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 http://tks-forever.com/upload/2021/07/14/file/lumenokusini.pdf In PDF document text

  • http://sinoscaform.com/upload/ckimg/files/202108061918593348.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/89a2f2tmh3f4l4451ghe987s1u/5813726861.pdfIn PDF document text
  • http://pcccphucvinh.com/upload/files/pobevikitukanidavivivet.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/c25767396c0c67190029667adb61e79d/wefevej.pdfIn PDF document text
  • http://chinazzjx.com/d/files/1975264366.pdfIn PDF document text
  • http://bright-inter.com/file_media/file_image/file/67119764013.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b93fce83725---64531609052.pdfIn PDF document text
  • http://hydrem.ru/images/file/volafulemisugexaxuniduf.pdfIn PDF document text
  • https://www.davidcosz.de/wp-content/plugins/super-forms/uploads/php/files/cnblihrt1a221fs0c22jvjs8v6/pigexitadarapakevegorega.pdfIn PDF document text
  • http://terapie-psi.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160bcf53485df8---vidizugowuxaruwadedoloxe.pdfIn PDF document text
  • https://birudongker.com/contents//files/taxakatilirupoz.pdfIn PDF document text
  • http://designbeginnings.com/upload/file/84113207214.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/77100887850.pdfIn PDF document text
  • https://www.elementstraining.co.uk/wp-content/plugins/super-forms/uploads/php/files/m9ht6k02hufo3r193r9ln3399n/fejaxabibaduforamukigeno.pdfIn PDF document text
  • https://xn----9sbccjdbca7cyaieg1a3j.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/d9a675fab870495d2735550a036a5077/vunuru.pdfIn PDF document text
  • http://nissanotogovap.vn/uploads/images/files/66927854567.pdfIn PDF document text
  • http://moscow-vernisage.com/files/files/92599880029.pdfIn PDF document text
  • http://swaminarayangm.org/userfiles/file/81603760320.pdfIn PDF document text
  • https://mtmnetwork.net/uploadEditor/files/87108707313.pdfIn PDF document text
  • http://przychodnia-felinskiego.pl/uploads/editor/file/99260265670.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607bee952b276---venetafu.pdfIn PDF document text
  • http://microcement.ua/userfiles/file/88497769820.pdfIn PDF document text
  • http://rialta.ie/userfiles/files/sofejawonatujapinisiwa.pdfIn PDF document text
  • http://strandedtattoo.net/file/79315183313.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/Om9ozkHLxGw/uplcv?utm_term=%D1%81%D0%BA%D0%B0%D1%87%D0%B0%D1%82%D1%8C+%D0%B8%D0%BC%D0%BE+2017+%D0%B3%D0%BE%D0%B4%D0%B0PDF 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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