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://laborke.ru/uplcv?utm_term=nfc+card+emulation+mode PDF link annotation

  • http://fabriquetextil.com/js/new/fckeditor/userfiles/file/20860949935.pdfIn PDF document text
  • https://pushtypathshala.com/demo/aims/files/images/files/vamutukekatuni.pdfIn PDF document text
  • https://sketchup360.vn/wp-content/plugins/super-forms/uploads/php/files/pfe94hs95616ilce722lmmbl3o/mibejiboxesipebefeguxulof.pdfIn PDF document text
  • https://coastalstudio.com/images/main/file/38522432833.pdfIn PDF document text
  • http://marikitaberbagi.com/userfiles/file/37867057682.pdfIn PDF document text
  • https://commonwealthsportsawards.com/userfiles/file/69188249052.pdfIn PDF document text
  • http://esangsok.com/upfile/files/vepodifitagituwejunuki.pdfIn PDF document text
  • http://remaining-mc.de/userfiles/file/25748001989.pdfIn PDF document text
  • http://bjdfszwy.com/filespath/files/20210902122718.pdfIn PDF document text
  • https://777mto.info/contents/files/lenekiravupimowutaj.pdfIn PDF document text
  • http://naasschoolofmotoring.com/fckeditor/userfiles/file/maguroxuvapomamubaguxanas.pdfIn PDF document text
  • https://maconlux.ovh/userfiles/files/30920030302.pdfIn PDF document text
  • http://geometracosentino.com/userfiles/files/23334516028.pdfIn PDF document text
  • https://cutletsmeat.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134db2f5a2a9---togiruxibinavarujid.pdfIn PDF document text
  • http://nyett.hk/uploads/news/files/36949842500.pdfIn PDF document text
  • https://energiadirect.pl/application/resources/ckfinder/userfiles/files/diwefozuzogibo.pdfIn PDF document text
  • http://baanpowertrain.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139e67955506---ziwisuma.pdfIn PDF document text
  • https://igk-lilienthal.de/downloads/difewoxamagenowapivote.pdfIn PDF document text
  • https://grandplaza.bg/uploads/assets/file/tilebagufufobetulut.pdfIn PDF document text
  • https://eksiliotomotiv.com/upload/ckfinder/files/laborejan.pdfIn PDF document text
  • https://exlite.it/ckfinder/userfiles/files/74340862632.pdfIn PDF document text
  • https://ostrichtours.com/ckfinder/userfiles/files/76693343477.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/sr17lenikupces1hcek8nee8rn/fojaniwososupiwumutugexa.pdfIn PDF document text
  • https://duproject.com/uploadEditor/files/29012455666.pdfIn PDF document text
  • http://taketty.xyz/js/ckfinder/userfiles/files/kavubakuda.pdfIn PDF document text
  • http://www.mamafoundation.cz/ckfinder/userfiles/files/30445876628.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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