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/pify?keyword=wheelchair+ramp+plans+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4373516/normal_5f8a83b4a6bd9.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368950/normal_5f87be13a4bcd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4380209/normal_5f8af893ee749.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368265/normal_5f886554328f8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4416786/normal_5f94f8ef7a72c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392209/normal_5f924c396f7ac.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368488/normal_5f87d73991756.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379474/normal_5f95a47e49cd2.pdfIn PDF document text
  • https://zimiduninu.weebly.com/uploads/1/3/1/6/131637103/36b6bdc420bff0d.pdfIn PDF document text
  • https://mefemanodi.weebly.com/uploads/1/3/1/4/131454269/57821.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00007091.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00007091.bin)
  • https://uploads.strikinglycdn.com/files/ff30fcd4-eabc-47f2-9d5e-fdf8eb7efc88/dedimazozu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ca1de5c-b99a-45a6-9b3f-9db5b9c61658/84942152189.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6e771437-d650-47dc-96de-0e2cfa9d483e/nosoxevuxirovepadekonebum.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/7838/3282/files/vulojavalim.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0491/9135/4534/files/anatomia_cuerpo_calloso.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0498/9635/8044/files/prime_factorization_worksheets_with_answers.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/8609/4242/files/recibo_en_ingles_sinonimos.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0435/2730/7423/files/prudential_defined_income.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0484/6308/5722/files/96961052812.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0480/5086/4287/files/jurnal_sapi_potong.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/5418/6146/files/number_cards_printable.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_off00007091.bin)

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