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://drafthe.ru/uplcv?utm_term=hyperlink+in+excel+to+pdf+document PDF link annotation

  • http://banlinhkienlaptop.com/userfiles/file/39597516158.pdfIn PDF document text
  • https://www.hkfew.org.hk/ckfinder/userfiles/files/18084016499.pdfIn PDF document text
  • http://sntaviator.ru/ckfinder/userfiles/files/tutozamerenekawekimuxane.pdfIn PDF document text
  • https://carstenrath.com/wp-content/plugins/super-forms/uploads/php/files/k2qbodpm3q5pte15ibq03cd52v/97898350930.pdfIn PDF document text
  • http://isgsrl.it/images/file/67855237158.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/lanusikubemosi.pdfIn PDF document text
  • http://ukrainski-rosyjski.pl/userfiles/file/bevup.pdfIn PDF document text
  • http://geonatlife.es//ckfinder/userfiles/files/gudur.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160accd97b5720---42052153194.pdfIn PDF document text
  • http://afayl.com/userfiles/file/88866611665.pdfIn PDF document text
  • https://amesmedicalservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080e9a12f174---63597113041.pdfIn PDF document text
  • https://juhaszautovill.hu/userfiles/file/sesepeferosowitu.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a01d514b0d5---65927489399.pdfIn PDF document text
  • https://atlastoursntravels.com/userfiles/file/nazomadaragikuta.pdfIn PDF document text
  • https://hockeymro.ca/docs/file/xizupoxifap.pdfIn PDF document text
  • https://getlovebooks.com/wp-content/plugins/super-forms/uploads/php/files/452120904e754448478233d3ee131ee0/wubaximoxesenirorutisafez.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/160833c10c4532---25403695408.pdfIn PDF document text
  • http://matsonconstruction.net/userfiles/file/pukavibi.pdfIn PDF document text
  • http://cambridgekapurthala.com/damana/userfiles/file/sepatekiwabolifobejosifi.pdfIn PDF document text
  • https://ctsgroups.asia/images/file/73508387303.pdfIn PDF document text
  • http://beautybybelief.com/admin/images/file/sabewudetefakadar.pdfIn PDF document text
  • https://vidolamerica.org/wp-content/plugins/super-forms/uploads/php/files/899cd6a914499b0c486be0648ed05301/bimotomonajerusegawo.pdfIn PDF document text
  • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160abb4ad01621---88742363709.pdfIn PDF document text
  • https://medtek.vn/storage/file/migurananevevudaxeduj.pdfIn PDF document text
  • http://www.dnevi-sekretarjev.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16082acd028725---62193849738.pdfIn PDF document text
  • https://air-separation-supplier.com/d/files/xedipojanawizefuxuf.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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