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://gettraff.ru/123?keyword=standoff+2+hack+apk+2020 In PDF document text

  • https://vuxozajuje.weebly.com/uploads/1/3/1/3/131379873/jatelu-zukolugaw.pdfIn PDF document text
  • https://pebiname.weebly.com/uploads/1/3/1/4/131453048/zaxipov-butanati-tajunefali.pdfIn PDF document text
  • https://sesorefamasupuv.weebly.com/uploads/1/3/1/0/131071262/8028059.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365627/normal_5f883ee800656.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366063/normal_5f89025633770.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366375/normal_5f8763523e074.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366359/normal_5f8726e27d961.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365998/normal_5f8701803e96b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4367005/normal_5f8730dd9723b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379035/normal_5f8b0ebeae19c.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379032/normal_5f8a2b029c714.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366400/normal_5f8770ad43351.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366331/normal_5f87b2c9334d3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368770/normal_5f8ab4afa133b.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4368467/normal_5f881e4097fb7.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006ce0.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006ce0.bin)
  • https://cdn.shopify.com/s/files/1/0268/7621/5482/files/instagram_blue_tick_apk_download.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/4673/0390/files/widadogefapuxe.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0433/8040/8476/files/game_gun_mayhem_2_nguoi_choi.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_off00006ce0.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a2cf.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a2cf.bin)

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