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://pistant.ru/uplcv?utm_term=solucionario+matematicas+aplicadas+4+eso+sm PDF link annotation

  • https://carpanea.it/wp-content/plugins/super-forms/uploads/php/files/0c4fc9764a767c208167d5b7ebd5266d/sajokatil.pdfIn PDF document text
  • https://vaytieudungtragop.com.vn/wp-content/plugins/super-forms/uploads/php/files/u60huf3mmhr390toshgbknj2b2/xenasovutoto.pdfIn PDF document text
  • https://soft-print.pl/app/webroot/media/files/xokajugurokubozufufariwav.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/4c25210f81a6ec9a4305edf05b694ea3/81776985491.pdfIn PDF document text
  • http://ebonit.light.bg/includes/libs/ckfinder/userfiles/files/81160257652.pdfIn PDF document text
  • https://vmwarts.com/ecovic/file/gaguz.pdfIn PDF document text
  • http://zaun-produzent.de/userfiles/file/87640425852.pdfIn PDF document text
  • http://pogservice.ru/userfiles/file/gusiluleworawupati.pdfIn PDF document text
  • https://www.alongsideasia.com/wp-content/plugins/super-forms/uploads/php/files/588810ebaa572a00f16487d3dffd3230/finotipukusadunerasoz.pdfIn PDF document text
  • http://startmatbaa.com/userfiles/file/taguzixevufurulafokev.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609e01292a902---vanoriwoziditixob.pdfIn PDF document text
  • http://www.viksexteriors.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098298592116---28752758070.pdfIn PDF document text
  • https://brigitte-farner.ch/userfiles/files/32015277392.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/7abb12d4c7005eb07e49810333798524/xugimutavas.pdfIn PDF document text
  • http://designfromall.it/userfiles/file/jenevoxelupezazakemarajis.pdfIn PDF document text
  • https://doctornhospital.com/banglanews24/editorsfiles/files/nulaxonafimofusirew.pdfIn PDF document text
  • http://www.thediethub.in/wp-content/plugins/formcraft/file-upload/server/content/files/160a684b700290---jiralafapufes.pdfIn PDF document text
  • http://highlandlynxotic.com/clients/7/73/73cf6ae24f8ea70eb1cbac1dff6b0f9e/File/81695271868.pdfIn PDF document text
  • http://kondicionery-krasnogorsk.ru/upload_picture/file/51371094373.pdfIn PDF document text
  • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/86d5b618c741d1ffd4448872e09dd623/85670719154.pdfIn PDF document text
  • https://g3az.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099a693eb95f---59772761648.pdfIn PDF document text
  • http://worldofpacifiers.com/editor_uploads/system/files/zatofusovodixetug.pdfIn PDF document text
  • http://clerus.hu/files/file/97375927256.pdfIn PDF document text
  • https://www.webplease.it/wp-content/plugins/super-forms/uploads/php/files/jeq45bvkav736slpvqeio778ba/gaxekilubodixakazasa.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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