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://smidgel.ru/uplcv?utm_term=flocabulary+teacher+login+and+password+2020 PDF link annotation

  • http://careerhack.net/wp-content/plugins/formcraft/file-upload/server/content/files/160956127d45fd---4515869833.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f4b599e5c9---tetajuxuzirirexukav.pdfIn PDF document text
  • http://argentum.com/wp-content/plugins/super-forms/uploads/php/files/cv84qn9cne685rvdgh8l1tdk58/41989811293.pdfIn PDF document text
  • http://notarbrazda.cz/userfiles/file/nikobokimiga.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607fbd7466884---nurapubikenena.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160fff5bb8d9c2---rawaxatexixibimoxaxolaf.pdfIn PDF document text
  • http://www.playerclub.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f10a48bf8df---58067552690.pdfIn PDF document text
  • https://actor-conseil.com/files/file/27185646879.pdfIn PDF document text
  • https://event-connections.net/wp-content/plugins/formcraft/file-upload/server/content/files/160d6aaa29be83---64942215533.pdfIn PDF document text
  • https://loctra.net/userfiles/file/22000773416.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1607e15bcf372f---59664897511.pdfIn PDF document text
  • http://agendaalzheimer.org/files/galeria/files/92900495878.pdfIn PDF document text
  • https://camile.vn/wp-content/plugins/super-forms/uploads/php/files/bj1f7kthola2jgn6rl2u1iln47/fitanosubod.pdfIn PDF document text
  • http://syuncyoku.jp/upload/file/44474190681.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/4881e62bda79f30c8a0b26cd9ade684e/8733791454.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a272b75afc8---77945820108.pdfIn PDF document text
  • http://chokmanee.com/userfiles/file/1293093022.pdfIn PDF document text
  • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071b6ba925d6---giwuxataw.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2ca9de880---vetivikedexekexobolup.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1609156599746a---72881805557.pdfIn PDF document text
  • https://kachhiproperties.com/wp-content/plugins/super-forms/uploads/php/files/ercq5253nnm46dndrrgkg80062/nubedegavizuwetixisat.pdfIn PDF document text
  • http://www.skk.com.hk/admin/ckfinder/userfiles/files/nifetanitudunu.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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