Malicious PDF — malware analysis report

Heuristics 4

• Image lure linking to an SEO redirector (free-download phishing) high PDF_SEO_UTM_REDIRECTOR_LINK
  PDF embeds an image with little or no body text and a clickable link to a multi-word utm_term / FeedBurner-proxied SEO redirector — the 'free ebook / solution-manual / document download' phishing family that ranks for natural-language search queries and routes the user into a payload/redirect chain. The PDF carries no exploit; the risk is the linked destination. Flagged structurally (image lure + SEO redirector) so it does not depend on a ClamAV/ML signature, and regardless of how many filler text pages the lure carries.
• External URI info PDF_URI
  PDF contains an external URL action
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• 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 https://traffset.ru/123?keyword=chapter+7+skeletal+system+answer+key PDF link annotation

  • https://cdn-cms.f-static.net/uploads/4408177/normal_5fa40de7d7f0c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367287/normal_5f9f28d759935.pdfIn PDF document text
  • https://gokipeko.weebly.com/uploads/1/3/4/3/134351508/2441624.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380226/normal_5f8cb486e92f9.pdfIn PDF document text
  • https://vefoxetewezelir.weebly.com/uploads/1/3/1/4/131483279/3909662.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000082c4.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000082c4.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000b90b.bin)
  • https://s3.amazonaws.com/mokuwanibof/robovilubujutivodakit.pdfIn PDF document text
  • https://s3.amazonaws.com/rotowan/ashrae_90._1_2013_free_download.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f2b8c3fe-7ea8-4578-94ef-7f114ac3d36d/36738872236.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a6ffe8b7-9e3f-4d4f-8dc7-2617799f1f0d/tamizikum.pdfIn PDF document text
  • https://s3.amazonaws.com/somamere/builtwithscience_workout_b.pdfIn 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/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off000082c4.bin)

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