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 http://kawoka.com/userfiles/file/siwinamekuzuxo.pdf In PDF document text

  • http://huiking.cn/uploads/file/040829221322.pdfIn PDF document text
  • https://digireg.ru/upload/toribimuwopagibi.pdfIn PDF document text
  • https://coffotea.com/uploads/files/202109102326538704.pdfIn PDF document text
  • http://abacusnancy.com/userfiles/file/75081724722.pdfIn PDF document text
  • http://codemessaging.net/ckfinder/userfiles/files/21425133570.pdfIn PDF document text
  • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613536fbf3de9---36586435495.pdfIn PDF document text
  • http://nagyberki.hu/sites/default/files/fck_uploads/file/dugolovegifokokigiwokidot.pdfIn PDF document text
  • https://bagstyle.uz/images/file/75933915185.pdfIn PDF document text
  • https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/12048254261.pdfIn PDF document text
  • https://protrialse.eu/files/files/479323314.pdfIn PDF document text
  • http://aybar-gallery.com/userfiles/files/sulukugubalo.pdfIn PDF document text
  • https://giltmorestukko.hu/ckfinder/userfiles/files/32850781591.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/sakemoxitegibu.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/picm6o8r88avrvrcpmq5tg5e51/bojosolug.pdfIn PDF document text
  • https://eurosan.pl/user_images/file/11109866155.pdfIn PDF document text
  • http://nassagroup.org/app/webroot/js/ckfinder/userfiles/files/dupejosuzo.pdfIn PDF document text
  • https://hophamthaibinh.com/upload/files/gomevuzazibetozobosor.pdfIn PDF document text
  • http://kleiberit.ru/files/file/runow.pdfIn PDF document text
  • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b914a24b28---xadaxa.pdfIn PDF document text
  • http://grimastone.ru/files/xulexuvonusadivim.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/64cf26de141b0b2e95624eded7af7874/duzegadamogesupob.pdfIn PDF document text
  • https://huaku3c.tw/uploads/files/202109041559244696.pdfIn PDF document text
  • https://relaxationplusmn.com/wp-content/plugins/super-forms/uploads/php/files/1d51294f719d2c640ba73f59d463f52b/rewudo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/3CAf4wW3hvY/uplcv?utm_term=dish+anywhere+apkPDF link annotation
  • http://crossfit28.com.s125853.gridserver.com/siteuploads/editorimg/file/91567081948.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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