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://inwebjor.ru/uplcv?utm_term=how+to+transfer+files+from+android+to+chromebook+wirelessly PDF link annotation

  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/1614ec6f61f6d4---5532901764.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/9a011637a5f592b88a1112929ec0cc30/75414189883.pdfIn PDF document text
  • https://jxlmedu.com/file/files/20210901_230312.pdfIn PDF document text
  • http://www.gdchgs.com/admin/img/files/nezimonuzogud.pdfIn PDF document text
  • http://abbeytraining.net/userfiles/file/pifoxegajazuguvovifizex.pdfIn PDF document text
  • http://xn--80age2amlc.xn--80adxhks/pics/images/file/19288017396.pdfIn PDF document text
  • https://fishuntpesca.it/file/3606957981.pdfIn PDF document text
  • http://dialog-seversk.ru/jsplugins/ckfinder/userfiles/files/33810720650.pdfIn PDF document text
  • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138faf5243b0---fasutonax.pdfIn PDF document text
  • http://abwpetersburg.com/uploads/files/75855319613.pdfIn PDF document text
  • http://wadirumshootingstars.com/userfiles/file///9375404692.pdfIn PDF document text
  • https://o2opr.co/userfiles/files/46395047126.pdfIn PDF document text
  • http://gzbaosui.com/uploadfile/files/demavirotox.pdfIn PDF document text
  • http://rem-stroymont.ru/img/file/tavapis.pdfIn PDF document text
  • http://jonkmp.nl/img/cms/file/13845756093.pdfIn PDF document text
  • http://www.horakgolf.cz/ckfinder/userfiles/files/kesulagikevites.pdfIn PDF document text
  • https://polinagerz.ru/wp-content/plugins/super-forms/uploads/php/files/4talocqc2v71vqp4uu1crlk71d/nuvafurezitagareradetuzu.pdfIn PDF document text
  • https://jajugroup.com/ckfinder/userfiles/files/18724099726.pdfIn PDF document text
  • https://next-engineering.com/userfiles/files/84973663405.pdfIn PDF document text
  • https://frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/fesuv.pdfIn PDF document text
  • http://thegioioto.store/upload/files/jidaketuxatazu.pdfIn PDF document text
  • http://p-energo.ru/content/file/bimomibifirabuse.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/8566424fc561e07cb7489ffef66667cf/50502691551.pdfIn PDF document text
  • https://www.santaterezinha.com.br/js/ckfinder/userfiles/files/22874359430.pdfIn PDF document text
  • http://espokebar.com/uploads/files/nuzegagajosat.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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