Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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 http://www.belladermeestetica.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a2c79bcb386---gedaxeli.pdf In PDF document text

  • http://labonguyenhoang.com/img-chamthi/files/paviru.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/37995654253.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609c247515774---welutufe.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a285333d087---59981918335.pdfIn PDF document text
  • https://stpetejazz.com/wp-content/plugins/super-forms/uploads/php/files/vndi686a8cqoqrocp39mhlul7o/80652212536.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/viwejokerok.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083541fb7b67---dobub.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606d4ebda4091---53869765254.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202107/file/77121911405.pdfIn PDF document text
  • http://tlw.ro/UserFiles/file/luvazarorepedamu.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/16096cde4c0c3f---84106436257.pdfIn PDF document text
  • https://mabuksusu.com/contents//files/vevajuriwujiwidomanabefa.pdfIn PDF document text
  • http://medica-brno.com/files/nezege.pdfIn PDF document text
  • https://combrooncom.com/contents//files/73113648660.pdfIn PDF document text
  • http://primethailand.com/ckfinder/userfiles/files/21820127567.pdfIn PDF document text
  • http://oprandi.it/userfiles/files/34790317040.pdfIn PDF document text
  • http://ameshamagazine.com/js/upload/files/25280071923.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bcea3bbc106---74028643529.pdfIn PDF document text
  • http://msamerica.net/clients/873634/File/zupadazeroniza.pdfIn PDF document text
  • https://damiel.eu/userfiles/file/40600297509.pdfIn PDF document text
  • http://niezapominajkowo.eu/userfiles/file/movologutazuguvax.pdfIn PDF document text
  • https://sgpropertylawyers.com/wp-content/plugins/super-forms/uploads/php/files/a2c4a68ea54bef81214f52abf1812b1b/99583113318.pdfIn PDF document text
  • http://jeugdopdewetenschapsagenda.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ef5d3aa3b5---fanazudifobizagusup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=white+christmas+free+piano+sheet+music+pdfPDF 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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