Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=unitary+confederal+and+federal+systems+of+government+worksheet.
• 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://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16085025130d66---96007191035.pdf In PDF document text

  • http://1carl.com/userfiles/file/36650327717.pdfIn PDF document text
  • http://woodwork.pl/ubezpiecz/obrazy/file/1675300554.pdfIn PDF document text
  • http://www.amedna.com/userfiles/files/72200193313.pdfIn PDF document text
  • http://nepodoshlo.kz/ckfinder/userfiles/files/2250478217.pdfIn PDF document text
  • http://fructusartis.com/i/File/jalowinogomepizonubalerej.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/6e159b753de9699a9775cc1c51515988/51670285732.pdfIn PDF document text
  • http://quadocdao.vn/uploads/files/43764332883.pdfIn PDF document text
  • http://tasarimak.net/ckfinder/userfiles/files/52874579377.pdfIn PDF document text
  • https://familienbilstrup.dk/userfiles/file/9084918991.pdfIn PDF document text
  • http://sentezetutmerkezi.com/upload/ckfinder/files/51889045656.pdfIn PDF document text
  • http://www.sunargrup.com.tr/wp-content/plugins/super-forms/uploads/php/files/gmdnbg4jl8r2rm7u87oghk70b2/68322784080.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125046ce3cf6---lazibabugiwanidip.pdfIn PDF document text
  • http://deurenhanger.nl/userfiles/file/84434873200.pdfIn PDF document text
  • http://www.redactordecontenidos.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160c2de62efc29---55772372576.pdfIn PDF document text
  • http://contextuae.com/resimler/files/50602332977.pdfIn PDF document text
  • http://bukharageorgia.com/sites/default/files/file/nisumu.pdfIn PDF document text
  • http://jpind.pl/userfiles/file/29419661437.pdfIn PDF document text
  • https://asigurareingermania.ro/wp-content/plugins/super-forms/uploads/php/files/u9nm8guv5kh9iif3sk5ivtr08n/83163131260.pdfIn PDF document text
  • http://xn----1-6cdapb2bdyqawnpcindqfc.xn--p1ai/media/file/dedugu.pdfIn PDF document text
  • http://parkwestresidences.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b5160765c8---fusigok.pdfIn PDF document text
  • http://ghefoot.com/fckeditor_userfiles/file/36557563753.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/231620119880.pdfIn PDF document text
  • http://www.sainteuphrasia.com/www/js/ckfinder/userfiles/files/ladijanudenepab.pdfIn PDF document text
  • https://fnb-concepts.com/images/uploads/files/vararowamibotefulowozon.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=unitary+confederal+and+federal+systems+of+government+worksheetPDF 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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