Malicious PDF — malware analysis report

Heuristics 6

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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 http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089d1f65b1cf---18687994567.pdf In PDF document text

  • https://flexrocksrollovers.com/wp-content/plugins/super-forms/uploads/php/files/v97c0bjqk6gno78hv91jo5724g/78936188404.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f480de502a5---mumubepejow.pdfIn PDF document text
  • http://yameitecl.com/ckfinder/userfiles/files/20210710_030537.pdfIn PDF document text
  • https://gaseg.com/wp-content/plugins/super-forms/uploads/php/files/3u5k2jv7in5la46bc1v8mc7sk4/92886516584.pdfIn PDF document text
  • http://cimkezes.hu/uploads/ckfinder/userfiles/files/gosawejoziraki.pdfIn PDF document text
  • http://vankouwenenmastop.nl/UserFiles/file/zewowebalamoputufi.pdfIn PDF document text
  • http://hnc2.com/userfiles/file/juzupizixaligevo.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/6d6cf2071ec7736336dbda6e25925793/122898164.pdfIn PDF document text
  • http://daiichilogistics.com/uploads/news_file/50414332975.pdfIn PDF document text
  • https://vestol.bg/files/file/xagabomizibivatawa.pdfIn PDF document text
  • http://bvmnotarissen.nl/app/webroot/files/ckeditor_files/files/47235821202.pdfIn PDF document text
  • https://pabausa.org/wp-content/plugins/formcraft/file-upload/server/content/files/1611084e1d1f83---bojixibolugaga.pdfIn PDF document text
  • http://cyuanmei.com/userfiles/file/81305734792.pdfIn PDF document text
  • https://dolmalatrek.com/userfiles/file/68369234523.pdfIn PDF document text
  • http://ceskylakros.cz/userfiles/file/ninedezitenoguwudop.pdfIn PDF document text
  • http://banghetretruc.com/media/ftp/file/74368545120.pdfIn PDF document text
  • https://www.temsilcisitesi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c3668b0573---tasiribobodusumuxideg.pdfIn PDF document text
  • https://retta-bg.com/userfiles/gekipoberalexupo.pdfIn PDF document text
  • http://costruzionibulagna.it/userfiles/files/98564003071.pdfIn PDF document text
  • http://tubietelbar.hu/uploadfile/5408176016.pdfIn PDF document text
  • http://diplomat2014.ru/ckfinder/userfiles/files/561103059.pdfIn PDF document text
  • http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/jusazelinekukik.pdfIn PDF document text
  • https://homini.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1609c42726aff6---38552353186.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=good+names+for+a+monstrous+nightmarePDF 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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