Malicious PDF — malware analysis report

Static analysis result for SHA-256 d575764c90bf5d56…

MALICIOUS

PDF

28.4 KB First seen: 2012-09-24
MD5: 7aafcc719ff59658f60e75fc608b665a SHA-1: 3d3f073256bb3bd45a27515c84dd393fcd33f20b SHA-256: d575764c90bf5d56a7a6030771e18eab867a211172831bd4951977ecd594a1b6
70 Risk Score

Malware Insights

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

The PDF file contains embedded content and a script payload, indicating an attempt to exploit vulnerabilities. The presence of XFA form elements and PRC/3D content further suggests a complex document structure often used for exploitation. While no specific exploit is identified, the embedded script payload is the primary indicator of malicious intent, likely to download and execute a second-stage payload.

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 5

  • PRC/3D content in PDF medium CVE related PDF_PRC_3D
    PDF contains PRC 3D content. PRC/U3D parsers have been a recurring Adobe Reader attack surface; treat as a related parser-exploit indicator rather than a specific CVE match.
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload
  • XFA form low PDF_XFA
    PDF uses XML Forms Architecture — can contain script logic
  • Embedded script payload in PDF stream info 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://ns.adobe.com/xdp/ In PDF document text
    • http://www.xfa.org/schema/xci/1.0/In PDF document text
    • http://www.xfa.org/schema/xfa-template/2.5/In PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0002.bin pdf-embedded-file PDF EmbeddedFile object 2 at offset 0xCA 46 bytes
SHA-256: 0a2224c4023b216235b61c3fc4dd17bbfac1ab23a545687f51b97604cf654712
embedded_file_obj0008.bin pdf-embedded-file PDF EmbeddedFile object 8 at offset 0x153 228 bytes
SHA-256: 24c130f03a4cf51d470b536e94c1e58af67665739e200e0ce198ad41086243c0
embedded_file_obj0001.bin pdf-embedded-file PDF EmbeddedFile object 1 at offset 0x529 27206 bytes
SHA-256: f7b6ab077f1353b92cacb1d99f1ddf4272a9798df14119b7c844b92d0975d88d

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