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://archism.ru/uplcv?utm_term=sine+graph+examples PDF link annotation

  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/lj94bg7i4mpk4iu592o8nt9btb/69065749276.pdfIn PDF document text
  • http://k3projekt.pl/uploads/userfiles/files/27125317801.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614167b35d614---4939003221.pdfIn PDF document text
  • http://wonikqnc.com/upload/editor/file/1630938948.pdfIn PDF document text
  • http://futurepoolandspa.com/ckfinder/userfiles/files/41263488888.pdfIn PDF document text
  • https://www.rongoldmanlaw.com/system/js/back/ckfinder/userfiles/files/33974574296.pdfIn PDF document text
  • http://www.leesii.com/wp-content/plugins/formcraft/file-upload/server/content/files/161419123a782d---80462041757.pdfIn PDF document text
  • https://pushtypathshala.com/demo/aims/files/images/files/82208823748.pdfIn PDF document text
  • http://iamsong.vn/uploads/files/85708344712.pdfIn PDF document text
  • https://perfecthospital.net/ckfinder/userfiles/files/fitufisinofazanogiti.pdfIn PDF document text
  • http://skupka23.ru/upload/m/mixobazuwabegusojumedur.pdfIn PDF document text
  • http://www.instalacionescueto.com/nueva/ckfinder/userfiles/files/62736942257.pdfIn PDF document text
  • http://yeosingol.com/FileData/ckfinder/files/20210901_09510214660551DC.pdfIn PDF document text
  • http://piannocreativo.com/js/new/fckeditor/userfiles/file/sopusadinukitafukukivafid.pdfIn PDF document text
  • http://pereplanirovkaoblast.ru/pict/file/37776365966.pdfIn PDF document text
  • http://sungwoneng.com/upfile_editor/2021/files/zopugipuwapefogolezimagik.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/4d3f9da395ee96a72ffdbb9b56516922/1181796424.pdfIn PDF document text
  • http://abwlondonblvd.com/uploads/files/90337314189.pdfIn PDF document text
  • https://doublehaircenter.com/upload/ckfinder/files/55569823106.pdfIn PDF document text
  • https://www.hkha.org/ckfinder/userfiles/files/50865692263.pdfIn PDF document text
  • https://bibliotheque-des-arts.com/ckfinder/userfiles/files/kinajiz.pdfIn PDF document text
  • http://orderbestwings.com/uploads/files/tenoniperolazone.pdfIn PDF document text
  • http://peoplefoster.com/pliki/44552398317.pdfIn PDF document text
  • https://buyafranchise.org/files/files/jupuxiwijuvewu.pdfIn PDF document text
  • http://karmakonnect.org/DrumiBhatt/karmakonnect.org/Final/ckeditorimage/files/71352966553.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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