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://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160cad1b9e3342.pdf In PDF document text

  • https://antoinepanau.com/wp-content/plugins/super-forms/uploads/php/files/3c52e0d0713341a8b4d2d71aece14304/nomuzovibosej.pdfIn PDF document text
  • https://esteticarcare.com/wp-content/plugins/super-forms/uploads/php/files/11f3eb518c9d3c5fdcd7e1878fc86c9d/62599440078.pdfIn PDF document text
  • http://kraljicabih.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c86a827bc4---87699773506.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16080610234868---91270082776.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/94640935633.pdfIn PDF document text
  • http://brezov-gaj.si/uporabnik/file/lovosuxirikawuwodawevir.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9af98fa74---xalal.pdfIn PDF document text
  • https://himalayanwanderer.com/himalayan/userfiles/files/56824224221.pdfIn PDF document text
  • http://ithaca1962.com/clients/41687/File/31419288524.pdfIn PDF document text
  • http://lnaixi.com/userfiles/file/20210816015629_797448533.pdfIn PDF document text
  • https://hfbee.tw/upload/ckfinder_temp/files/20210627093032.pdfIn PDF document text
  • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/t704eucoi6878cdt7j6rtk4te5/21715441431.pdfIn PDF document text
  • https://reflexlighting.com/wp-content/plugins/super-forms/uploads/php/files/ba8c83b1900c5b6c259c2cb85b67cd21/duginiwuweduveni.pdfIn PDF document text
  • http://mini-garden.ru/userfiles/file/87160359982.pdfIn PDF document text
  • http://asirius.su/wp-content/plugins/super-forms/uploads/php/files/22da89444c0cfc35bd3fe8f005b2dcaf/67992566719.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/30f768077c3e42295d75dc2f4d1ab24b/zetenib.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/19625943583.pdfIn PDF document text
  • http://wbbray.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609783577cf0f---34082957862.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/2t976tsqqrvlk0mgfr8qdavl3h/22788664833.pdfIn PDF document text
  • https://www.willmarshelter.com/ckfinder/userfiles/files/putawab.pdfIn PDF document text
  • http://xahuaheng.cn/userfiles/file/19633585430.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=pre+shipment+and+post+shipment+finance+pdfPDF link annotation
  • 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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