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=bwv+582+pdf In PDF document text

  • https://cdn-cms.f-static.net/uploads/4365657/normal_5f89507608775.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365624/normal_5f8d9bb95c8fc.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4379733/normal_5f90fbc496982.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4393362/normal_5f8fca604ec67.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4372963/normal_5f8a3007d072b.pdfIn PDF document text
  • https://zewuxufasebi.weebly.com/uploads/1/3/4/3/134320084/bopewepidanumovuwi.pdfIn PDF document text
  • https://xogexemufak.weebly.com/uploads/1/3/1/4/131437987/vebufez_pedob.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006bf3.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006bf3.bin)
  • https://uploads.strikinglycdn.com/files/b4b38934-6759-4e99-8373-7eb50261c64d/14048295139.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/a144a0c2-4e26-4d3c-afd5-e4a00292faf6/mezuto.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5827/2691/files/buscopan_syrup_dosage_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7616/9109/files/zigomokavukaz.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0504/2064/6048/files/benzene_and_bromine_water_chemguide.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/5302/9797/files/quality_assurance_analyst_job_description.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0429/8460/3801/files/pepugezikodewatavuv.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_off00006bf3.bin)
  • http://dejavu.sourceforge.netIn extracted file (font_02_sfnt_off0000a164.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_02_sfnt_off0000a164.bin)

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