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://catamma.ru/uplcv?utm_term=depression+and+antidepressants PDF link annotation

  • http://www.alex-vasilkov.ru/images/wisdom/file/gumafaxu.pdfIn PDF document text
  • http://affordableadobe.com/ckfinder/userfiles/files/17309003349.pdfIn PDF document text
  • https://alshamiltrading.com/alshamilfiles/file/30875440205.pdfIn PDF document text
  • https://clickkedai.com/userfiles/file/45228779388.pdfIn PDF document text
  • http://nadiadsa.org/userfiles/file/17055833947.pdfIn PDF document text
  • http://tragiaocolamsapa.com/userfiles/image/file/54066257065.pdfIn PDF document text
  • https://codecs.roimages/file/jexadadidajodano.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/bdbf98e425f0eb81910360b0df170660/48282366626.pdfIn PDF document text
  • http://odnoklassniki-files.ru/images/uploads/files/36481341819.pdfIn PDF document text
  • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/watalez.pdfIn PDF document text
  • https://indacphuc.com/wp-content/plugins/super-forms/uploads/php/files/vq5i9291nto6khk7o50r61qs1q/fakomowixofexi.pdfIn PDF document text
  • https://www.synergyheart2heart.team/wp-content/plugins/super-forms/uploads/php/files/rf3q46gbfr4avbfjcl27rjug4a/93612832763.pdfIn PDF document text
  • http://atut-biuro.com/uploaded/file/tomalewew.pdfIn PDF document text
  • https://machnik.net/ckfinder/userfiles/files/66489842885.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec42e084aa---pikaleniwurelexobabewo.pdfIn PDF document text
  • http://bienchidan.org/uploads/files/lapumepexomixapofafusofat.pdfIn PDF document text
  • https://gbeequestriansurfaces.com/wp-content/plugins/super-forms/uploads/php/files/8oslg3fkkq8ttd94ssuie234uk/nivaguxinevoribilaz.pdfIn PDF document text
  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607135f340e70---nujojilovubeva.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/827621ba23b7d1b7580ceb00ebdc0aca/10574378037.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1608cb52df14d3---kekid.pdfIn PDF document text
  • https://legacydockandmarine.com/wp-content/plugins/super-forms/uploads/php/files/4cf77aa3783f0c14e2bcf3bc926e47fc/suporuvububewuliwiwe.pdfIn PDF document text
  • https://srmhospitalities.com/images/bulk_images/files/33338987440.pdfIn PDF document text
  • http://vds-construct.pl/userfiles/file/fetegafosedojosuwodagom.pdfIn PDF document text
  • http://dytac.hk/userfiles/vimemawal.pdfIn PDF document text
  • http://johnlillylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/nurefinutudiga.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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