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=murder+mystery+osrs+guide In PDF document text

  • https://cdn-cms.f-static.net/uploads/4375210/normal_5f8fdd1ca0e77.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4388819/normal_5f9664a721e07.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365567/normal_5f86f52df1ea3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4389604/normal_5f97920c49c64.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4381980/normal_5f8dd774c9b76.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4369332/normal_5f8d97882a3a8.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365551/normal_5f9088574dc13.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366048/normal_5f8717b03bdd6.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4403413/normal_5f93aaec18a16.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374533/normal_5f94957cd7b1f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4410714/normal_5f97622def93e.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4392442/normal_5f94c4f1d16f1.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4374540/normal_5f8f2b03d4f31.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006c51.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006c51.bin)
  • https://s3.amazonaws.com/wujapu/34040208951.pdfIn PDF document text
  • https://s3.amazonaws.com/levumoduf/temario_subalterno_ayuntamiento_valencia_2018.pdfIn PDF document text
  • https://s3.amazonaws.com/sugaguxagu/exercicios_analise_combinatoria_e_probabilidade.pdfIn PDF document text
  • https://s3.amazonaws.com/tadovu/99552639791.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/6925/1487/files/18285500612.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0506/3524/3670/files/android_textview_underline_bold.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0440/4274/8069/files/nycers_tier_6_automotive.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/0796/4870/files/jezemax.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_off00006c51.bin)

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