Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF link farm points to compromised-WordPress upload storage medium PDF_COMPROMISED_CMS_UPLOAD_LINK_FARM
  PDF contains multiple clickable links, across many distinct hosts, whose targets are random-slug files parked in the upload directories of vulnerable WordPress form plugins (FormCraft, Super Forms). This is the hallmark of the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains hosted on compromised sites. The PDF itself carries no exploit — the risk is the linked destinations.
• 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 https://krisoc.ru/uplcv?utm_term=how+to+connect+two+wireless+n+wifi+repeater PDF link annotation

  • http://banghaija.com/userfiles/file/nevipetifo.pdfIn PDF document text
  • http://westleyden72reunion.com/clients/4/46/469dc9162705cbff2d1fbe132f144f37/File/gamuwowerotuputipomavega.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/284ef91a71dcd81e26b04894ff0d8a96/jijuxorivifogagirexi.pdfIn PDF document text
  • https://mudraconsultancy.com/uploads/files/44449431013.pdfIn PDF document text
  • https://aplusadvance.com/naver_editor/data/file/xejufenilekexasiridi.pdfIn PDF document text
  • http://www.sevenchurchestour.net/seven/wp-content/plugins/formcraft/file-upload/server/content/files/160be721905986---tarotuwimugozewinure.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/217013bd7505934a1ddc94a3c9c55d6d/xexaxanaritipi.pdfIn PDF document text
  • https://kozhikodedeaf.org/admin/my_files/file/56181636215.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1608285660441f---45904273188.pdfIn PDF document text
  • http://www.festivalmarrakech.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607b3dc60131c---74717941330.pdfIn PDF document text
  • https://visaonline-vn.com/wp-content/plugins/super-forms/uploads/php/files/4n7d5ur695so5ag64qjp0gpg6l/25405971997.pdfIn PDF document text
  • http://vuason.vn/upload/files/81720557799.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608f575eb02fc---97429260162.pdfIn PDF document text
  • https://langumeistras.lt/i/File/16822744646.pdfIn PDF document text
  • https://clubesolbra.com/uploads/files/59645075990.pdfIn PDF document text
  • http://tea-ra.com/user_data/upload/save_image/files/27519291648.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/sm68egsmlg5u3nqrtbpe9h90f6/49199354581.pdfIn PDF document text
  • https://thesmithgrouphouston.com/wp-content/plugins/super-forms/uploads/php/files/7df672f5ea1da8e847308c67af259840/54313893563.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ae4d155f00d---97095501390.pdfIn PDF document text
  • http://ucity69.com/clients/861769/File/pilobajevezuranuxo.pdfIn PDF document text
  • http://chiari-web.com/ckfinder/optimist/files/feselizulila.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/3deb8404e161e32ac04c0d45133a10c9/nerigapifiwem.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/61f897ff4c2b2fd2e2d276054b24b6d1/sabosa.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://dejavu.sourceforge.netIn PDF document text
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn PDF document text

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