Malicious PDF — malware analysis report

Heuristics 6

• 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.
• PDF carries website-builder CDN document link farm medium PDF_CDN_PDF_LINK_FARM
  PDF contains many clickable PDF links parked on website-builder CDNs or simple download gateways together with visible ebook, manual, or download lure text. This matches generated SEO document carriers used to route users through untrusted link/download chains; the PDF itself is an inert link carrier.
• 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://ggtraff.ru/strik?keyword=joanna+thomas+porn In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365575/normal_5f870c3b40779.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366017/normal_5f870e5577186.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4375194/normal_5f8c7cc086858.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388062/normal_5f933a2dbbf9a.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368471/normal_5f87cd01809bc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365634/normal_5f8709a908435.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393036/normal_5f925b663a019.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4408348/normal_5f937606af5be.pdfIn PDF document text
  • https://s3.amazonaws.com/dazinibonofobi/radical_candor_online.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/anatomy_and_physiology_3rd_edition.pdfIn PDF document text
  • https://s3.amazonaws.com/leguvefu/benefits_of_globalisation_in_developing_countries.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007271.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007271.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off0000a915.bin)
  • https://uploads.strikinglycdn.com/files/e59822ca-dab7-4bef-a98f-0d7398fecc67/eureka_endeavor_nls_belt_replacement.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a24a6305-6d18-4cb9-8682-8d1ae6be8715/69944958184.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ba90f4a0-7813-4fb3-97db-5ba5f1cdd8ed/kabeguro.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/4415/4791/files/3802825812.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/7962/8483/files/tutorial_de_ganttproject_en_espaol.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/7143/6466/files/physical_chemistry_atomic_structure.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/7650/9080/files/nomeximive.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1028d9e1-b6e8-43fc-b994-9ae2b0de50d0/super_campeones_capitulo_129_audio_l.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/ce321072-a8c2-48b1-a35a-aace71880b08/21640370807.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a4da8e9f-2daf-4cfd-9f50-5ebc0159aa15/poboxerekoru.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/51dcff5d-566d-4e92-ab96-fe4f773be999/kabiwexexumoxo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/84b5df6f-916e-4503-adc7-f22c0744e6fb/towiruneribovutarazeraji.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_off00007271.bin)

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