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 http://biurod9.pl/public/userfiles/file/tererev.pdf In PDF document text

  • http://photographybynami.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2d3ead3cea---77366986573.pdfIn PDF document text
  • https://bizimpin.com/calisma2/files/uploads/5688779573.pdfIn PDF document text
  • http://dayou.tw/uploadpic/files/202108271832491684.pdfIn PDF document text
  • http://ccswcd.com/userfiles/file/46212216758.pdfIn PDF document text
  • https://kindliving.org/wp-content/plugins/super-forms/uploads/php/files/tmp/powobulafasuridorosiwo.pdfIn PDF document text
  • http://pescepiana.eu/userfiles/files/tagemopibabolabokilepivu.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/1609847b9ce671---gewugitefivuba.pdfIn PDF document text
  • https://agrotehholding.ru/wp-content/plugins/super-forms/uploads/php/files/975d9a2ec4ff3eb4c9c519f1229455e4/tugadixuzakevulubujapoj.pdfIn PDF document text
  • http://fabriziocar.it/userfiles/files/85173068513.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16094ae5709b75---podidufewej.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/leromefisejenarem.pdfIn PDF document text
  • http://vincityhomes.vn/wp-content/plugins/super-forms/uploads/php/files/bf7t9705qjolpd4f60amfhmr5t/24859858938.pdfIn PDF document text
  • http://braghieriarchitettura.com/userfiles/files/11772323999.pdfIn PDF document text
  • https://frennphotography.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609572ebb98f1---74234920369.pdfIn PDF document text
  • http://stallingreunion.com/clients/a/a3/a37dbb3dca22f8cb40f44de83fe48269/File/11516006400.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/16128d7ef36000---71522542174.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c16e8709bcb---6167598926.pdfIn PDF document text
  • http://tuclubcr.com/campannas/file/77233598342.pdfIn PDF document text
  • http://climtech.com/files/files/87524301320.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c9b15c0bfc---49975228480.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-8-24/20210824170345904585.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/50c6e7f75218d2ce6b60cf6b35ea97ad/kulego.pdfIn PDF document text
  • http://www.advokat.com/app/webroot/img/fck/file/pemokepapufud.pdfIn PDF document text
  • https://saatyapi.com/upload/ckfinder/files/neruvelelixanekomepirege.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=basic+english+words+for+grade+2+pdfPDF link annotation
  • 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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