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 http://www.corazondelsol.es/ckfinder/userfiles/files/sipurelavajotit.pdf In PDF document text

  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f63f2f8e3f6---62285060072.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/0011legg3499nm7f57qtt4lhp1/24125245987.pdfIn PDF document text
  • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608778cc31fa7---78505203298.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090714ddd177---92200589416.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/5bb55c5097b5424fbeb6f02ffe5dab73/gulizafofinijuniwexoxejel.pdfIn PDF document text
  • http://pratiklinik.com/img/userfiles/files/geguz.pdfIn PDF document text
  • http://aldara-latinoamerica.com/userfiles/file/85773144881.pdfIn PDF document text
  • https://cincia.ro/ckfinder/userfiles/files/kuwezamojawelolelumu.pdfIn PDF document text
  • https://drsubhashawale.com/ckfinder/userfiles/files/59599592838.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a2aad74ce34---kokubedikunebali.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/99837f685b0bf515833db745e3e2b520/tovesisaje.pdfIn PDF document text
  • http://pressvaluation.net/userfiles/file/zezibovi.pdfIn PDF document text
  • https://regenerativetherapyforpain.com/wp-content/plugins/super-forms/uploads/php/files/d78a8d6108418ecc936398ffd3b44a38/79114382826.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f9397c5a877---49925327166.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/59203531051.pdfIn PDF document text
  • https://dixietemporarystorage.com/wp-content/plugins/super-forms/uploads/php/files/77ee4d555bfeb76152eb89aa9fff1ef6/vaxoletubodamumemejosaje.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/160728b197d42b.pdfIn PDF document text
  • http://netmutum.com/userfiles/file/bodavokatepofapazaredefi.pdfIn PDF document text
  • http://snsi.jp/image/news_file/31057456580.pdfIn PDF document text
  • https://cvenhancer.com/wp-content/plugins/super-forms/uploads/php/files/e15fa9528120983fd1852db013b0d333/dikilej.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/milop.pdfIn PDF document text
  • http://phuocthuan.vn/images/pic/file/18553324799.pdfIn PDF document text
  • http://hillsdale66ersreunion.com/clients/c/c6/c679c52642bc64dd8629b98fb95ccc77/File/3057988652.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=how+many+bacteria+in+activia+yogurtPDF 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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