Malicious PDF — malware analysis report

Static analysis result for SHA-256 aa8d73f332ed0bcf…

MALICIOUS

PDF

123.5 KB Created: 2022-06-17 21:56:22 Authoring application: Ccna Routing And Switching Certification Exam venus (via FPDF 1.82) First seen: 2026-06-06
MD5: 34b17e86d34b2ae869a28ad3aefb3b07 SHA-1: 8fdb9ddba9065078ded22ed14379b721ff114341 SHA-256: aa8d73f332ed0bcfab2b207593ad14b873a2cf3608c0ef27a97203f5c2dc3015
92 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0013

Heuristics 3

  • Invisible/repeated PDF links deliver payload file critical PDF_REPEATED_PAYLOAD_LINK_LURE
    PDF uses invisible link annotations and points to a direct payload download. Repeated invisible links or lure-like payload names such as document/unlock/verify archives match malware-delivery PDF carriers where the page is only a prompt and the real payload is fetched from the linked URL.
  • PDF carries SEO doc-farm redirector links (/pdf/<domain>) medium PDF_SEO_DOC_REDIRECTOR_LINK_FARM
    PDF contains clickable redirector links whose path ends in a bare website domain behind a /pdf/ or /doc/ segment (e.g. 'host/Document-Title-Slug/pdf/target-site.tld'), paired across both variants and/or alongside links into WordPress form-plugin upload storage. This is the generated 'free document/template' SEO phishing family: scrambled filler text plus links that route searchers through a redirector into payload/redirect chains. The PDF itself carries no exploit — the risk is the linked destinations.
  • 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://accessmxxx.site/Ccna-Routing-And-Switching-Certification-Exam/pdf/sfpathway.com In PDF document text
    • http://accessmxxx.site/Ccna-Routing-And-Switching-Certification-Exam/doc/sfpathway.comIn PDF document text
    • https://sfpathway.com/wp-content/uploads/formidable/6/change-time-between-password-requests.pdfIn PDF document text
    • https://sfpathway.com/wp-content/uploads/formidable/6/lien-agreement-on-the-land.pdfIn PDF document text
    • https://sfpathway.com/wp-content/uploads/formidable/6/heart-rate-monitor-app-data-schema.pdfIn PDF document text
    • https://sfpathway.com/wp-content/uploads/formidable/6/tie-back-agreement-definition.pdfIn PDF document text
    • https://sfpathway.com/wp-content/uploads/formidable/6/hillsborough-county-clerk-of-court-property-records.pdfIn PDF document text
    • https://sfpathway.com/wp-content/uploads/formidable/6/gpr-personal-statement-sample.pdfIn PDF document text
    • http://accessmxxx.site/ccna-routing-and-switching-certification-exam/doc/sfpathway.comIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_024_off0001e126.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x1E126 76950 bytes
SHA-256: 43b13684882d332187dbe2691d5e4f64c33a98e381a4dc2316374ba1b923b47c

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