Malicious PDF — malware analysis report

Static analysis result for SHA-256 e450005c8547fe39…

MALICIOUS

PDF

12.8 KB
MD5: 7239c4a5684b4d011f1426186666aaba SHA-1: ca9d75b67127bb9376fcbc90df91fc15fdefd7ff SHA-256: e450005c8547fe39fd20f57c2a2c9a5832fd6cc40e4e76c942a7a2bb1538b4b4
188 Risk Score

Malware Insights

MITRE ATT&CK
T1204.002 Malicious File T1566.002 Spearphishing Attachment T1059.001 PowerShell

The PDF file contains an XFA form that leverages the CVE-2010-0188 exploit targeting Adobe Reader's LibTIFF component. An embedded script is present, indicating the file's intent is to download and execute a second-stage payload. The embedded URL is likely part of this malicious chain.

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_00000384.bin
28cc19449ab03247bc2774f38135312b6dc0bd9ceb114c47a1a9bc353cb1fc83		 pdf-embedded-script PDF raw stream script payload at offset 0x384 12288 bytes

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