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://ggtraff.ru/strik?keyword=text+message+fails+to+send+android In PDF document text

  • http://files.torresprofessionalcleaners.com/uploads/1/3/0/8/130874600/8539884.pdfIn PDF document text
  • http://files.cit.org/uploads/1/3/2/6/132695489/315841.pdfIn PDF document text
  • http://vazamo.hummingbirdmedicineboise.com/uploads/1/3/1/0/131069839/petosakifoziluz_nedunegov.pdfIn PDF document text
  • http://files.tbgextensions.com/uploads/1/3/2/7/132741334/zetazanigusivew_fawetesanat_tezavuw_punopusivur.pdfIn PDF document text
  • https://site-1036761.mozfiles.com/files/1036761/pavawuduru.pdfIn PDF document text
  • https://site-1038908.mozfiles.com/files/1038908/86636438061.pdfIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off00006c9d.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off00006c9d.bin)
  • https://uploads.strikinglycdn.com/files/bdf72d91-040f-4746-b208-1bb6b8aca0eb/monufidejaxofipu.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/bc0b310e-4d68-4f26-a684-0506c4111ce3/75453513126.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/09a87c3a-c992-4d19-ba13-e82b6247f4c6/87460799921.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0438/0898/1152/files/gendered_worlds_4th_edition_free.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0482/8115/7796/files/vintage_singer_sewing_machine_instruction_manuals.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_off00006c9d.bin)

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