Malicious PDF — malware analysis report

Static analysis result for SHA-256 a213ec3275348ca5…

MALICIOUS

PDF

16.3 KB
MD5: 17dfadf12f38de4e739540d80ed8d7a6 SHA-1: 183223d2788a9efff356a49a4206d13ab21726db SHA-256: a213ec3275348ca541a52916c2aef1c616554bd340432aa634f257216d9742ba
188 Risk Score

Malware Insights

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

The PDF file contains an XFA form which is known to be vulnerable to exploits. Specifically, the CVE-2010-0188 exploit was detected, targeting a vulnerability in Adobe Reader's handling of XFA forms. The embedded script payload, likely used to deliver the exploit, indicates a malicious intent to compromise the user's system.

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_00000359.bin
c4e41d8380b00b4db01ec0736c73c0a2a2a47c2818bbe6bf5de64efb1d3a6b4a		 pdf-embedded-script PDF raw stream script payload at offset 0x359 15926 bytes

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