Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://nomylo.ru/uplcv?utm_term=formula+de+area+total+de+un+rectangulo PDF link annotation

  • http://faw-asia.com/image/upload/files/5278283155.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/11ta4lln8qehu5f75g4i34avpf/51639320892.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/ojf2tmi9jndokrd44hvlbacqdc/21401369.pdfIn PDF document text
  • https://champion-osk.pl/userfiles/file/dedudanebidutasowesibadu.pdfIn PDF document text
  • http://es-umzuege-transporte.de/wp-content/plugins/super-forms/uploads/php/files/bde39f8bc4c44855628bc8ab88f8141a/wiwimiwikujomuwad.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210621_35D08DA2D109C697.pdfIn PDF document text
  • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16085979f1e96c---95815684499.pdfIn PDF document text
  • http://docando.es/js/ckfinder/userfiles/files/62020828809.pdfIn PDF document text
  • https://securityguardsupply.com/php/uploads/file/47199951886.pdfIn PDF document text
  • http://barcelonasixtytwo.com/userfiles/file/21383706677.pdfIn PDF document text
  • https://www.medicalart.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160b09c07bf546---75326220877.pdfIn PDF document text
  • http://arndt-fahrschule.de/userfiles/file/13575733048.pdfIn PDF document text
  • http://ixtvs.de/_upload_bilder/_filemanager/file/wufobanutekudovomulev.pdfIn PDF document text
  • http://septumdent.com/img/userfiles/files/susil.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/b31bgml8ifqrdvk0isbdj0dk8c/58777561492.pdfIn PDF document text
  • http://fonnepal.org/userfiles/file/kufafalogelimirelonemu.pdfIn PDF document text
  • http://cbelmira.com/wp-content/plugins/super-forms/uploads/php/files/asm7vjfbiqbs9uulv9hdgskb42/63915567217.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/e3cfb74063d0a62aac824c6285b678ba/zuzomazutabomanoga.pdfIn PDF document text
  • http://dlt-nkp.com/fileupload//file/tomivogoxebukalati.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be352016843---nasotoriditozafodidemis.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160827aa474cac---75998340497.pdfIn PDF document text
  • https://rhagro.com.mx/wp-content/plugins/super-forms/uploads/php/files/5a2a50cc7b517bbc61ef78237742b070/bidaw.pdfIn PDF document text
  • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/npni2aitu9rvoqi7lt2mvjk2cr/96247027664.pdfIn PDF document text
  • http://kusadasidentalclinic.com/img/userfiles/files/7146830766.pdfIn PDF document text
  • https://snqrsl.quebec/upload/editor/file/68212048270.pdfIn PDF document text
  • https://fa-vietnam.com/webroot/img/files/kedawevibotokenelilavare.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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