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://pixomot.ru/uplcv?utm_term=introduction+to+multivariate+statistical+analysis+pdf PDF link annotation

  • http://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe2a833f2b---29161125082.pdfIn PDF document text
  • http://spiregene.com/image/files/20210721_182559.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/dsvgtakg3u0nd90jujc54nqn90/pilefolotenekagesag.pdfIn PDF document text
  • https://aradovan.com/userfiles/file/pexogov.pdfIn PDF document text
  • http://silesiacapital.eu/data/file/21258331636.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/f125b7ff9674ad17f59ff0097ae17068/baxufedokilaxew.pdfIn PDF document text
  • https://www.mozartcantat.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1610ec8ad4e534---noripupuwararifuwu.pdfIn PDF document text
  • https://www.straightmyteeth.eu/wp-content/plugins/super-forms/uploads/php/files/cb06a466bfed5e0f93c2fa65e4474ed8/45101018977.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/14787661256.pdfIn PDF document text
  • http://1night2day.com/UserFiles/file/rifatudow.pdfIn PDF document text
  • https://www.limratechnologies.net/wp-content/plugins/formcraft/file-upload/server/content/files/1607a192047347---koxowerikusokerudi.pdfIn PDF document text
  • https://www.engltg.com/wp-content/plugins/super-forms/uploads/php/files/1f21507af6ae2811df0cfe588095f007/dunamujo.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/57569358470.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/7n7lsf67252g7j42k7t0mn94ve/jixafi.pdfIn PDF document text
  • http://plusbateria.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e6a852bde---zibelozu.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/e2268362352b7baed6378c3033331e62/fedurinew.pdfIn PDF document text
  • https://microfocus-realize2020mea.com/wp-content/plugins/super-forms/uploads/php/files/13adc65bcf2fd66faee59ff1bc253329/61750695272.pdfIn PDF document text
  • http://extracam.es/app/webroot/arxius/file/wirezofebukapasagasedog.pdfIn PDF document text
  • https://www.bountyvacation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c86933a9bc4---rebinomudusapa.pdfIn PDF document text
  • http://www.celso.org/download/53057647066.pdfIn PDF document text
  • http://www.taxivanclass.com/uploads/ckfinder/files/98735038559.pdfIn PDF document text
  • https://miamivanservice.net/wp-content/plugins/formcraft/file-upload/server/content/files/160a95118d64e0---11207008083.pdfIn PDF document text
  • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/f1d0af2d3d27af5dea409d4e1db456bc/kutoleneferuk.pdfIn PDF document text
  • http://iaestedresden.de/userfiles/file/29349924585.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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