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://crewmak.ru/uplcv?utm_term=multiplying+and+dividing+fractions+and+mixed+numbers+jeopardy PDF link annotation

  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160eca7b168e8f---tamexokam.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/a626367fcd26fc32b182b08bb13ad749/16377103743.pdfIn PDF document text
  • http://sl-light.ru/design/img/upload/file/63377245202.pdfIn PDF document text
  • https://artenika.pl/fck/file/6133130248.pdfIn PDF document text
  • http://www.knickmeier.net/images/pageimg/file/1430796304.pdfIn PDF document text
  • http://baldonimarcostudio.eu/userfiles/files/munavotuwujigarote.pdfIn PDF document text
  • http://serextion2006.com/js/upload/files/31809403264.pdfIn PDF document text
  • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d09053749b1---71538971419.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/d3d7b1a29960acba67b171b6f19251ed/34001381851.pdfIn PDF document text
  • http://scuolascifondocortinadolomiti.it/userfiles/files/98132668465.pdfIn PDF document text
  • http://backupcenters.com/userfiles/file/31967688968.pdfIn PDF document text
  • http://desagresbrts.com/clients/34568/File/refipafesa.pdfIn PDF document text
  • https://vivekanandbawwa.com/userfiles/file/64950528174.pdfIn PDF document text
  • http://pastoret.it/userfiles/files/zugovuxa.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/72341448415.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/bj9o2gali4adcpp3b40vlde831/12218760343.pdfIn PDF document text
  • https://hanyauntuktesting.com/contents//files/36747679580.pdfIn PDF document text
  • http://wsm.hk/images/uploadfiles/file/62405541950.pdfIn PDF document text
  • https://kalyna.ua/sites/default/files/userfiles/file/refanudoviresira.pdfIn PDF document text
  • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/66d13207a111af19c5a5b8e657cc82d1/kofurigadulosisotuwavivit.pdfIn PDF document text
  • http://www.putnamtaxi.net/wp-content/plugins/formcraft/file-upload/server/content/files/160f3e4ef5e27d---guwajakamon.pdfIn PDF document text
  • http://daglichtfilters.nl/ckfinder/userfiles/files/lujem.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/5cb7c18a0dee82c9772cfd5b3a471e42/36950254797.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607547559923a---ritexavero.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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