b808b5eb02b8644ee9691d14aec4b9f45
196 Risk Score

Malware Insights

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

The file is a PDF document that exploits the CVE-2010-0188 vulnerability in Adobe Reader. This is indicated by the critical heuristic firing for CVE_2010_0188 and the ClamAV detection. The PDF contains an embedded script payload within an XFA form, which is designed to execute the exploit. The document body appears to be obfuscated or truncated, preventing a clear understanding of its social engineering pretext, but the exploit mechanism is clear.

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.
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • 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://ns.adobe.com/xdp/
    • http://www.xfa.org/schema/xfa-template/2.5/
    • http://www.xfa.org/schema/xfa-data/1.0/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0008.bin
77d5480db253a45b7af25a2eb2a2c8216ef931f5637b04cc26bb176483c39d53		 pdf-embedded-file PDF EmbeddedFile object 8 at offset 0xC8 91517 bytes

Open this report in the interactive analyzer, or submit your own file for analysis.