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 http://thanuyentea.com/ckfinder/userfiles/files/tejaxitozupudisu.pdf In PDF document text

  • https://purefeeling8.com/data/file/zetadosojaneririzaj.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/80936986422.pdfIn PDF document text
  • https://insights3.com/wp-content/plugins/super-forms/uploads/php/files/9b192cb994c8b04cd731420952860faa/ketigotifixobatolotivena.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/67bdd54181f803cc0de3cffcde1a1a44/rufekumobetuvojonidino.pdfIn PDF document text
  • http://cateringkieuan.com/uploads/userfiles/file/54760267454.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16086c133398b0---tiwesanilubonasodazoxom.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16080cb9d2e9f7---85249776908.pdfIn PDF document text
  • https://rkdestate.com/userfiles/file/fukijalu.pdfIn PDF document text
  • https://xo-sound.ru/userfiles/file/72982003763.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/40429572129.pdfIn PDF document text
  • https://www.kngroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f63d0581ec---94699074882.pdfIn PDF document text
  • https://cantarefides.ro/admin/userfiles/file/rixopuwi.pdfIn PDF document text
  • https://www.bakkersvlaanderen.be/resources/plugins/ckfinder/userfiles/0/files/45572285023.pdfIn PDF document text
  • https://qfse.co/images/uploaded_files/ckfinder/files/1626767934_b43bb370d1.pdfIn PDF document text
  • http://thanhlapcongtykiengiang.com/upload/ck/files/bosagilut.pdfIn PDF document text
  • http://eaas-journal.org/survey/userfiles/files/65809473890.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/furafebo.pdfIn PDF document text
  • http://harissarantis.com/userfiles/files/sewoj.pdfIn PDF document text
  • http://studioturina.com/userfiles/files/52524751634.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/cf7592bc041574246a430e5789b92abd/90939132513.pdfIn PDF document text
  • http://erfolgsapp.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609f2a5c82afc---gelovolifofurulifaturu.pdfIn PDF document text
  • https://arnetbilgisayar.com/upload/ckfinder/files/mifevirawipisewamu.pdfIn PDF document text
  • http://restavratorstvo.com/ckfinder/userfiles/files/93473474473.pdfIn PDF document text
  • http://livestocktool.com/d/files/70355428546.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/YTWXjIUwRh0/uplcv?utm_term=power+steering+squealing+noisePDF link annotation
  • 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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