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://nomylo.ru/uplcv?utm_term=csr+racing+cheats+android PDF link annotation

  • http://studiophotosfashion.it/userfiles/files/42204639197.pdfIn PDF document text
  • https://dobski.pl/userfiles/file/40222269768.pdfIn PDF document text
  • https://wegofa.com/userfiles/file/jemajuresozomisap.pdfIn PDF document text
  • https://matfplayer.com/calisma2/files/uploads/vijemevarudoximojoped.pdfIn PDF document text
  • https://jerseyshorepirates.com/userfiles/files/80790108677.pdfIn PDF document text
  • http://mrpokedb.com/uploads/files/tumijoxanugame.pdfIn PDF document text
  • http://challendor.com/fckeditor/upload/file/25184655708.pdfIn PDF document text
  • https://skyfireconsulting.com/wp-content/plugins/super-forms/uploads/php/files/0i3t61a8qli43gj8qn8ab3fta3/75217085054.pdfIn PDF document text
  • http://daiduongmetal.com/uploads/ckfinder/files/87832520630.pdfIn PDF document text
  • http://7profi.net/userfiles/file/duvenikabusas.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16131c77c40c50---90318709314.pdfIn PDF document text
  • http://www.la-rocca.pl/app/webroot/files/files/3596181831.pdfIn PDF document text
  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/15951445300.pdfIn PDF document text
  • https://giraffeng.net/infodaily/gen-ckfinder/userfiles/files/setamelilimogewuvel.pdfIn PDF document text
  • https://barrierball.cl/ckfinder/userfiles/files/bazerunek.pdfIn PDF document text
  • https://deycaterers.com/ckfinder/userfiles/files/lasapud.pdfIn PDF document text
  • https://eastoncn.housemember.com/uploads/files/legavagujuselone.pdfIn PDF document text
  • http://ufcnagykanizsa.hu/userfiles/file/fivekoretosonetis.pdfIn PDF document text
  • https://sunsoftinfoway.net/ckfinder/userfiles/files/zojuzubizokitobewudefivab.pdfIn PDF document text
  • http://rollfactorytogo.com/uploads/files/romivukagimusepa.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/a24361e6dfe1d3bf4d517664ba08b31e/serosepidafikipiboze.pdfIn PDF document text
  • http://aal.tw/uploads/htmlupload/files/24395630883.pdfIn PDF document text
  • http://haohanlegend.com/Uploadfiles/files/duwasadazowid.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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