Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://pistant.ru/uplcv?utm_term=total+cholesterol+hdl PDF link annotation

  • http://kawoka.com/userfiles/file/64226437098.pdfIn PDF document text
  • http://akkoryazilim.com/userfiles/file/63806684862.pdfIn PDF document text
  • http://sumtinathholidays.com/admin/uploadfiles/file/45437035942.pdfIn PDF document text
  • http://nhs71.com/clients/d/d9/d9c6bfbc4bbdd207836d30c01fe5869c/File/babovabe.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/160a42f765c242---81136175330.pdfIn PDF document text
  • https://bakwanudang.com/contents/files/pazuwokibotokofunadili.pdfIn PDF document text
  • http://jkbprivateiti.com/userfiles/file/xedufewabibugifufibavova.pdfIn PDF document text
  • https://siphouse96.com/wp-content/plugins/super-forms/uploads/php/files/94d8be041fe4053d56d4e14acde8c078/buditipoxere.pdfIn PDF document text
  • http://afghansolar.com/userfiles/file/sagejusagazav.pdfIn PDF document text
  • https://eldorado777.ro/upload/editor/file/kakazatoxati.pdfIn PDF document text
  • https://flyingfish-stay.com/userfiles/file/21145614727.pdfIn PDF document text
  • http://locthanhwindow.com/img_duhoc/files/sowubumixafirisutitep.pdfIn PDF document text
  • http://www.risingstars.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d632f20a2---5312719134.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/i1urlf61kj0iku9h4aj7kuros6/nekovebim.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/88928513112.pdfIn PDF document text
  • http://www.detskaoptika.cz/ckfinder/userfiles/files/40249673211.pdfIn PDF document text
  • https://www.marvistasales.com/wp-content/plugins/super-forms/uploads/php/files/d5373c0861fcf6ea83eb465f7b48c2b6/34764579154.pdfIn PDF document text
  • http://anapro.com/ckfinder/userfiles/files/sagetabe.pdfIn PDF document text
  • https://mikepromedia.com/wp-content/plugins/super-forms/uploads/php/files/o109tp6cl0oji42k3brorm3766/topovefepewijozi.pdfIn PDF document text
  • https://kominove-centrum.cz/media/files/file/jijasupovorefakowora.pdfIn PDF document text
  • https://www.gs-gleichmann.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609af55ce64c0---49598307291.pdfIn PDF document text
  • https://www.helpagesl.org/wp-content/plugins/formcraft/file-upload/server/content/files/16082cd1282748---fegiminurodon.pdfIn PDF document text
  • http://www.medicalalliedtraining.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4a83e85e6---39019778519.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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