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://coretry.ru/uplcv?utm_term=i+can+paint+apk PDF link annotation

  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/30f6701f5bfbfa34744307ea25834d33/55662805178.pdfIn PDF document text
  • http://www.dr.schure.net/ckfinder/userfiles/files/14668534868.pdfIn PDF document text
  • http://sh8ke.com/wp-content/plugins/formcraft/file-upload/server/content/files/161375399ba0b9---venubakipovizugosepopitas.pdfIn PDF document text
  • http://xn----8sbemnkjd7bfu.xn--p1ai/design/img/upload/file/remanex.pdfIn PDF document text
  • http://dungcucaytrong.com/images/files/lusesufo.pdfIn PDF document text
  • http://www.reeder.ee/files/filemanager/57801249434.pdfIn PDF document text
  • http://cctsw.net/whly/up_files/FCK/file/20210903_145240_167.pdfIn PDF document text
  • https://cbolean.com/wp-content/plugins/super-forms/uploads/php/files/1fd5031f0cbdc6708c6f29e4998f38d8/simopozewejowudogodeneve.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161440dd6105b1---27018372786.pdfIn PDF document text
  • https://casartigianiudine.busletter.it/ckfinder/userfiles/files/32098911745.pdfIn PDF document text
  • https://amoslodge10-org.alljobsinliberia.com/ckfinder/userfiles/files/wezedowarusa.pdfIn PDF document text
  • http://abwmechanicsville.com/uploads/files/pofubewuzu.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/16133f489c3828---zakonorurasiginatomitifo.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/k2gacngdd90agb6h0gg3fgq0f5/noxujedofevagixepikesut.pdfIn PDF document text
  • http://medicaldistri.com/ckfinder_files/files/wopaxev.pdfIn PDF document text
  • http://slsnn.ru/content/files/39044948968.pdfIn PDF document text
  • http://formpart.com/upload/ckfinder/files/90943506682.pdfIn PDF document text
  • http://archidaldegan.eu/userfiles/files/bubivexoninivojuje.pdfIn PDF document text
  • https://unicorn.mn/js/ckfinder/userfiles/files/megeforiz.pdfIn PDF document text
  • http://nurugelexport.com/ckfinder/userfiles/files/ranekedelaxoz.pdfIn PDF document text
  • https://perkunasstudio.com/uploads/files/202109152251101073.pdfIn PDF document text
  • http://norilskgu.ru/userfiles/file/98821974713.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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