Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://chcial.ru/uplcv?utm_term=componentes+de+la+sangre+humana+pdf PDF link annotation

  • https://cgeminfos.ma/upload/file/gutawexukimoxasutixunopir.pdfIn PDF document text
  • http://ylpcl.com/ckfinder/userfiles/files/nutovawivurebixafep.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ff08f312bb---88745298386.pdfIn PDF document text
  • http://portalcom-b2b.es/img/user///file/_0341520001620327879.pdfIn PDF document text
  • http://lamekatus.com/uploads/ckeditor/files/17329440205.pdfIn PDF document text
  • https://immo-cjeanpaul.lu/userfiles/files/76083263650.pdfIn PDF document text
  • http://orgue-chantepie.info/FCKeditor/upload/file/wigolumiwukoledekabozoxot.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/64733127685.pdfIn PDF document text
  • http://fred-robin.com/ckfinder/userfiles/files/43137473508.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610f0608d2455---20997478945.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160970d3682539---sufetaxitisen.pdfIn PDF document text
  • http://dobrejaja.com/Upload/file/41496286128.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/ee3e9b53a1ac251330c9e776fbc90506/tenufenoxapotixa.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608f911974a29---10148120647.pdfIn PDF document text
  • https://apoc.com.au/wp-content/plugins/super-forms/uploads/php/files/d42fbd1f0c1ded166b28a65a5ce708fe/relobimomuvaxix.pdfIn PDF document text
  • http://geerhannutpourreussir.be/docs/upload/files/72411489051.pdfIn PDF document text
  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/7dd07deca5a869d578a462e42da1268d/79160386792.pdfIn PDF document text
  • http://giasuthanhdat.vn/Images_upload/files/30136237342.pdfIn PDF document text
  • https://monamifrance.com/FileData/ckfinder/files/20210823_F1CC651AB7BFFE27.pdfIn PDF document text
  • http://printrun.nl/userfiles/files/34187490642.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/c2c2106394a82a44fed4b10a0f20395e/65864191842.pdfIn PDF document text
  • http://naturestuff.nl/siteimages/file/dadixopaf.pdfIn PDF document text
  • https://macleanpinesdrivingschool.com.au/wp-content/plugins/super-forms/uploads/php/files/782ed59e4ccb5acb2b4841a3dd6df48f/zipudotakumudumabe.pdfIn PDF document text
  • http://rklatex.com/userfiles/file/najilizetabaliwijijado.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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