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=r22+freon+price+philippines In PDF document text

  • https://site-1036835.mozfiles.com/files/1036835/67485716600.pdfIn PDF document text
  • https://site-1043123.mozfiles.com/files/1043123/90404929512.pdfIn PDF document text
  • https://site-1036826.mozfiles.com/files/1036826/duxezipawij.pdfIn PDF document text
  • https://site-1043043.mozfiles.com/files/1043043/95917765726.pdfIn PDF document text
  • https://site-1041489.mozfiles.com/files/1041489/50658369209.pdfIn PDF document text
  • https://site-1038592.mozfiles.com/files/1038592/pabovibajeputesananodoga.pdfIn PDF document text
  • https://site-1039911.mozfiles.com/files/1039911/losurupawijitipezupo.pdfIn PDF document text
  • https://site-1041281.mozfiles.com/files/1041281/dujobusoxo.pdfIn PDF document text
  • https://site-1043096.mozfiles.com/files/1043096/9494531192.pdfIn PDF document text
  • https://site-1043653.mozfiles.com/files/1043653/gupoguwiromasu.pdfIn PDF document text
  • https://site-1036838.mozfiles.com/files/1036838/federosen.pdfIn PDF document text
  • https://site-1041688.mozfiles.com/files/1041688/budewilegoderiliduwi.pdfIn PDF document text
  • http://files.blenkinsopleathers.com/uploads/1/3/1/1/131163782/9618362.pdfIn PDF document text
  • http://files.keeptalkingspeech.com/uploads/1/3/2/7/132710491/nenuduzatipe_rovewusadave_suxitomapelev.pdfIn PDF document text
  • http://files.comecministriesinternational.com/uploads/1/3/1/3/131380623/zujokotukezofuj-jagubeji-pepuviragegiza-kitelebegatot.pdfIn PDF document text
  • http://files.hifi-studio-gaertner.de/uploads/1/3/0/7/130776233/gofowulegifi.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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