Malicious PDF — malware analysis report

Heuristics 7

• 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://wastran.ru/uplcv?utm_term=free+math+and+reading+worksheets+for+kindergarten PDF link annotation

  • https://www.sevgiliyevideo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1608e55819bb65---wigokidop.pdfIn PDF document text
  • http://www.css-jp.com/upfile/files/2021/07/21/50220179862.pdfIn PDF document text
  • http://stlnsk.ru/uploads/file/61248662552.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/16576817503.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16093ff25ce9ca---85450029124.pdfIn PDF document text
  • http://lapenya.cat/imgjovesnaves/file/58242141108.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/5icpnepfelbiftmfqh8ipj7vj2/narewepanuxifoto.pdfIn PDF document text
  • https://refour.eu/wp-content/plugins/super-forms/uploads/php/files/15ffacb85beb791818885e1957867294/84013458243.pdfIn PDF document text
  • http://mariamozharova.ru/uploads/files/93650348543.pdfIn PDF document text
  • https://www.inter-tube.co.uk/wp-content/plugins/super-forms/uploads/php/files/70d936790eecd1291ca4303a12e65794/wukizuzaf.pdfIn PDF document text
  • http://ateliergermain.net/sites/default/files/file/33520833857.pdfIn PDF document text
  • https://visionbrindes.com/admin/fckeditor/userfiles/file/39030941089.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fa1aa107a00---repabudekozesokekazasara.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/5c8j591dbp1trm7pbcsjkor5nb/fukenevatoruxet.pdfIn PDF document text
  • http://accronline.com/userfiles/file/25180883770.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609824a06b343---7858161888.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/ce9d39c18cb58b8bcace12201e241bef/torixofepid.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/6477465747.pdfIn PDF document text
  • http://sobinco.cz/ckfinder/userfiles/files/tijisares.pdfIn PDF document text
  • https://www.horisunmauritius.com/wp-content/plugins/super-forms/uploads/php/files/2e7bed5442fb03a566fc31a6ff2f71aa/55490309090.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c6e54a34c90---19358834504.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/61893311990.pdfIn PDF document text
  • http://hoangminhphatkorea.com/webroot/img/files/98824686159.pdfIn PDF document text
  • https://www.vbclighting.com/wp-content/plugins/super-forms/uploads/php/files/d591b8c398d919fbac841015cc2cd63f/sapujudinalur.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/dobif.pdfIn PDF document text
  • https://weblative.com/wp-content/plugins/super-forms/uploads/php/files/e92pub6rol3huul3061kbtu2rn/pevenavunupetinolesared.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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