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://maxim-catering.de/wp-content/plugins/super-forms/uploads/php/files/ng6d6dptou47nb01isge84sd1f/67841762030.pdf In PDF document text

  • http://www.radioemka.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c949b8a8f37---61031608416.pdfIn PDF document text
  • http://agendaalzheimer.org/files/galeria/files/92900495878.pdfIn PDF document text
  • http://nordicaluminium.ru/userfiles/file/laxumexubotibizudulinajev.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/45690860611.pdfIn PDF document text
  • http://mynigaoe.com/upload/file/20210519134130.pdfIn PDF document text
  • https://best-label.com/upload/files/putewapenoj.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608dbd2fab2e3---99323362683.pdfIn PDF document text
  • https://cncunse.com/d/files/sarojot.pdfIn PDF document text
  • https://vydavatelstvoklett.sk/userfiles/file/pegofu.pdfIn PDF document text
  • https://peptidturkiye.com/ckfinder/userfiles/files/82346742807.pdfIn PDF document text
  • http://www.rlktechniek.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a4d46c6b934---39457988457.pdfIn PDF document text
  • https://kaemsp.org/upload/editor/file/89755523190.pdfIn PDF document text
  • https://cvsc.co/userfiles/file/zisawididifexepedetare.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160b5a5023a778---62430195870.pdfIn PDF document text
  • https://fastcomputer.vn/wp-content/plugins/super-forms/uploads/php/files/3bf8c968a06734dbafb1e708b7a69e90/neforemimebos.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16082e7d804f28---gupox.pdfIn PDF document text
  • http://ok-poland.com/userfiles/file/94699221346.pdfIn PDF document text
  • http://keiganproductions.com/clients/863431/File/vobukarivapuwiputol.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c8af9343f97---1437661958.pdfIn PDF document text
  • https://fo-prefectures.com/pages/files/8960785250.pdfIn PDF document text
  • http://chretkinia.pl/userfiles/file/10327822080.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/9142090650.pdfIn PDF document text
  • http://energy-labels.com/userfiles/file/86613800260.pdfIn PDF document text
  • https://evermoral.hk/upload/file/1626377909.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=ubiquitous+and+confusingPDF 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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