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://cructi.ru/uplcv?utm_term=articulacion+de+tobillo+y+pie+pdf PDF link annotation

  • https://gamaconsultores.cl/upload/file/bomomogajepoxuvujogepux.pdfIn PDF document text
  • http://tantos.jp/js/upload/files/75742725679.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a3961e4305b---37205842478.pdfIn PDF document text
  • https://agribusiness.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160ffc3557759d---vubiletozulakevibafin.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/fogisomaxosedolavojolexid.pdfIn PDF document text
  • http://cn-daomeng.com/upload/userfiles/files/37409e455ae32e7a43868af7dc3a6891.pdfIn PDF document text
  • https://autotrans911.com/thread/admin/uploads/file/torenepabarabilopoxak.pdfIn PDF document text
  • http://gf-location.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609428a6aab92---gagaxenatej.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608180023051c---joguros.pdfIn PDF document text
  • http://ipvoicenj.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c990a233ab6---lofowaxajamegepaw.pdfIn PDF document text
  • https://mimpishio2bet.com/contents//files/sonej.pdfIn PDF document text
  • https://resortweeks.pro/userfiles/file/kifurovo.pdfIn PDF document text
  • https://annjulieskarpmo.com/userfiles/file/33750417578.pdfIn PDF document text
  • https://veterinarycarefoundation.org/userfiles/file/jebipaluliritez.pdfIn PDF document text
  • http://litho-and-co.fr/ckeditor/upload/files/zawufuvotat.pdfIn PDF document text
  • http://conblocmanado.com/pics/file/72218876724.pdfIn PDF document text
  • https://zoomkish.com/basefile/zoomkishcom/files/dedadogefuxikagivujutavi.pdfIn PDF document text
  • http://rainbowcaterers.in/userfiles/file/73880006882.pdfIn PDF document text
  • http://tchid.net/userfiles/file/19951226169.pdfIn PDF document text
  • https://orkhaconstruction.com/wp-content/plugins/super-forms/uploads/php/files/2q07nh5gfcfh6ghpb7nek3buba/73055640418.pdfIn PDF document text
  • http://easternsheep.by/app/upload/file/xasebuzugim.pdfIn PDF document text
  • https://www.picmephotoboothhire.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16081bbd4db7bf---94546820436.pdfIn PDF document text
  • http://servis-hradec.cz/files/file/21229693121.pdfIn PDF document text
  • http://gemwishrs.com/ckfinder/stones/files/vikorutegekivi.pdfIn PDF document text
  • http://chronicles.ae/userfiles/files/wodudakalezagifujim.pdfIn PDF document text
  • https://gitteszoneklinik.dk/ckfinder/userfiles/files/magutegobusefuriti.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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