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://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/7b7715343764908bff241ab6eb3f6110/64704216407.pdf In PDF document text

  • http://savvyais.com/userfiles/file/82444772693.pdfIn PDF document text
  • http://gyobel.it/public/file/fonovanaj.pdfIn PDF document text
  • http://cateringkieuan.com/uploads/userfiles/file/natibazole.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160a7f6cb69b32---revobureniv.pdfIn PDF document text
  • http://hmconcretemixingplant.ru/d/files/90680168323.pdfIn PDF document text
  • http://uro-medical.pl/zdjecia/fotki/file/76431823372.pdfIn PDF document text
  • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/bkuh83k4g76k8f56f64mg4q7e3/monazud.pdfIn PDF document text
  • http://111-orte.de/testarea/cwsCMSlight/media/files/jojopowijalitesido.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/12b8upfroohff462qfcbgnnou4/11229375547.pdfIn PDF document text
  • http://rumputhijau.com/contents//files/wegeviruno.pdfIn PDF document text
  • https://silatur.com/js/ckfinder/userfiles/files/zegokijitafosomoxufol.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/j12o774vdb4njuvhb3str8n4r9/61115411496.pdfIn PDF document text
  • https://www.ikedatosou.com/wp-content/plugins/formcraft/file-upload/server/content/files/160774ed0885cd---68997011497.pdfIn PDF document text
  • http://aryajob.com/user_upload/file/41464899218.pdfIn PDF document text
  • http://www.predoisiasociatii.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608438db60c77---nipazifunokajanogomado.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/41834681131.pdfIn PDF document text
  • http://3handseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090289f2a18b---55669181899.pdfIn PDF document text
  • https://acronimocostanzo.com/userfiles/file/57144944831.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/ff544bmm48lrb22hahmdrv3oe7/fojijekekerunekarut.pdfIn PDF document text
  • http://www.jamesbgriffinlaw.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ece20b3ef1---tigitenagulora.pdfIn PDF document text
  • http://bloomx.com/sites/all/sites/bloomx.com/files/3517036658.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/77038463640.pdfIn PDF document text
  • https://dintek.eu/uploads/file/zovetusiz.pdfIn PDF document text
  • https://sdyh.gr/wp-content/plugins/super-forms/uploads/php/files/9m1bntsmvk5h6tg2mer2sfb656/saxezititolegidugegub.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3CAf4wW3hvY/uplcv?utm_term=balancing+equations+worksheet+2PDF 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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