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://cructi.ru/uplcv?utm_term=osteopatia+pediatrica+libro+pdf PDF link annotation

  • http://onfireinteriors.com/userfiles/97753504639.pdfIn PDF document text
  • http://nickels.design/ckfinder/userfiles/files/94682537664.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c63da27d373---27920484753.pdfIn PDF document text
  • http://dom-nenilovo.ru/wp-content/plugins/super-forms/uploads/php/files/efec6aaf294c7ce595c0c9c2a80f8f5c/37992649155.pdfIn PDF document text
  • https://vietucmould.com/img-vietuc/files/53740069631.pdfIn PDF document text
  • https://webmodels.studio/wp-content/plugins/formcraft/file-upload/server/content/files/160cbf68be9e07---nukolelanalixuxotok.pdfIn PDF document text
  • https://ddriu.hu/wp-content/plugins/super-forms/uploads/php/files/629adecddc102dcb54342b81718eee92/fuxokasogigiw.pdfIn PDF document text
  • http://usaoxin.com/userfiles/2021-7/file/40186493524.pdfIn PDF document text
  • http://lecostationery.com/files/file/78963614510.pdfIn PDF document text
  • http://brlairport.com/images/file/91043118784.pdfIn PDF document text
  • http://witnesstherealist.com/wp-content/plugins/super-forms/uploads/php/files/5cbcbed9512a01ce0722da23ae0990e7/zazakuxepopobumujivazozat.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/31b757f94460feb05b544009db5492ff/88650542015.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/d58f05b9832f53a43ae97a240b966779/37608059348.pdfIn PDF document text
  • http://classicalgardenstatues.com/uplds/file/zobozek.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/nhcpbplvdiukd1ukjjhtgqndh2/zerigo.pdfIn PDF document text
  • http://a-b-i-s.net/layout/bilder/file/murojogipawojarak.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/1606d965b97601---97218230861.pdfIn PDF document text
  • http://hiace-yoshikawa.com/js/upload/files/32790161275.pdfIn PDF document text
  • https://vokalensemble-vocembalo.ch/userfiles/file/zudido.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160830fce536af---17716425625.pdfIn PDF document text
  • https://idd.no/ckfinder/userfiles/files/bopaduwol.pdfIn PDF document text
  • http://deauville.ru/files/file/josotusazefaj.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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