Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=what+does+hypointense+marrow+signal+mean PDF link annotation

  • http://vamaconsulting.sk/userfiles/file/bogufadixi.pdfIn PDF document text
  • http://tcgardening.com/userfiles/file/2021090309211073499.pdfIn PDF document text
  • http://creativeindustries.ru/uploads/userfiles/file/77556348511.pdfIn PDF document text
  • http://stnicholasway.com/userfiles/file/62274101634.pdfIn PDF document text
  • https://serrechevalier-skifun.com/imagesfile/lunobosobovazakonujavuja.pdfIn PDF document text
  • https://hoangmailogistics.com/asset/site/files/vulumodexegevekoxifu.pdfIn PDF document text
  • http://artgraf24.pl/userfiles/file/sokotatimu.pdfIn PDF document text
  • http://metalltechnik-kutschi.at/37647260110.pdfIn PDF document text
  • http://hrdiborice.cz/erucom1/files/files/sozobakagelibawopun.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/7kjafae4ab095p4psllb48hdof/viloneba.pdfIn PDF document text
  • http://15449010.com/FileData/ckfinder/files/20210917_6977E1500D594DF3.pdfIn PDF document text
  • https://web-sila.ru/wp-content/plugins/super-forms/uploads/php/files/b3d8f7189c483869f04f53baf6b398f2/fumoruvovotafisulaperuv.pdfIn PDF document text
  • http://theofficefurniturestore.com/ckfinder/userfiles/files/17970604784.pdfIn PDF document text
  • http://neodentpetrosino.it/userfiles/files/wuromabubisokeg.pdfIn PDF document text
  • http://kinel-hunter.ru/upfiles/file/nipozovimodipijake.pdfIn PDF document text
  • http://home-plast.ru/foto/files/kigulolifupememenoke.pdfIn PDF document text
  • https://bawaniint.com/ckfinder/userfiles/files/kofotudedituresigalopa.pdfIn PDF document text
  • https://heritran.vn/uploads/news_file/famesorudakumobiromil.pdfIn PDF document text
  • http://udelimpa.es/ckfinder/userfiles/files/82885219006.pdfIn PDF document text
  • https://denimder.org/resimler/files/sovowipuwetajo.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16144f6081da70---gapuxibasujebozalug.pdfIn PDF document text
  • http://avvolodin.ru/upload/file/98569529004.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 extracted file (font_00_sfnt_off00011826.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00011826.bin)

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