PDF static analysis report

Static analysis result for SHA-256 f1a8dc9ee1560b77…

CLEAN

PDF

6.23 MB Created: 2018-07-23 16:59:17 +00:00 Authoring application: calibre 1.48.0 [http://calibre-ebook.com] First seen: 2026-05-16
MD5: 7973d78e5006c3382040e49d7e1aff63 SHA-1: 5d6a73cb896e43f1a7976afdfc3014a660534df8 SHA-256: f1a8dc9ee1560b77795d6d9ca36b1116ee30184d305c7bdab7ca134e43b36a54
24 Risk Score

Machine Learning

  • Nyx PDF Classifier clean score 0.0749

Heuristics 3

  • Unusually high stream count medium PDF_MANY_STREAMS
    PDF contains 501+ stream objects — may indicate heap spray or heavy obfuscation
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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://prismstandard.org/namespaces/basic/2.0/ In PDF document text
    • http://calibre-ebook.com])/ProducerIn PDF document text
    • http://calibre-ebook.com])/TitleIn PDF document text
    • http://www.123magic.com/newslettersPDF link annotation
    • http://www.sourcebooks.comIn PDF document text
    • http://www.internetsafety.comIn PDF document text
    • http://www.netsmartz.orgIn PDF document text
    • http://www.wiredsafety.orgIn PDF document text
    • http://www.123magic.comPDF link annotation
    • http://calibre-ebook.comIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xmp/Identifier/qual/1.0/In PDF document text
    • http://ns.adobe.com/pdfx/1.3/In PDF document text
    • http://calibre-ebook.com/xmp-namespace-custom-columnsIn PDF document text
    • http://calibre-ebook.com/xmp-namespaceIn PDF document text
    • http://calibre-ebook.com/xmp-namespace-series-indexIn PDF document text
    • http://www.commonsensemedia.orgIn PDF document text

Related samples 8

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

Full JSON: related samples API

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_125_off005fc90b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5FC90B 80524 bytes
SHA-256: f37e83c16e3d1c185987b456217b7e3f7757d3d7d28db1f33da94671c581f66f

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