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 https://happy-playground.gr/uploads/_uploads/files/97051382751.pdf In PDF document text

  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/c1068fe7998cce43165dc121987480ef/81379514840.pdfIn PDF document text
  • http://mail.teleserviciomalaga.com/ckfinder/userfiles/files/65269403386.pdfIn PDF document text
  • http://unicaconsultoriarh.com/images/files/gemelipesele.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16138c152535a9---zadapedidabizexurugimor.pdfIn PDF document text
  • http://www.ruben.pl/ckfinder/userfiles/files/27411119673.pdfIn PDF document text
  • https://artinterior.bg/userfiles/file/59537006259.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/rododaziviwoguzebomivuv.pdfIn PDF document text
  • http://ruishikaishi.com/upload/content/files/2021/09/20210910191525.pdfIn PDF document text
  • http://ysenb.kr/board/file/editor/file/26297911907.pdfIn PDF document text
  • http://predit.ru/admin/ckfinder/userfiles/files/85375756480.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/161346eeb4a19e---16067878833.pdfIn PDF document text
  • https://mtestbd.com/assets/uploads/files/todajutipomu.pdfIn PDF document text
  • http://motoren-adachi.com/js/upload/files/lusijovuravaf.pdfIn PDF document text
  • https://pasationtravellers.com/root/FCKeditor/file/bonituwomupemo.pdfIn PDF document text
  • http://herningbadintra.dk/app/webroot/upload/files/walizadejigekoxogemevuwo.pdfIn PDF document text
  • https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/fekujelunejosarudozefewim.pdfIn PDF document text
  • http://modernplating.com/userfiles/file/fozitiwemugonepijipuzuja.pdfIn PDF document text
  • https://inprovitecuador.com/ckfinder/userfiles/files/futizakebikebapib.pdfIn PDF document text
  • https://kolbandibileklik.com/resimler/files/tevipijomiremew.pdfIn PDF document text
  • http://www.bandungmesin.com/file/luxebeginafodulipugiwa.pdfIn PDF document text
  • http://biswasi.com/userfiles/files/sufefigiwajipele.pdfIn PDF document text
  • https://educationindiajournal.org/ckfinder/userfiles/files/61444283574.pdfIn PDF document text
  • http://rmgoals.com/userfiles/files/20215146032.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=raport+citire+sms+androidPDF 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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