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.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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/aws?keyword=free+v+bucks+codes+2020+ps4 In PDF document text

  • https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/3511852.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393348/normal_5f8e6b931028f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403117/normal_5f92c57732670.pdfIn PDF document text
  • https://fodezamu.weebly.com/uploads/1/3/1/4/131407453/jepadunuxado_papasakikev_wojolil.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379491/normal_5f96754d59a6d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379719/normal_5f8ecf503e1a3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4406223/normal_5f992532e0349.pdfIn PDF document text
  • https://kobigaxa.weebly.com/uploads/1/3/3/9/133997295/gopepakaza-vilorufisozo.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372100/normal_5f8bcc3559d90.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369769/normal_5f907d081b44c.pdfIn PDF document text
  • https://porelananov.weebly.com/uploads/1/3/0/7/130775759/b6077b58ea7457.pdfIn PDF document text
  • https://jumuwubugunitus.weebly.com/uploads/1/3/1/0/131070493/7414141.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372737/normal_5f8ffb5f0bbce.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379473/normal_5f8dab88dcc27.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00004add.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00004add.bin)
  • https://s3.amazonaws.com/memul/33320441148.pdfIn PDF document text
  • https://s3.amazonaws.com/xukonakefules/visegilone.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/2808/4896/files/que_es_amar_a_tu_pareja.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/4563/3693/files/67794964237.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/3276/3801/files/coldest_place_in_the_world_right_now.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/1788/2776/files/old_fashioned_games_on_android.pdfIn PDF document text
  • https://s3.amazonaws.com/gupuso/56319284048.pdfIn PDF document text
  • https://s3.amazonaws.com/felasorarabipis/71064594209.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0485/7875/6768/files/vujazosi.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_off00004add.bin)

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