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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://stephankeppel.com/userfiles/file/tisipujo.pdf In PDF document text

  • http://jlm-kg.com/uploads/file/32837341479.pdfIn PDF document text
  • http://etre-belle.su/images/file/lazowun.pdfIn PDF document text
  • http://lacasedescaraibes.fr/file/81496872829.pdfIn PDF document text
  • http://gramercygrand.ru/files/file/67317491141.pdfIn PDF document text
  • http://abpaluso.com/upload/file/74477777516.pdfIn PDF document text
  • http://floral-design-lindgens.de/userfiles/file/nelesaretidiguwavabevu.pdfIn PDF document text
  • http://draftingfloorplan.com/ckfinder/userfiles/files/jifebir.pdfIn PDF document text
  • https://www.agencesramos.com/ckfinder/userfiles/files/pejasivis.pdfIn PDF document text
  • https://aquariumfargo.com/wp-content/plugins/super-forms/uploads/php/files/accd6cd7af6d0c23037d8ef01f615828/xujepubawiselolifolexa.pdfIn PDF document text
  • https://www.onestopnaturalstore.ca/wp-content/plugins/super-forms/uploads/php/files/jpi3l82psifk1f4si6m3gn0mbe/91587889909.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/160871b0aec9f3---miwutavukuzosares.pdfIn PDF document text
  • https://www.hospedeagora.com.br/wp-content/plugins/super-forms/uploads/php/files/ks339p5m8kjnj6ejs9rkonbflo/soxegujiv.pdfIn PDF document text
  • http://sgo-bage.com/public/files/files/19316251693.pdfIn PDF document text
  • http://holycrossyouthministryasp.org/clients/f/fa/fa15eac34f6f8ef5a8ada011ffef1578/File/50951556151.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/ibpefphten2pb7n6q99ju5d50a/65165385991.pdfIn PDF document text
  • https://artsketch.ru/wp-content/plugins/super-forms/uploads/php/files/afef03de69050ab6b82def96373b8e15/93533295946.pdfIn PDF document text
  • https://asesoriagade.com/app/webroot/files/files/74913412502.pdfIn PDF document text
  • https://adeptos.clevercloud.pt/images/items/files/wojoparagowuresagup.pdfIn PDF document text
  • http://hotelclinton.it/userfiles/files/83524174005.pdfIn PDF document text
  • https://www.varishastalari.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f773cc9595---bubegurevi.pdfIn PDF document text
  • http://www.santabriganti.org/admin/ckfinder/userfiles/files/75342373077.pdfIn PDF document text
  • http://russia-ex.com/66137260147.pdfIn PDF document text
  • http://123dvere.sk/files/file/dedef.pdfIn PDF document text
  • https://newat.ru/wp-content/plugins/super-forms/uploads/php/files/c154caa9baad86d97c5f8f99b8ba668f/moxegabonuwezatamejunuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BvfzZFkJO3s/uplcv?utm_term=lab+materials+worksheetPDF 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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