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://smidgel.ru/uplcv?utm_term=boom+beach+hack+unlimited+diamonds PDF link annotation

  • http://asbu.net/uploads/FCK_files/file/89300809685.pdfIn PDF document text
  • http://sensor4you.com/fckeditor/editor/filemanager/connectors/php/fckeditor/upload/202109/file/58494191735.pdfIn PDF document text
  • http://niktid.ru/userfiles/file/funoriluvinuxuvujig.pdfIn PDF document text
  • https://turkeyinsurance.info/images/file/kokegogokasarip.pdfIn PDF document text
  • http://air-separation-supplier.com/d/files/jumavuzubesurolaruza.pdfIn PDF document text
  • http://mothertheresapublicschool.com/userfiles/file/mibigikerejareburumugefa.pdfIn PDF document text
  • http://kyochonbuenapark.iorderfoods.com/uploads/files/rumixal.pdfIn PDF document text
  • http://ttc-investco.com/img/files/rinojasaga.pdfIn PDF document text
  • https://saikekanglun.com/filespath/files/20210924193221.pdfIn PDF document text
  • http://andreuma.madteam.net/ckfinder/userfiles/files/gejibimubojirikub.pdfIn PDF document text
  • https://akanaymatbaa.com/calisma2/files/uploads/61709371245.pdfIn PDF document text
  • http://techmechengineers.com/uploads/56768859653.pdfIn PDF document text
  • http://gangwonbnb.com/FileData/ckfinder/files/20210903_C6934E107583C1E6.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/3da94d8565ca6dcf8943b318128281b9/37833742744.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/161396f4600cf2---99149145397.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/fonatuxokobebavumit.pdfIn PDF document text
  • http://studioambienteterritorio.it/userfiles/files/negegu.pdfIn PDF document text
  • https://wecareu.net/ckfinder/userfiles/files/60150474802.pdfIn PDF document text
  • https://infoenergie-loire.org/userfiles/file/45383095996.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/934dd8f39cf4165ed243994090fdf809/82909828990.pdfIn PDF document text
  • http://kukubara.com/zdjecia/file/zeziretalo.pdfIn PDF document text
  • http://mingmitrcoffee.com/user_img/files/77644642157.pdfIn PDF document text
  • https://studiogreenwich.ru/wp-content/plugins/super-forms/uploads/php/files/de7e28354846165d6c6cc89ddc0b920d/selufuj.pdfIn PDF document text
  • http://upoart.com/ckfinder/userfiles/files/zofedenowakixabaxeg.pdfIn PDF document text
  • http://applecentervn.com/uploads/image/files/xabofek.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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