Malicious PDF — malware analysis report

Static analysis result for SHA-256 8397385e6edb4c3b…

MALICIOUS

PDF

28.7 KB First seen: 2026-06-21
MD5: 5ea5fb20125b651bcedbcf86588c7159 SHA-1: 0db11ffe914047ba524f5c846fd8080f6b78238d SHA-256: 8397385e6edb4c3b476d96456f72f3586b726fcade24d068d7dd8f5e256aa101
234 Risk Score

Machine Learning

  • Nyx PDF Classifier malicious score 1.0000

Heuristics 6

  • ClamAV: Swf.Exploit.Kit-513 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Swf.Exploit.Kit-513
  • RichMedia (Flash) high PDF_RICHMEDIA
    PDF contains /RichMedia (Adobe Flash) which is a historic exploit vector
  • Suspicious extracted artifact medium 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.
  • JavaScript action low 1 related finding 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.
  • Embedded file low PDF_EMBEDDED
    PDF embeds a file attachment — could carry an executable or another weaponised document as a nested payload

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
mnqeahbBmfZr.swf pdf-embedded-file PDF EmbeddedFile object 14 at offset 0x413 27931 bytes
SHA-256: 82959a74bd2f365dbaff0af8a126e8d6efed63f658723f179f7020ea3628ed8b
Detection
ClamAV: Swf.Exploit.Kit-513
Obfuscation or payload: likely
actual_type=SWF; declared_or_context_type=PDF; filename=mnqeahbBmfZr.swf; kind=pdf-embedded-file Carved artifact entropy is 7.99, consistent with packed or encrypted content.

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