Malicious PDF — malware analysis report

Heuristics 5

• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• 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://ttraff.link/aws?keyword=ashoka+the+great+book+free+pdf+download In PDF document text

  • https://cdn-cms.f-static.net/uploads/4401976/normal_5f92019565124.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369654/normal_5f8f3e4066a59.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372960/normal_5f89e95d49314.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4382974/normal_5f8e1a2b20c3e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380219/normal_5f8c81c7b5df5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365634/normal_5f8ea34f09892.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383314/normal_5f93eb8a2484a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367959/normal_5f89ae740e0f8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4383929/normal_5f93bdfba295c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392853/normal_5f8ff0d541eae.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366042/normal_5f927762a05d2.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365560/normal_5f87219399ff3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408319/normal_5f924ba8a5459.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://www.daltonmaag.com/In PDF document text
  • https://uploads.strikinglycdn.com/files/d1d43cb3-5cf7-4dd7-8225-9e479a3b1ea6/29929080555.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/999378f9-8f2e-45a9-9180-6425284f7f6c/bejerazazosikipatunajeder.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/664c447a-bfe1-412a-8017-53ac0117db53/77073142448.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/23573136-76d9-4397-99ae-583cb65380f5/zumapel.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ce9c694f-d9d9-4658-87df-7e1868ced7d1/biology_notes_for_ssc_je.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4222/5831/files/nuclear_chemistry_worksheet_1.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8851/9074/files/pevabenudovudirikujop.pdfIn PDF document text
  • https://s3.amazonaws.com/dapekufoxiraku/python_book_for_advanced_programmers.pdfIn PDF document text
  • https://s3.amazonaws.com/wonoti/gomitajulifaxi.pdfIn PDF document text
  • https://s3.amazonaws.com/mijedusovineti/viposawavi.pdfIn PDF document text
  • https://s3.amazonaws.com/pibabopuduj/tijujuvoza.pdfIn PDF document text
  • https://s3.amazonaws.com/baposivarabuj/causative_have_exercises_advanced.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 PDF document text

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