Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://chcial.ru/uplcv?utm_term=secret+hacking+codes+for+android PDF link annotation

  • http://tunapvietnam.thietbiotoviet.com/Images_upload/files/tezapetetawog.pdfIn PDF document text
  • https://www.thic.net/plugin/ce1/ckfinder/userfiles/files/73580040740.pdfIn PDF document text
  • https://www.aillant-sur-tholon.com/ckfinder/userfiles/files/85244044316.pdfIn PDF document text
  • http://vipnjl.com/userfiles/files/27567160231.pdfIn PDF document text
  • http://proxima-design.cz/files/file/40289964036.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff7bf70c09---motilusiw.pdfIn PDF document text
  • https://ancoraeducacion.com/images/vunej.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210905_0A6C070EB54A82D8.pdfIn PDF document text
  • http://vanharteyoga.nl/uploads/files/nisimaneruzabekamusedeget.pdfIn PDF document text
  • http://agenziaimmobiliarecannavo.eu/userfiles/files/pabefokagetibirizijus.pdfIn PDF document text
  • https://www.lumisolar.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1613df48c12575---91795485033.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/1b008cb7e733dd181c7f223325ae06c3/72157909154.pdfIn PDF document text
  • http://sirmamedia.com/ckfinder/userfiles/files/favaketeriwuzu.pdfIn PDF document text
  • http://mobil-tech.com/files/supumoropovoxo.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/64150822249.pdfIn PDF document text
  • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/16136eacde79f8---rigofukazenowozolixiv.pdfIn PDF document text
  • https://alamansyria.com/userfiles/file/kenibofab.pdfIn PDF document text
  • http://kukdae.com/files/fckeditor/file/gazarejabigiravibomazixi.pdfIn PDF document text
  • http://hrampetraipavlavosstanovlenie.ru/content/images/user/file/sumunibizoru.pdfIn PDF document text
  • http://rinsacars.com/files/others/janitoxibesap.pdfIn PDF document text
  • http://vet-spb.com/userfiles/file/zepilaregora.pdfIn PDF document text
  • https://118highschool.am/wp-content/plugins/super-forms/uploads/php/files/c75b9bb26ba376c21160e239b31e7751/26414509698.pdfIn PDF document text
  • https://maydongy.com/wp-content/plugins/super-forms/uploads/php/files/m43s3bfrm8pm4b9h88cd3979d4/33421405998.pdfIn PDF document text
  • https://www.tcf.gov.tr/ckfinder/userfiles/files/63711630313.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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