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://nomylo.ru/uplcv?utm_term=icd+10+code+for+concentric+left+ventricular+hypertrophy PDF link annotation

  • https://awlights.com/wp-content/plugins/super-forms/uploads/php/files/a7c66ccb78f8694ed4fba4aa7c16e541/93747196954.pdfIn PDF document text
  • http://sanphamhanquocymy.com/uploads/files/wobegebagikuneziw.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/788b3c70a8aeb11e66499630dfbb3966/verefeve.pdfIn PDF document text
  • https://bringem.de/wp-content/plugins/super-forms/uploads/php/files/72f9dc39a7a145ab22f4059cb676c1fb/bivofebitorukovojof.pdfIn PDF document text
  • https://linlinline.biz/js/ckfinder/userfiles/files/94170117149.pdfIn PDF document text
  • https://0286869143.com/editor_images/files/wekob.pdfIn PDF document text
  • http://medi-sen.com/files/files/47037150642.pdfIn PDF document text
  • http://audiencefertilization.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/wazotagibapunivid.pdfIn PDF document text
  • https://clubkdo.fr/img/pics/files/46942265003.pdfIn PDF document text
  • http://apismorava.eu/docs/65232339386.pdfIn PDF document text
  • https://art-eria.pl/mandarynka/pliki/files/90233161503.pdfIn PDF document text
  • https://www.demetagras.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cf79e7dac0---tapafubodimag.pdfIn PDF document text
  • https://www.edutechusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f879884f0---mufanabosus.pdfIn PDF document text
  • http://curry-box-deluxe.de/userfiles/file/50651541489.pdfIn PDF document text
  • https://epgeptech.hu/ckfinder/userfiles/files/pirasej.pdfIn PDF document text
  • https://arenda1s.ru/wp-content/plugins/super-forms/uploads/php/files/0aba843206e9e88893b84a601f15970a/velegefad.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/5541d32c15805ac6c73d7afacbaa67e7/21943890169.pdfIn PDF document text
  • http://cluboutletmoto.net/campannas/file/nevefe.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608598e7ef3b1---nijutozog.pdfIn PDF document text
  • http://toyotarenta.net/FileData/ckfinder/files/20210708_E338FA5943C1D3D1.pdfIn PDF document text
  • https://www.energetisch-therapeut-estie.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d183ec7431b---lezudamuxopus.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/20889363832.pdfIn PDF document text
  • http://www.argentum.com/wp-content/plugins/super-forms/uploads/php/files/orihsg1hcnjdt89d8caiie8kol/wonozuvakikuk.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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