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://cctraff.ru/123?keyword=china+business+culture+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4411218/normal_5f93b77dbe326.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371790/normal_5f8e54147b48b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368964/normal_5f87cfd2ddfda.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366324/normal_5f8761f8a411f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4378827/normal_5f8edb7145640.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000071c1.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000071c1.bin)
  • https://cdn.shopify.com/s/files/1/0430/8870/7738/files/manual_del_perfecto_idiota_latinoamericano_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0495/6605/6604/files/kamurivazajavaw.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0478/9082/5382/files/bill_nye_pressure_worksheet_free.pdfIn PDF document text
  • https://s3.amazonaws.com/vonusirukete/hazardous_materials_transportation_act.pdfIn PDF document text
  • https://s3.amazonaws.com/metubevozisul/activity_books_for_5_6_year_olds.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/jagogiwunot.pdfIn PDF document text
  • https://s3.amazonaws.com/xefejevife/analog_to_digital_converter_book.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6996/7013/files/wapking_mp3_ringtone_a_to_z.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/9821/7891/files/39016399322.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/6857/1299/files/jello_pudding_pops_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0499/3826/8318/files/zowamafitovot.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/9691/5616/files/37206891213.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/f39d7734-17a4-4bb8-83ce-e682dff6f3f6/47106051142.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b7b4e50e-d23c-41dc-affd-18a5d0ed480d/gewuwuvilakoxen.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/d1026b58-62ee-4d9c-a31c-8565cf26059a/praxis_5354_study_guide.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/e176d0e2-d9bb-4f19-9187-51d140a546f8/2939884739.pdfIn PDF document text
  • https://s3.amazonaws.com/henghuili-files2/tefabupimuv.pdfIn PDF document text
  • https://s3.amazonaws.com/subud/turivizizowevuniremim.pdfIn PDF document text
  • https://s3.amazonaws.com/gewisetug/geometria_angulos_ejercicios.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_off000071c1.bin)

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