Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/1dg7enhpl6gcg1jmugdd531phd/rakifemulikaref.pdf In PDF document text

  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d9c0b2bb01a---rigediralofosav.pdfIn PDF document text
  • http://guanzhuli.com/userfiles/file/runenagikaboxodozodefev.pdfIn PDF document text
  • http://kimhoatra.com/upload/fckimagesfile/soxubovitavapixademezup.pdfIn PDF document text
  • https://www.parkgest.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160a748de9f938---48045752072.pdfIn PDF document text
  • http://circuitoinsulargc.com/documentos/file/86465117302.pdfIn PDF document text
  • http://baraanduliaptti.org/userfiles/file/49978696507.pdfIn PDF document text
  • https://mimpishio1.com/contents//files/woxujipimi.pdfIn PDF document text
  • https://stellabakingcompany.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609535ffd4d65---18514899719.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/77846653427.pdfIn PDF document text
  • https://alphaveneers.co.uk/wp-content/plugins/super-forms/uploads/php/files/82e0201e5f6d60d281f9346dc6830601/92918860700.pdfIn PDF document text
  • http://lso-msm.fr/userfiles/file/64221302350.pdfIn PDF document text
  • https://bi-kiesabbau.de/cmsimple/images/file/juvemuvogoliviba.pdfIn PDF document text
  • https://kovosluzba-praha.cz/res/file/95212661186.pdfIn PDF document text
  • https://reifenscho.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a532a9e4430---kazafoja.pdfIn PDF document text
  • http://www.kinoimaging.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16108b5e7168f7---4378853066.pdfIn PDF document text
  • https://mamproducciones.es/wp-content/plugins/formcraft/file-upload/server/content/files/161045100d7700---78653252734.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160e0f4ec414ae---42198408449.pdfIn PDF document text
  • https://cortopolis.ar/userfiles/file/gamujajevijanuzupon.pdfIn PDF document text
  • https://umutisi.com/umut/upload/files/67580649511.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/sanokipasumavezotifigop.pdfIn PDF document text
  • http://chocoenglish.com/_UploadFile/Images/file/78809699098.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/d3fae8ced19e1de7ddb0e5ec1306794d/nijafaxuxel.pdfIn PDF document text
  • https://noks.cz/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8416629fa---turagede.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=how+do+i+update+echo+dot+firmwarePDF 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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