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=shrm+recertification+provider+program+guide In PDF document text

  • https://site-1040982.mozfiles.com/files/1040982/23567373926.pdfIn PDF document text
  • https://site-1039000.mozfiles.com/files/1039000/15003890336.pdfIn PDF document text
  • https://site-1039618.mozfiles.com/files/1039618/jonofazexitatowixogow.pdfIn PDF document text
  • https://site-1039167.mozfiles.com/files/1039167/wujil.pdfIn PDF document text
  • https://site-1043091.mozfiles.com/files/1043091/81214989162.pdfIn PDF document text
  • https://site-1039636.mozfiles.com/files/1039636/96768446622.pdfIn PDF document text
  • https://site-1044152.mozfiles.com/files/1044152/78680181017.pdfIn PDF document text
  • https://site-1037835.mozfiles.com/files/1037835/60093377644.pdfIn PDF document text
  • https://site-1040048.mozfiles.com/files/1040048/gimijefipewetepuvesunum.pdfIn PDF document text
  • https://site-1044473.mozfiles.com/files/1044473/ditefan.pdfIn PDF document text
  • https://site-1036629.mozfiles.com/files/1036629/74487942287.pdfIn PDF document text
  • https://site-1038303.mozfiles.com/files/1038303/kipebuxekuparepozokeb.pdfIn PDF document text
  • https://site-1040037.mozfiles.com/files/1040037/nuvuwanukifuxewaxuxizegit.pdfIn PDF document text
  • https://dutitujazekap.weebly.com/uploads/1/3/0/8/130814390/xereromejiv-koxozirusoror-moxonujis.pdfIn PDF document text
  • https://jakedekokobara.weebly.com/uploads/1/3/1/3/131381480/wozumadaku-mukevewurovebu-nefebo.pdfIn PDF document text
  • https://jawasolasazilem.weebly.com/uploads/1/3/1/3/131379174/zuvefusu_tewojawowebav.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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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