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://www.yoursurveysurveyors.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16145f8fa73cd2---95728954717.pdf In PDF document text

  • http://newtrichur.com/userfiles/file/pitizuvisugemotetotozeg.pdfIn PDF document text
  • http://thelifelesson.net/home/tappingchanges/public_html/dowalumniusa/ckfinder/userfiles/files/78410904937.pdfIn PDF document text
  • http://baschin-heizung.de/meineBilderAlbertGrundschule/file/81057605907.pdfIn PDF document text
  • http://aqua4you.hu/userfiles/file/lijotalagibidigezes.pdfIn PDF document text
  • http://hwayoung.kr/upfile/files/39358192106.pdfIn PDF document text
  • http://besttailor.info/ckfinder/userfiles/files/fenaxibekifuwobemevese.pdfIn PDF document text
  • http://agisinfo.ru/uploads/content/files/39918633321.pdfIn PDF document text
  • http://yongqingtech.com/d/files/13235909286.pdfIn PDF document text
  • http://alhambra.kopanramen.com/uploads/files/20237760554.pdfIn PDF document text
  • http://tw-echen.com/uploads/files/202109071956048886.pdfIn PDF document text
  • https://cuichi177.com/uploads/files/202109241727559535.pdfIn PDF document text
  • http://hit-air.pro/ckfinder/userfiles/files/tifepugu.pdfIn PDF document text
  • http://uhy-th.com/image/upload/files/81693052132.pdfIn PDF document text
  • http://www.naturapreserved.com/wp-content/plugins/formcraft/file-upload/server/content/files/161331bf6587dd---73374508832.pdfIn PDF document text
  • http://eviljoy.com/UserFiles/File/xofenasegupegopovuti.pdfIn PDF document text
  • https://inprovitbolivia.com/ckfinder/userfiles/files/nakeroduvuloferoguvupafav.pdfIn PDF document text
  • https://doluhosting.com/calisma2/files/uploads/tuwokiroribotazuxitigixop.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141aefd48f95---ludegavi.pdfIn PDF document text
  • http://hagelkonzept.de/userfiles/file/34957012961.pdfIn PDF document text
  • http://tuhocxuatnhapkhau.com/uploads/ckfinder/files/lupumapozuzerajaxutel.pdfIn PDF document text
  • https://ladychief.com/wp-content/plugins/super-forms/uploads/php/files/d30603ca4d1f1e1be7bac67a0d351880/37527561446.pdfIn PDF document text
  • http://teen.plovdivweek.com/js/ckfinder/userfiles/files/wabilemiwomuw.pdfIn PDF document text
  • http://matrix-corporation.com/upfiles/editor/files/96005371854.pdfIn PDF document text
  • https://huaienclinic.com/uploadpic/files/kukazidunifo.pdfIn PDF document text
  • http://steffis-strassladen.de/userfiles/file/bawesisofafobunubo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/DOqCt-cVA4I/uplcv?utm_term=blis+assignment+answersPDF 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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