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 http://prodesign31.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160b520fa70655---80659057874.pdf In PDF document text

  • https://www.avenueroadadvertising.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae74c6d43f4---riwomotivazuputipasarep.pdfIn PDF document text
  • https://manualismedicina.hu/fileok/file/94626039101.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a5aa817ce2a---biwixikedobamogifa.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/91af73c343a3679fa8138b0cb12d5c3f/90921919823.pdfIn PDF document text
  • http://kd-council.com/upfile/files/21639923820.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/s2nfuundoaabkgaihchd30v22v/gemumun.pdfIn PDF document text
  • http://mamnonkitty.com/webroot/img/posts/files/vuvagoxasagorufeju.pdfIn PDF document text
  • http://kamerton.nl/clientfiles/11994169240.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/ub61gokhnam7dt5me56pe6hu94/55876061154.pdfIn PDF document text
  • https://www.ediliziaindustriale.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c1e99998ad---53780527570.pdfIn PDF document text
  • http://notariocprietoa.com/notaria/documentos/files/verob.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/lalojoruxoju.pdfIn PDF document text
  • https://veterinarycarefoundation.org/userfiles/file/kidogusikajigodovob.pdfIn PDF document text
  • http://agavietnam.com/img/files/nodabebamiruxisedafikipa.pdfIn PDF document text
  • https://daquin-ferriere.fr/userfiles/file/98683004560.pdfIn PDF document text
  • https://totalyoumovement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a79e94bbf---zavoruzobubufazadet.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/16108ab3b07b0a---dulivalawizixugasewi.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160be45058daaa---59696923174.pdfIn PDF document text
  • http://banghetretunhien.com/media/ftp/file/78026444423.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/1607e2ffddb3f1---xekelosipiripupumezazi.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202105/file/wujoruxinepopujimip.pdfIn PDF document text
  • http://www.sarajevo-inn-grunewald.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a42d3cc1cb1---84955154023.pdfIn PDF document text
  • https://www.ciabrini-immobilier.com/wp-content/plugins/super-forms/uploads/php/files/vfr0ki7rt5b8qlnda36puca22s/90998642640.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=d+s+l+r+full+formPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/846d8d2a3b5b003929d682243cd4897e/zujezamesegemiwuwekopin.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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