Malicious PDF — malware analysis report

Static analysis result for SHA-256 057a11df1bb1c219…

MALICIOUS

PDF

73.3 KB
MD5: 5011923521cc931fd8464bc0fdb95db1 SHA-1: acbd40809898e64d4d277319c1f36d4b0e66e2fb SHA-256: 057a11df1bb1c21962205cd40da018f7a619bd5923b10a8f752a8f5cb2e5187e
168 Risk Score

Malware Insights

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

The PDF file contains embedded XFA content that triggers CVE-2010-0188, an exploit targeting Adobe Reader. The embedded script, which appears to be JavaScript, is likely responsible for executing the exploit payload. The script content is obfuscated, but its presence within an exploit context strongly suggests it's designed to download and execute a second-stage payload.

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_0000034e.bin
d42585da26d1f3340e580fc0b219ab199d433bd58091d440e2675ccc912a4124
pdf-embedded-script PDF raw stream script payload at offset 0x34E 74342 bytes