Malicious PDF — malware analysis report

Static analysis result for SHA-256 dad9759cd622a674…

MALICIOUS

PDF

45.1 KB
MD5: 0333683b7b6831fb7ba08bbe142a7874 SHA-1: 7a0078d0b641c2047278b381f83c61d02b368fc7 SHA-256: dad9759cd622a67429b6116249f27ebde371d728c7baf7adba58768973e2c0cd
84 Risk Score

Malware Insights

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

The PDF file contains embedded JavaScript, indicated by the PDF_JAVASCRIPT and PDF_JS heuristics. The ClamAV detection for Heuristics.PDF.ObfuscatedNameObject further suggests malicious intent through obfuscation. While the document body is unreadable, the presence of JavaScript points to an attempt to exploit vulnerabilities within the PDF reader. The embedded URLs, though not directly malicious, are related to XFA forms, which are often targeted in PDF exploits.

Heuristics 5

  • ClamAV: Heuristics.PDF.ObfuscatedNameObject critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Heuristics.PDF.ObfuscatedNameObject
  • JavaScript action low PDF_JAVASCRIPT
    PDF contains a /JavaScript action. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • Embedded JS stream low PDF_JS
    PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
  • 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/xci/2.6/
    • http://www.xfa.org/schema/xfa-template/2.6/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
javascript_obj0012_000.js
5b5adef442141bdcf2f8d92e4cbe82817c2f0fb7fd20156dc1be6e722c976a90		 pdf-javascript-stream PDF /JS object 12 at offset 0xA204 3557 bytes

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