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/pify?keyword=how+many+classes+of+nutrients+are+found+in+food In PDF document text

  • http://files.engineersforhope.com/uploads/1/3/1/3/131379183/c73719ad05.pdfIn PDF document text
  • http://rofil.charlottebaitonphotography.com/uploads/1/3/0/9/130969754/0387cb6520e.pdfIn PDF document text
  • http://jikobul.fertilegreenfarms.com/uploads/1/3/1/8/131856278/1209358.pdfIn PDF document text
  • http://files.jennuineguidanceandhealing.com/uploads/1/3/1/4/131406717/wetodobagi.pdfIn PDF document text
  • https://site-1037203.mozfiles.com/files/1037203/91863301154.pdfIn PDF document text
  • https://site-1036850.mozfiles.com/files/1036850/zimovovodivometevel.pdfIn PDF document text
  • https://site-1039838.mozfiles.com/files/1039838/widunajevamevevog.pdfIn PDF document text
  • https://site-1037218.mozfiles.com/files/1037218/34720366120.pdfIn PDF document text
  • https://site-1036734.mozfiles.com/files/1036734/71348895220.pdfIn PDF document text
  • https://site-1036785.mozfiles.com/files/1036785/fojopivomir.pdfIn PDF document text
  • https://site-1048178.mozfiles.com/files/1048178/11919780418.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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