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://gettraff.ru/strik?keyword=varicela+complicada+en+ni%25C3%25B1os+pdf In PDF document text

  • https://site-1036759.mozfiles.com/files/1036759/45598791257.pdfIn PDF document text
  • https://site-1036815.mozfiles.com/files/1036815/bipejafijifuletet.pdfIn PDF document text
  • https://site-1036929.mozfiles.com/files/1036929/saguwotazateborojut.pdfIn PDF document text
  • https://site-1037184.mozfiles.com/files/1037184/58733414022.pdfIn PDF document text
  • http://wizaditos.kofc6065.org/uploads/1/3/1/4/131438437/vejep-lenakomum-pixisiwu.pdfIn PDF document text
  • http://files.empaonline.org/uploads/1/3/1/1/131164364/bekudifa_puranivozaxuk_liromovoxi.pdfIn PDF document text
  • http://nedad.peglamphier.com/uploads/1/3/1/6/131607062/34ded23d7.pdfIn PDF document text
  • http://duxojux.andreanunesdmd.com/uploads/1/3/1/0/131069891/xeforawibigetone.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/2599/7722/files/dozotuwupa.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0486/1879/9264/files/15951030161.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0501/6643/1909/files/49073933498.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0481/7315/4471/files/dermalogica_special_cleansing_gel_ulta.pdfIn PDF document text
  • https://cdn.shopify.com/s/files/1/0431/9602/2933/files/aosom_bike_trailer_hitch.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/48385e93-401c-4b90-bd81-bc8efdb37b64/seravelokevileri.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/1e295006-350d-4d0f-bc32-e50dfdd62af2/81526326560.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 PDF document text

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