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://live-lessons.net/lcj/web/uploads/assets/file/53171813144.pdf In PDF document text

  • http://quinta.cl/upload/files/releripu.pdfIn PDF document text
  • https://clinicscrm.com/img/files/66119504590.pdfIn PDF document text
  • http://hp-cnc.de/uploads/files/54549597799.pdfIn PDF document text
  • https://locoffice.ru/userfiles/file/14838793383.pdfIn PDF document text
  • http://hftyby.com/upload_fck/file/2021-8-25/20210825011732134397.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/ximanivabilalizojajobulo.pdfIn PDF document text
  • http://ohmytour.kr/FileData/ckfinder/files/20210704_A976A09C4D28321F.pdfIn PDF document text
  • https://baohohoanglong.com/userfiles/file/novexe.pdfIn PDF document text
  • http://makaifruits.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f583926bb02---wagofusibalod.pdfIn PDF document text
  • https://mimpisiluman.com/contents//files/3999108081.pdfIn PDF document text
  • https://www.shamshabaddiocese.org/files/js/ckfinder/userfiles/files/70221047370.pdfIn PDF document text
  • http://chiangmaicharmingtravel.com/ckfinder/userfiles/files/55405667480.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/5fd13603345b76ae453ec1afc8a38db9/nunodowinaxusopagovoxo.pdfIn PDF document text
  • http://gennarimaq.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160824f5996ef7---kekoronifaba.pdfIn PDF document text
  • https://socialchangefactory.org/wp-content/plugins/super-forms/uploads/php/files/6a157e8c3cb7a528909ed7698a743529/19331932089.pdfIn PDF document text
  • http://mmdplus.com/userfiles/files/20210709_122613.pdfIn PDF document text
  • https://aadhaarretail.com/administrator/imagetemp/file/79832368986.pdfIn PDF document text
  • https://gauravkankariya.com/wp-content/plugins/super-forms/uploads/php/files/ct30fca8s2464quiqnepk86jd1/91037796937.pdfIn PDF document text
  • http://shqinze.net/admin/upimg/file///29065515993.pdfIn PDF document text
  • http://assushop.com/userfiles/assushop.com/file/33138488676.pdfIn PDF document text
  • https://ensegun2.com/ckfinder/userfiles/files/tizilikokanexemonad.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611544637fcc3---ranitupowip.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d1287f019b---37385762904.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/fzgW7-mxBc0/uplcv?utm_term=methods+of+teaching+poetry+in+english+pdfPDF 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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