Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://archism.ru/uplcv?utm_term=download+legend+of+zelda+four+swords+gba+rom+pt+br PDF link annotation

  • https://alcc.vn/wp-content/plugins/super-forms/uploads/php/files/ou2qv5icuiod7tl9mq71m6f59f/gafatiz.pdfIn PDF document text
  • https://aptitudeclass.com/ckfinder/userfiles/files/xividepinojed.pdfIn PDF document text
  • https://tw-itemaos.com/ckfinder/userfiles/files/84754880804.pdfIn PDF document text
  • http://maychamsocda.vn/images/userfiles/file/93731377883.pdfIn PDF document text
  • http://bpsstudio.hu/uploads/51364997167.pdfIn PDF document text
  • http://vilaportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d8a0117337---47048014685.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/1607856382b868---retiruwajuwebafonibagi.pdfIn PDF document text
  • https://textosolutionslinguistiques.ca/upload/editor/file/3148542070.pdfIn PDF document text
  • http://edison76.com/clients/5/54/54c13950cbd15a81e6fb4362eab8f273/File/3894812604.pdfIn PDF document text
  • https://keluargamimpi2.com/contents//files/fidabu.pdfIn PDF document text
  • https://3dreamvr.com/wp-content/plugins/super-forms/uploads/php/files/f5747ae716bc6ab898371b5cb24d23b0/62976894318.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079111dabc61---lujisipore.pdfIn PDF document text
  • https://notofthisgalaxy.com/wp-content/plugins/super-forms/uploads/php/files/kf82tl4n8n3iejedhp316quf4j/7280903708.pdfIn PDF document text
  • http://howsonfamilyreunion.com/clients/5/57/57b8fe7d350e782a16e6afc8bdcd6467/File/zagewanikibu.pdfIn PDF document text
  • http://normel.org/files/upload/file/doxevatumubefunek.pdfIn PDF document text
  • https://webvitamin.vn/app/webroot/uploads/files/liporolufoninizijaril.pdfIn PDF document text
  • http://ophirtonhotel.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1610482ee00ff5---tukigexivozuxexipatopizi.pdfIn PDF document text
  • http://adabaskimerkezi.com/upload/file/71501398369.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/kq6lhlh1tbq27lnifnkkhn4i91/rizemipirezizufijovibol.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/09af7cc6bf918c89366462a9d3af114c/57853907453.pdfIn PDF document text
  • http://www.gainerwindows.ca/wp-content/plugins/super-forms/uploads/php/files/2k61s46i4i8uf4s128oo4v7kb0/37285602618.pdfIn PDF document text
  • http://alvasari.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a738c76a978---50500906762.pdfIn PDF document text
  • https://daynexweb.com/upload/ckfinder/files/jidutakemozopuvatoriga.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075e081112e9---sowunutugerefajumosoxevu.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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