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://krisoc.ru/uplcv?utm_term=dimensioning+and+tolerancing+handbook+pdf PDF link annotation

  • https://afd.me.uk/wp-content/plugins/super-forms/uploads/php/files/35lcgrrq1mobh5d5vd05vht07o/xomevumovebedapabo.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/vevj8kfkd3e5lp2auttpt67tp6/nikomepazilosepo.pdfIn PDF document text
  • http://agiusfuneraldirectors.com/files/file/88220274976.pdfIn PDF document text
  • http://zs-oilfieldequip.ru/d/files/zonevaduzo.pdfIn PDF document text
  • http://lyzebrno.cz/userfiles/file/wuwufu.pdfIn PDF document text
  • https://skiclubraonbaccarat.fr/pdf/39759836198.pdfIn PDF document text
  • http://ipceurope.eu/assets/file/jexazidapakav.pdfIn PDF document text
  • http://ibshop.gr/uploads/_uploads/files/42532098382.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/kijonofedezamuzofodefipe.pdfIn PDF document text
  • https://styliststudios.com/imagesTE/file/gizilav.pdfIn PDF document text
  • https://apparel.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/1fee054594db76c58d1a0810ba8a6dc6/78394786692.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607d7b7e9d7ce---doribasejosur.pdfIn PDF document text
  • http://kopdesign.nl/userfiles/file/gumisirotokejonowe.pdfIn PDF document text
  • http://podwierzba.eu/ckfinder/userfiles/files/35304928362.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160ba69cc18e1f---33212353499.pdfIn PDF document text
  • https://rosycaffe.com/file/zodabagetovupirafu.pdfIn PDF document text
  • https://marciasmithconsulting.com/wp-content/plugins/super-forms/uploads/php/files/d279455f7524768e0e8bfc3242208b13/76346956666.pdfIn PDF document text
  • http://xn--9p4b29dncp2cc6y.net/upload/fckeditor/file/39277319307.pdfIn PDF document text
  • http://shrlie.com/upload_fck/file/2021-8-12/20210812005007780764.pdfIn PDF document text
  • http://bangtutrang.com/upload/files/31302434304.pdfIn PDF document text
  • http://impactpluslearning.com/ckfinder/userfiles/files/bobalibomek.pdfIn PDF document text
  • https://regalcabs.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160aeefa8d0781---tivutovidegeripuk.pdfIn PDF document text
  • http://vtracauto.com/wp-content/plugins/formcraft/file-upload/server/content/files/16106806b01063---nuxazodiwabefuresiguv.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/9014010059.pdfIn PDF document text
  • http://thevelascofamily.com/clients/11614/File/sexifi.pdfIn PDF document text
  • http://noithatnhapkhaugiasi.com/luutru/files/wawerajuwijipos.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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