Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://crewmak.ru/uplcv?utm_term=hotspot+shield+free+vpn+apk+download PDF link annotation

  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1613f6afa0c77e---2335023717.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ae0d14d148605433d40502b002a79e6d/45113123240.pdfIn PDF document text
  • http://k2plusinterior.com/userfiles/fuzagalanew.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141a3eeeca5c---52313829804.pdfIn PDF document text
  • http://tcsm62.org/uploads/news/file/nunumigagokapuduf.pdfIn PDF document text
  • http://sbcnepal.com/images/file/43072806255.pdfIn PDF document text
  • https://camping-du-lac-dijon.com/userfiles/fichiers/90625920371.pdfIn PDF document text
  • http://pi-consulting.ch/download/53724465010.pdfIn PDF document text
  • http://hb-hospital.com/file_upload/fck_upfile/file/saposiseralovidegezoj.pdfIn PDF document text
  • http://fisioterapiasuzzara.it/userfiles/files/11769730163.pdfIn PDF document text
  • https://alajuusa.ee/media/contents/file/zenagovemutagusijux.pdfIn PDF document text
  • http://abwingsde.com/uploads/files/zonefogipoxuba.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/64979693159.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eef722c47f---47411506984.pdfIn PDF document text
  • http://efuturesthai.com/uploads/files/zoxipezarufuk.pdfIn PDF document text
  • https://sreekanakananda.com/ckfinder/userfiles/files/wimojimovufesikikazezisov.pdfIn PDF document text
  • http://statsale.com/data/upload/ck/files/xojavizir.pdfIn PDF document text
  • http://prakseologia.eu/userfiles/file/82531243715.pdfIn PDF document text
  • http://digitalpolicycouncil.org/imagenes/file/92961356412.pdfIn PDF document text
  • http://borneneskontor-landsforening.dk/userfiles/file/tagakokos.pdfIn PDF document text
  • https://ourlady-schools2.com/userfiles/files/sefuvafedupos.pdfIn PDF document text
  • http://neodermclinic.com/file_media/file_image/file/27435620568.pdfIn PDF document text
  • http://thienanglass.vn/upload/files/76473294991.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133c931712bc---47549480513.pdfIn PDF document text
  • http://email-database.info/userfiles/file/3174686645.pdfIn PDF document text
  • http://bxbrdh.marketsearching.com/upload/files/81203936120.pdfIn PDF document text
  • https://smsenerji.com/resimler/files/41940644881.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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