Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=how+do+you+make+the+color+blue+with+paint PDF link annotation

  • https://www.ijmsir.com/ckfinder/userfiles/files/2249277196.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/cu6ud00o8272ue3ma61r9r9ld7/4306215000.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/16102fb87cbd84---62266649495.pdfIn PDF document text
  • https://diversifiedhumansolutions.com/wp-content/plugins/super-forms/uploads/php/files/29eb066e2048ad5256d0906de05e29e2/96156502924.pdfIn PDF document text
  • http://nfrostov.ru/upload/files/67317587757.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/aplhtg6p9kpoum9eqiber4gphi/kevoseb.pdfIn PDF document text
  • https://btegypt.com/file/65675155668.pdfIn PDF document text
  • http://www.commandinglife.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebc1d2b52c---kizonexogubisofux.pdfIn PDF document text
  • http://chinasoftcore.com/userfiles/file///27673736518.pdfIn PDF document text
  • http://open.ua/uploads/ckeditor/files/65536597381.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b52b017ccd---tilowemefibewukaxavugomaw.pdfIn PDF document text
  • http://tecniagua.es/uploads/ckfinder/files/zosilanazenol.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/160705cc9e5a1c---64475089256.pdfIn PDF document text
  • http://nieruchomosci-swidnica.pl/userfiles/file/vanigelula.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/gf29s7bhvle2sckhsi9a6r5n62/gikanamirudajajivelokun.pdfIn PDF document text
  • http://bienchidan.org/uploads/files/56099612158.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16071e1b9713e5---93132412421.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090540f59987---paxaderunonupomelig.pdfIn PDF document text
  • http://flynewsletter.com/uploads/file/14193524758.pdfIn PDF document text
  • https://dmddsgn.com/wp-content/plugins/super-forms/uploads/php/files/b95f8a8362cfe12841efe8614243d97e/90120998785.pdfIn PDF document text
  • https://searchlink.org/userfiles//file/6460432537.pdfIn PDF document text
  • https://www.lorenzofranzone.it/wp-content/plugins/super-forms/uploads/php/files/20089bc7956eff9ae48d603a9b3ee682/gegenoxa.pdfIn PDF document text
  • http://outspokenholland.com/userfiles/fckFile/20210808181803.pdfIn PDF document text
  • http://timebank.ru/sites/default/files/photos/pagefile/ledevu.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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