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://irlanc.ru/uplcv?utm_term=cuadernillo+de+caligraf%C3%ADa+para+imprimir+gratis+pdf PDF link annotation

  • http://www.thebetterinsurance.com/wp-content/plugins/formcraft/file-upload/server/content/files/160afcaca0b110---70298769386.pdfIn PDF document text
  • https://spectrumohio.com/wp-content/plugins/super-forms/uploads/php/files/ebbea0041191dc2b09b08c504233dae0/262998698.pdfIn PDF document text
  • http://brette-animation.com/userfiles/file/28238994852.pdfIn PDF document text
  • http://xn----8sbfeahwarn6ac1adp3fb2p.xn--p1ai/userfiles/file/sirumevo.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160d3880691fbb---983037768.pdfIn PDF document text
  • https://grupo.iberia.es/js/ckfinder/userfiles/files/57531580331.pdfIn PDF document text
  • https://www.apollopowersystems.com/wp-content/plugins/super-forms/uploads/php/files/c2e62c6b81913e52eeb8d0c7ddfdc9a5/lifokuwonisexonifuk.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/87801261226.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/a3036565b46566e10eb8d8d76de0d52c/pelubebiwokobokudibusuju.pdfIn PDF document text
  • http://cnpair.com/userfiles/file/fuvikamatijan.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/895c8ebaf506539b7fb3f431f9cbb0cb/tekemufopokesuxosomode.pdfIn PDF document text
  • http://agendaalzheimer.org/files/galeria/files/36195049498.pdfIn PDF document text
  • http://bomtvplus.com/data/board/file/20210531060121.pdfIn PDF document text
  • https://www.traveltimevipp.com/wp-content/plugins/super-forms/uploads/php/files/a73b9afbbf7712f93464d7667d9c82b9/32118164055.pdfIn PDF document text
  • https://proff-doors.ru/wp-content/plugins/super-forms/uploads/php/files/b88ae9e76d91fe8b5a824ba7f3e2df38/jexopejaja.pdfIn PDF document text
  • http://www.bewegeninarnhem.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16092240324ca4---matuwiv.pdfIn PDF document text
  • https://jerseyshorepirates.com/userfiles/files/13703201524.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/wezawivotuferoxe.pdfIn PDF document text
  • https://fidelishospice.com/ckfinder/userfiles/files/gelanujefi.pdfIn PDF document text
  • https://malimbe.africa/wp-content/plugins/super-forms/uploads/php/files/d8f255127eb8bec49de2ae1ed6ea1011/42903036669.pdfIn PDF document text
  • http://joshuadacosta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078ff608e8f3---fuxozagit.pdfIn PDF document text
  • http://thepokeluau.com/uploads/files/xubivusazolegoxofale.pdfIn PDF document text
  • https://ikuseikyokai.jp/ckmedia//files/30166407475.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8375612f1---paxozipifopive.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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