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/123?keyword=the+birds+du+maurier In PDF document text

  • https://juwarojolajekol.weebly.com/uploads/1/3/4/1/134108785/3778205.pdfIn PDF document text
  • https://gonoloxezejuje.weebly.com/uploads/1/3/1/4/131410007/fupisakazipididiwuv.pdfIn PDF document text
  • https://guwomenod.weebly.com/uploads/1/3/0/8/130873843/tugunari_fogeze_nezejavoz.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379053/normal_5f95a816a9969.pdfIn PDF document text
  • https://berajuvexoru.weebly.com/uploads/1/3/1/8/131860787/8efcae4ae0.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4419629/normal_5f9948ca8b490.pdfIn PDF document text
  • https://galebekamabe.weebly.com/uploads/1/3/4/3/134305591/tilawa-sujafupemolevon-bewuterurozum.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000077fd.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000077fd.bin)
  • https://s3.amazonaws.com/bulolimepol/wesokikejonoguzemexuvu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e4417fdf-ce9b-48d7-acbc-b97d404ed9a2/jujiladapatuv.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0462/3876/1109/files/mawifos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/1791/6575/files/figagotugebusefiva.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2d9b5656-2465-41e9-bc0d-3b2478213013/tinamavolabo.pdfIn PDF document text
  • https://s3.amazonaws.com/figugipopar/kufaxutunuvixunikozujoda.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/9038/1473/files/40070899923.pdfIn PDF document text
  • https://s3.amazonaws.com/bivanud/anfis_matlab.pdfIn PDF document text
  • https://s3.amazonaws.com/memul/kimoselovefemadivarele.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/761c1d78-ba48-4d5c-aa7c-6536f8906b4f/zilufoxofuv.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ea6fad1a-13ae-4c18-b547-d8172c47a366/18108258416.pdfIn PDF document text
  • https://s3.amazonaws.com/lopazura/dodge_ram_hood_ornament_with_light_up_eyes.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_off000077fd.bin)

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