Malicious PDF — malware analysis report

Heuristics 4

• 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 is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• 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/123?keyword=reverend+parris+the+crucible In PDF document text

  • https://cdn-cms.f-static.net/uploads/4366000/normal_5f8932f27a9e3.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4365539/normal_5f873d2c5e9bd.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366976/normal_5f8730584e94d.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4371543/normal_5f97890d1654f.pdfIn PDF document text
  • https://cdn-cms.f-static.net/uploads/4366376/normal_5f8943f991c26.pdfIn PDF document text
  • https://wedebiki.weebly.com/uploads/1/3/0/9/130969436/5260355.pdfIn PDF document text
  • https://kuromazu.weebly.com/uploads/1/3/2/6/132695519/kijanuwugedu.pdfIn PDF document text
  • https://gewosawoma.weebly.com/uploads/1/3/0/7/130739201/173668.pdfIn PDF document text
  • https://tejigenunonim.weebly.com/uploads/1/3/0/8/130813632/0e7825e7c8476.pdfIn PDF document text
  • https://vozunutav.weebly.com/uploads/1/3/0/9/130969695/ruxaju_kufogepax.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000067f5.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000067f5.bin)
  • http://www.daltonmaag.com/In extracted file (font_02_sfnt_off00009b49.bin)
  • https://s3.amazonaws.com/gupuso/89382488616.pdfIn PDF document text
  • https://s3.amazonaws.com/pazifetanegapu/h_pylori_tratamiento.pdfIn PDF document text
  • https://s3.amazonaws.com/sezebepit/balun_canan_rosario_castellanos.pdfIn PDF document text
  • https://s3.amazonaws.com/bisute/74390437242.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/9535/9642/files/4th_and_goal_2016_cool_math_games.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0268/7660/8685/files/game_of_life_instructions.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0500/5941/1647/files/shadar_kai_elf_5e_mordenkainen.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1ad689fa-594c-4886-847f-85b5cdf8d87a/kefifajepafogolujiwubu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/6f996d48-3195-4a5b-a484-d63f05a4a050/39995276367.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/53d6bee3-bdbf-40ea-ab5d-4f38f1047080/sivuma.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_off000067f5.bin)

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