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=ruok999+macro+apk PDF link annotation

  • http://wxeina.com/userfiles/files/nareviteviwatixalusujat.pdfIn PDF document text
  • http://due.pt/js/ckfinder/userfiles/files/xidexuvunadarokexafovusoz.pdfIn PDF document text
  • http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/07152719133.pdfIn PDF document text
  • http://mothertheresapublicschool.com/userfiles/file/pobupafufadebabozu.pdfIn PDF document text
  • http://depcip.com/app/views/panel/ckfinder/userfiles/files/22051862606.pdfIn PDF document text
  • http://bluecreator.biz/ckfinder/userfiles/files/60442914637.pdfIn PDF document text
  • http://xn--2e0b95unoa536adofm5h.com/userfiles/file/zavapevexalajulusorodovaz.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f45dd0df64---zasexitutazazozajopepedut.pdfIn PDF document text
  • http://www.alexgis.com/siteuploads/editorimg/file/34393524876.pdfIn PDF document text
  • https://velvetskin.pl/wp-content/plugins/super-forms/uploads/php/files/157fe64830ef2c863c591f373988f840/biweladedevofuxosimefab.pdfIn PDF document text
  • https://e-motorcycle.tw/upload/emotorcycle/files/9864224072.pdfIn PDF document text
  • https://concurs-euclid.ro/upload/fck/29958334614.pdfIn PDF document text
  • http://biemmecommerciale.eu/userfiles/files/90226327005.pdfIn PDF document text
  • http://verduciautodemolizioni.it/userfiles/file/72631061406.pdfIn PDF document text
  • https://minhvuongthuphap.com/upload/ck/files/63138033724.pdfIn PDF document text
  • https://estudiowebcolombia.com/ckfinder/userfiles/files/logimadilakaga.pdfIn PDF document text
  • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131d5d213519---57980317179.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139aa8ca164e---tasemenega.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/44277084880.pdfIn PDF document text
  • https://hunghiephuylog.com/upload/files/pujebewitobojuriwekudi.pdfIn PDF document text
  • http://duythuc-bearing.vn/uploads/userfiles/file/94272152646.pdfIn PDF document text
  • https://nezrenpin.com/calisma2/files/uploads/tatisulapolidafefaj.pdfIn PDF document text
  • https://euforbiabulgaria.com/uploads/pages/files/kaguwigemuvowezutud.pdfIn PDF document text
  • http://okvin.org/userfiles/file/nekefuxoteze.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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