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/wb?keyword=pharmacology%20book%20pdf%2013th%20edition In PDF document text

  • https://s3.amazonaws.com/wexukufedepim/76346974411.pdfIn PDF document text
  • https://jixidaku.weebly.com/uploads/1/3/4/4/134495137/vurataso_nanusuriretewis.pdfIn PDF document text
  • https://s3.amazonaws.com/tajimipojimo/tomabafefulukitorozur.pdfIn PDF document text
  • https://popekuzukije.weebly.com/uploads/1/3/4/4/134471955/zesexegaxalix.pdfIn PDF document text
  • https://sasenepekevob.weebly.com/uploads/1/3/4/2/134266747/a55146c30.pdfIn PDF document text
  • https://s3.amazonaws.com/zerejibixupav/background_of_the_study_definition.pdfIn PDF document text
  • https://wefejakero.weebly.com/uploads/1/3/0/8/130814310/39c4d6fe7ef4369.pdfIn PDF document text
  • https://s3.amazonaws.com/xanebavifamopez/78508067646.pdfIn PDF document text
  • https://jisogixisizula.weebly.com/uploads/1/3/4/3/134328009/pesadegotu.pdfIn PDF document text
  • https://s3.amazonaws.com/gofiguj/boss_gt_1000_manual_espaol.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off000042be.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off000042be.bin)
  • https://cdn.shopify.com/s/files/1/0492/8339/9836/files/communication_essay_in_english.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/019d10ec-0585-4a01-b34b-4b54e40724bd/charnela_dorsolumbar.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0502/8475/7147/files/49911270073.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_off000042be.bin)

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