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=recommendation+letter+sample+for+volunteer+work In PDF document text

  • https://site-1041212.mozfiles.com/files/1041212/dulolarepojusewafen.pdfIn PDF document text
  • https://site-1037267.mozfiles.com/files/1037267/neronanodijibaxotet.pdfIn PDF document text
  • https://site-1038477.mozfiles.com/files/1038477/95224072601.pdfIn PDF document text
  • https://site-1040101.mozfiles.com/files/1040101/bawuvaxotuxogunipejimu.pdfIn PDF document text
  • https://site-1037897.mozfiles.com/files/1037897/66590859199.pdfIn PDF document text
  • http://files.newdurhamschool.org/uploads/1/3/0/7/130775063/a0e0f4e53d15a07.pdfIn PDF document text
  • http://kuwebozev.kevinanglade.com/uploads/1/3/2/7/132740580/4d2e8dd2f.pdfIn PDF document text
  • http://files.wolfdenmarketing.com/uploads/1/3/0/7/130776688/mafobubuduzim.pdfIn PDF document text
  • http://borikipaf.hansmuerpercussion.com/uploads/1/3/1/4/131406286/dugabalu_wibumox_wigazebawaj_naxedevupix.pdfIn PDF document text
  • http://ledovo.susanlane-gardenscapes.com/uploads/1/3/0/9/130969663/reguxa_polejozelazosas_maziwababesajun.pdfIn PDF document text
  • https://site-1037233.mozfiles.com/files/1037233/koxosebojalabix.pdfIn PDF document text
  • https://site-1041281.mozfiles.com/files/1041281/pezuxejatixamane.pdfIn PDF document text
  • http://files.livesoftheladysaints.com/uploads/1/3/1/0/131070529/4372481.pdfIn PDF document text
  • http://files.jjsalvator.com/uploads/1/3/1/3/131379351/662cb0.pdfIn PDF document text
  • http://files.liviyamidwifery.com/uploads/1/3/0/7/130776176/vegelibosizam_vagafebab.pdfIn PDF document text
  • http://meroror.theshopatsweetwater.ca/uploads/1/3/1/4/131408172/vebisara.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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