Pdf.Dropper.Agent-7166095-0 — PDF malware analysis

Static analysis result for SHA-256 5f93ec1b1e7dea42…

MALICIOUS

PDF

18.6 KB
MD5: 213a503c662790ca63a01a47e418c30a SHA-1: 6115c11c15787c70a8de0ed092506272f2c058a0 SHA-256: 5f93ec1b1e7dea428cc67c221c8552a9dce7d8cfcc0701f824da04a4736820f4
118 Risk Score

Malware Insights

Pdf.Dropper.Agent-7166095-0 · confidence 95%

MITRE ATT&CK
T1059.007 JavaScript T1566.001 Spearphishing Attachment

This PDF file was flagged as malicious by multiple heuristics, including a critical ClamAV detection and an ML classifier. It contains an embedded script payload and an embedded file, indicating it is designed to download and execute a secondary stage. The presence of XFA form elements and embedded scripts suggests an attempt to exploit PDF vulnerabilities for initial execution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9999

Heuristics 6

  • ClamAV: Pdf.Dropper.Agent-7166095-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Dropper.Agent-7166095-0
  • 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 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.
  • Suspicious extracted artifact info EXTRACTED_FILE_STATIC_TRIAGE
    One or more files extracted from inside this sample matched static suspicious-content checks such as script obfuscation, encoded payload blobs, packed data, or execution/download terms.
  • 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/1.0/
    • http://www.xfa.org/schema/xfa-template/2.4/
    • http://www.xfa.org/schema/xfa-data/1.0/
    • http://ns.adobe.com/xtd/
    • http://www.xfa.org/schema/xfa-form/2.8/

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
embedded_file_obj0080.bin
fb3044549511e2a65d7bfddef798c757b83535441398fa927fb01f5d3ff1b025		 pdf-embedded-file PDF EmbeddedFile object 80 at offset 0x5C 24936 bytes
Detection
ClamAV: No threats found
Obfuscation or payload: likely
Carved artifact contains 1 long base64-like blob(s).

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