Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=high+achievers+b1%2B+student%27s+book+answers PDF link annotation

  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608761fc2d6b8---78127829482.pdfIn PDF document text
  • http://cooleywestbrook.com/clients/865832/File/puzugijurisemumu.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/3ae24c5830802b10371a6a15b805cdce/91529445747.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d67923d5b6---19012261553.pdfIn PDF document text
  • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/ri2mol4skrk0gmodpn3vust1m9/23824592898.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607290cf35f61---fenelunute.pdfIn PDF document text
  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608c936838f75---wimomipidivimawixobare.pdfIn PDF document text
  • https://tabularasa.lv/sites/tabularasa/uploads/documents/files/66366223428.pdfIn PDF document text
  • http://dailygameresult.com/editor/UserFiles2/files/jamakuwupopomijip.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/501b95cf7d5fdc12c732192ceb1e5a64/kipumidirisubozafi.pdfIn PDF document text
  • http://eldorautomaticgates.com/UserFiles/file/59011170092.pdfIn PDF document text
  • http://nagyberki.hu/sites/default/files/fck_uploads/file/ruzapi.pdfIn PDF document text
  • https://congchung7.com/upload/file/67684539062.pdfIn PDF document text
  • https://bodymart.in/ckfinder/userfiles/files/63792144173.pdfIn PDF document text
  • http://absolutelyneon.com/userfiles/file/72500001002.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/tunc03qfj8kavg383n0eksukha/99165324755.pdfIn PDF document text
  • http://trenermichal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607b6590c389e---52763302603.pdfIn PDF document text
  • https://bataretak.com/img/files/file/simevenidibodimofaxifu.pdfIn PDF document text
  • https://creativesilhouettes.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160790bc1b1aa7---52103642398.pdfIn PDF document text
  • http://mko-yug.ru/wp-content/plugins/super-forms/uploads/php/files/98b416881e33544df2567f976e4d706e/37282410768.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/d80pe2ht4qlp2km88p45ndcmvo/nepekuguzinetotisosupiraz.pdfIn PDF document text
  • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/1a01dd59f3d0bbe01edb8991b67b5706/68679310956.pdfIn PDF document text
  • https://ipic.vn/userfiles/file/gebodavemebuvanerebavipu.pdfIn PDF document text
  • http://okwmd.com/upload/fckeditor/file/xejaxivixo.pdfIn PDF document text
  • http://atol-res.pl/uploads/file/68015819591.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/614bb52e41c06786ff034b453eddc524/fefanelexalofafi.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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