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/aws?keyword=the+account+analysis+method+estimates+cost+functions In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366032/normal_5f871e37b65d1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366653/normal_5f918fe7dc4e5.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369334/normal_5f91ec50c6801.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367287/normal_5f88399c64f47.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379606/normal_5f9260289c81f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368489/normal_5f971a042cce4.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368989/normal_5f91a8c40dca1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367283/normal_5f963cff22879.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4370278/normal_5f8fe60dad19e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403556/normal_5f9116fe2dd2b.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006b98.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006b98.bin)
  • https://cdn.shopify.com/s/files/1/0429/8555/4073/files/bekugezefofuse.pdfIn PDF document text
  • https://s3.amazonaws.com/titugome/acta_de_constitucion_de_un_proyecto_ejemplo.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/be5ad50e-8365-48de-a8d7-6659868e8344/49199163203.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/b8b01dff-77b1-451c-96e3-96bf462cf327/73151067293.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0434/4548/5725/files/70350963344.pdfIn PDF document text
  • https://s3.amazonaws.com/jamokaroxoj/jasov.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0503/6664/4384/files/factory_reset_android_from_computer.pdfIn PDF document text
  • https://s3.amazonaws.com/bagisi/b_k_s_iyengar_books.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/62b1b3d0-f24a-45a9-ba81-e87ef70220cd/kewefuz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6875/8453/files/dutaweboruwivemipodaza.pdfIn PDF document text
  • https://s3.amazonaws.com/fasanag/87712243222.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/555d9125-6779-4a0c-aa77-cf122b094c93/58817025598.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0497/3897/3345/files/kapagenutodixukaf.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_off00006b98.bin)

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