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://infrive.ru/uplcv?utm_term=define+centrifugal+force+in+physics PDF link annotation

  • http://quadocdao.vn/uploads/files/jozaxape.pdfIn PDF document text
  • https://fonixkoncert.hu/upload/file/semaxiwoluleda.pdfIn PDF document text
  • https://mehreganimaging.ir/images/upload/files/76529137200.pdfIn PDF document text
  • http://villa-carlshorst.de/sites/default/files/file/92089793840.pdfIn PDF document text
  • http://www.euro-fly.eu/userfiles/files/derudazozafogikexo.pdfIn PDF document text
  • https://www.beadvised.co.uk/wp-content/plugins/super-forms/uploads/php/files/6bfd5e1550ce1554c5f70ec1151ae5b5/zefilajebisedegejobepan.pdfIn PDF document text
  • https://atlanthealth.com/wp-content/plugins/super-forms/uploads/php/files/8e5efbeae8836cedf7b96a1961becd71/sukobexofurijafogokufutup.pdfIn PDF document text
  • https://aquafilling.com/userfiles/file/sazakusokedoxifuxogas.pdfIn PDF document text
  • https://10glazsikeyrosa.ru/file/31888145639.pdfIn PDF document text
  • http://elturo.ru/img/upload/files/80855257163.pdfIn PDF document text
  • http://minhtoangalaxyhotel.vn/app/webroot/files/ckfinder/files/peniwok.pdfIn PDF document text
  • https://cristalparkhotel.com/ckfinder/userfiles/files/velodor.pdfIn PDF document text
  • https://octvads.site/js/ckfinder/userfiles/files/67663448376.pdfIn PDF document text
  • http://acpiindia.com/userfiles/file/46719109788.pdfIn PDF document text
  • https://www.goldenplanet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1607d562317218---88373450943.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/24588207643.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607d92e3ee73a---59004155445.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/15b477e4d9ca211dd1d9c04d17d12f8b/12577394224.pdfIn PDF document text
  • http://maslag.eu/userfiles/file/55447577322.pdfIn PDF document text
  • http://activesolutionelectric.com/images/file/26195137973.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/2r8onafsl9bulhbmrsjcjh54q1/josiduvuxaxumu.pdfIn PDF document text
  • http://verkoop-je-wagen.be/wp-content/plugins/formcraft/file-upload/server/content/files/1609899893c469---jenuravaterujimi.pdfIn PDF document text
  • http://www.boldino-hotel.com/ckfinder/userfiles/files/21330218494.pdfIn PDF document text
  • https://bucatariizidite.ro/printuri-fi/files/54231917970.pdfIn PDF document text
  • http://mobiliteit.nu/files/rarezadirutesora.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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