Malicious PDF — malware analysis report

Heuristics 5

• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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.
• External URI info PDF_URI
  PDF contains an external URL action
• 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 http://joopsoa.com/wb3?utm_term=gentle%20yoga%20sequence%20for%20back%20pain%20exercises%20for%20beginners%20pdf PDF link annotation

  • http://retailcop.ca/files/66435003299.pdfIn PDF document text
  • https://zulasiromeg.weebly.com/uploads/1/3/1/4/131453934/cab491.pdfIn PDF document text
  • https://jafiwivejo.weebly.com/uploads/1/3/5/3/135305612/e1bd0.pdfIn PDF document text
  • http://globalsublimation.net/uploadfile/files/33974393399.pdfIn PDF document text
  • https://jizadalepavox.weebly.com/uploads/1/4/1/3/141305824/gosovubori.pdfIn PDF document text
  • http://doingthing.com/downloads/blog/geust/files/244075926.pdfIn PDF document text
  • https://escaletravel.com/userfiles/files/bumoja.pdfIn PDF document text
  • http://kungfubp.hu/admin/assets/images/files/91847663363.pdfIn PDF document text
  • https://tinhhoaxanh.vn/userfiles/file/dufugoxe.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/tovuveveluwixufe.pdfIn PDF document text
  • https://xomikevogonenoj.weebly.com/uploads/1/3/4/7/134743799/munewotijusene_rixema.pdfIn PDF document text
  • https://mejekuveko.weebly.com/uploads/1/3/5/3/135392268/2919560.pdfIn PDF document text
  • https://wiwelofuvelafa.weebly.com/uploads/1/4/1/3/141327768/diwifuvekibu-tunan-nejuzen.pdfIn PDF document text
  • https://pinuxijevafu.weebly.com/uploads/1/3/4/6/134608025/328676.pdfIn PDF document text
  • https://piataafacerilor.ro/app/webroot/files/userfiles/files/47797696889.pdfIn PDF document text
  • https://karpzbeldowa.pl/uploads/userfiles/files/sefozomelikekunigutujema.pdfIn PDF document text
  • https://rabudiagnostic.com/userfiles/files/tarep.pdfIn PDF document text
  • http://inlocoodontologia.com.br/assets/kcfinder/upload/files/vezub.pdfIn PDF document text
  • http://eluvial.com/sites/all/sites/eluvial.com/files/movekawaxunaxom.pdfIn PDF document text
  • https://thicongnoithat.top/admin/webroot/upload/image/files/81866069432.pdfIn PDF document text
  • https://sajadarazaga.weebly.com/uploads/1/3/4/3/134340855/07d07c7eedba27f.pdfIn PDF document text
  • https://ranuxibat.weebly.com/uploads/1/3/4/5/134595997/tubeverojogumejelu.pdfIn PDF document text
  • http://www.bitstream.comIn extracted file (font_01_sfnt_off0000a567.bin)
  • 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://dejavu.sourceforge.netIn extracted file (font_00_sfnt_off00009350.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00009350.bin)

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