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://infrive.ru/uplcv?utm_term=the+eardrum+is+also+called+the PDF link annotation

  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c405e4813ec---11620911524.pdfIn PDF document text
  • http://rowsontw.com/shopadmin/upload/files/xibijewexamawamodo.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079f9d6b76dc---pulopepusenebobel.pdfIn PDF document text
  • http://forumcutuca.com/ckfinder/userfiles/files/87395941420.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098472b4bc86---1398092421.pdfIn PDF document text
  • http://polskienarty.pl/data/aktualnosci_imgs/file/69687690812.pdfIn PDF document text
  • https://www.glasswindowequipment.com/wp-content/plugins/super-forms/uploads/php/files/34edccbb6b20d617fdc34b7445412a02/8698172591.pdfIn PDF document text
  • https://arket.io/wp-content/plugins/super-forms/uploads/php/files/kvqljt6gvpf835fm2lq41jp7mt/15447143036.pdfIn PDF document text
  • http://lesen-und-schenken.de/userfiles/files/91463980295.pdfIn PDF document text
  • http://www.bordadoindustrial.com/ckfinder/userfiles/files/58307801283.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b23df669ecd---sipudozolewaromoxokoku.pdfIn PDF document text
  • https://www.bakirkoytemsilcisi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160820580505b1---rofolutajitidosanajegob.pdfIn PDF document text
  • https://agrachoff.ru/wp-content/plugins/super-forms/uploads/php/files/a078bf9b1a8651ccaad01cbf0c826b2a/vogekewalaw.pdfIn PDF document text
  • https://plswa.com/wp-content/plugins/super-forms/uploads/php/files/04de42594ca41196beaf133752182df7/58167777778.pdfIn PDF document text
  • https://cuisinescartier.ca/upload/editor/file/56345979978.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608d69cb4811e---95552494623.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/37183194610.pdfIn PDF document text
  • http://philippinesroadshow.com/wp-content/plugins/super-forms/uploads/php/files/588868e589bde20e4fc9a9ebd5af711f/71110070762.pdfIn PDF document text
  • https://kede.org/userfiles/file/tavuwajup.pdfIn PDF document text
  • http://emotionpicturesfestival.gr/userfiles/file/rivaxejonejusefivavos.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160b1b65ccf3a2---turorabuxoled.pdfIn PDF document text
  • http://lulanjina.net/upload/files/29772808414.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/35523da925f819ca845f0a305084696a/68243029680.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/f2e352abbe363a8e1fd659c4c7b6b343/jagigifelogamolati.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/v94hb6kndr1djqtiv9m7advklm/10538463459.pdfIn PDF document text
  • https://prosegik.com/wp-content/plugins/super-forms/uploads/php/files/6af9e26fff938978b5f778d5f16020e8/mixab.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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