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/strik?keyword=best+wallpapers+for+android+10 In PDF document text

  • https://site-1037082.mozfiles.com/files/1037082/1739289075.pdfIn PDF document text
  • https://site-1036711.mozfiles.com/files/1036711/vowugilorurivedabapi.pdfIn PDF document text
  • https://site-1039645.mozfiles.com/files/1039645/fejabotozevo.pdfIn PDF document text
  • https://site-1038868.mozfiles.com/files/1038868/didodobefezagu.pdfIn PDF document text
  • https://site-1037215.mozfiles.com/files/1037215/lojeretus.pdfIn PDF document text
  • https://site-1040975.mozfiles.com/files/1040975/98250496628.pdfIn PDF document text
  • https://site-1043537.mozfiles.com/files/1043537/nowaj.pdfIn PDF document text
  • https://site-1043569.mozfiles.com/files/1043569/51230607580.pdfIn PDF document text
  • https://site-1036724.mozfiles.com/files/1036724/85475867147.pdfIn PDF document text
  • https://site-1042100.mozfiles.com/files/1042100/kekaga.pdfIn PDF document text
  • https://site-1036785.mozfiles.com/files/1036785/zulagajusigi.pdfIn PDF document text
  • https://site-1045415.mozfiles.com/files/1045415/xelanomasugon.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000653e.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000653e.bin)
  • https://cdn.shopify.com/s/files/1/0499/1333/1870/files/the_abyss_dark_souls.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0430/7304/4642/files/nike_application_form.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0432/1899/3320/files/mno_compound_name.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0496/7170/0644/files/75886743939.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/6148/9047/files/57023198826.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_off0000653e.bin)

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