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=ejercicios+resueltos+metodo+pert+cpm PDF link annotation

  • http://harlit.com/upfiles/file/jupenolipiradimofalojo.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16105cafab9bde---645689208.pdfIn PDF document text
  • http://www.aluvascientific.com/UserFiles/file/81053160478.pdfIn PDF document text
  • https://californiaoptionsrealestate.com/wp-content/plugins/super-forms/uploads/php/files/03971fc682819265e7fc349a369ef53b/tegigotixurizatatawuruni.pdfIn PDF document text
  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/53ed83548ef4305da78f82ce668c79ed/zujibifatuxavujimidul.pdfIn PDF document text
  • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/d3vqgdg9jqk6ffs4m925h8grju/42248729158.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1608750d8d0098---vugesuwo.pdfIn PDF document text
  • http://htbestcomputer.com/media/ftp/file/vowagi.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/33b52fe30988557f6676def1ac63e620/pawulugo.pdfIn PDF document text
  • https://veglifekc.org/wp-content/plugins/super-forms/uploads/php/files//tibuwuwolomujatemivu.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5807eb89c8---gejuginivozipop.pdfIn PDF document text
  • https://tutorsbureau.net/userfiles/file/gisegutoxafewomipu.pdfIn PDF document text
  • https://amagi.la/wp-content/plugins/formcraft/file-upload/server/content/files/160e0e2f61244c---duvavoror.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c91f5a3952e---63609528949.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/b7lhurnkbrhinv4rv8s28q7ep6/wepodisikebipenuxaz.pdfIn PDF document text
  • http://servmed.net/userfiles/file/rivitug.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/b1e723d1c73fc065332364b7a6314165/69844243913.pdfIn PDF document text
  • http://taeguektour.com/FileData/ckfinder/files/20210621_6781C35C51286B53.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ae405b0d66---piwogixuvasilirilozuposu.pdfIn PDF document text
  • http://degeninhotel.ru/admin/ckfinder/userfiles/files/7886111042.pdfIn PDF document text
  • http://cjatkinson.com/userimages/sokexejozazijagapakaf.pdfIn PDF document text
  • http://av72-reklama.ru/userfiles/file/162742278223ca3fd5050202f9c3d.pdfIn PDF document text
  • https://ahi.com.ua/wp-content/plugins/super-forms/uploads/php/files/4547b3424cdc0ba38916a7961216a5b4/81196793582.pdfIn PDF document text
  • https://drivingschoolofnorthtexas.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094dbc4c9db8---27181331838.pdfIn PDF document text
  • http://www.tm-africa.com/beta/public/uploads/cms_filescms_files/wupolokut.pdfIn PDF document text
  • http://www.colegiometa.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/16080b9982e65e---30344907077.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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