Malicious PDF — malware analysis report

Static analysis result for SHA-256 2d1c3c46d8f09bbe…

MALICIOUS

PDF

73.4 KB
MD5: 60afac0aecf148a6ed973780aa03970c SHA-1: 2dcc1371853710a8750f4c1a5e7796b01ca4dccb SHA-256: 2d1c3c46d8f09bbe766734fe4421971e0f4b61a504cd9a7e179d7dadf6ac75d1
188 Risk Score

Malware Insights

MITRE ATT&CK
T1203 Exploitation for Client Execution T1059.001 PowerShell

The PDF file contains an embedded script payload and triggers a critical heuristic for CVE-2010-0188, indicating exploitation of Adobe Reader's LibTIFF component. This suggests the file is designed to deliver a malicious payload via a known vulnerability. No document body text was available for further analysis of the lure, but the presence of an embedded script and the specific exploit are strong indicators of malicious intent.

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.

FilenameKindSourceSize
embedded_pdf_script_0000034e.bin
0d714ef82706f05b860017ceb3a46c5d936174a0900d60a9675cf061cafeedb4		 pdf-embedded-script PDF raw stream script payload at offset 0x34E 74422 bytes

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