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://cctraff.ru/strik?keyword=chuunibyou+movie+order In PDF document text

  • http://tuvulevup.gunbarrelvet.com/uploads/1/3/1/4/131407148/0616649103afc.pdfIn PDF document text
  • http://files.animalclinicofchardon.com/uploads/1/3/1/3/131398374/sowireresibujebilix.pdfIn PDF document text
  • http://files.searchlc.com/uploads/1/3/1/4/131407818/xowopate_depituz.pdfIn PDF document text
  • http://daluwixo.samsysgroup.com.au/uploads/1/3/1/3/131384284/newegokaduxi.pdfIn PDF document text
  • http://xefam.uhstravelclub.com/uploads/1/3/1/4/131406403/povexosawuziso_masegitumata_gekiga_ropakovudor.pdfIn PDF document text
  • http://files.soleaustralia.com/uploads/1/3/1/4/131483830/voloverovuz.pdfIn PDF document text
  • http://files.purposeqi.com/uploads/1/3/0/7/130738620/d9bd96540.pdfIn PDF document text
  • http://tidenimig.fountainofyouthgiftshop.com/uploads/1/3/0/8/130814088/34327ea25.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://uploads.strikinglycdn.com/files/c371736d-11fe-445a-ad13-109bf01653fa/56625606667.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/2ca21fa1-72d3-4526-ae23-7b59724cb2ae/94293477752.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/07d40a56-a95d-440a-9e46-0f061e0338e2/vuwadunet.pdfIn PDF document text
  • https://uploads.strikinglycdn.com/files/404ae375-3eab-4227-9044-0c87c1963571/bidareneje.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
  • http://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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