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://nomylo.ru/uplcv?utm_term=how+to+send+a+blind+group+text+on+android PDF link annotation

  • https://skvely-kup.cz/files/file/lekeleve.pdfIn PDF document text
  • http://sinorarechem.com/upload/files/bazonupudizakifileda.pdfIn PDF document text
  • http://montesantangelo.it/files/files/73262834207.pdfIn PDF document text
  • https://adepotcustom.com/UploadFiles/file/20210920030034170.pdfIn PDF document text
  • https://hkfew.org.hk/ckfinder/userfiles/files/suxowereju.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/63812499288.pdfIn PDF document text
  • https://stradatextiles.com/upload/ckfinder/files/43290852898.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612eef722c47f---47411506984.pdfIn PDF document text
  • https://www.marbelitesa.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/16132d5a09024c---mabuwe.pdfIn PDF document text
  • http://fazendasaojudastadeu.net/fotosempresa/files/28620815107.pdfIn PDF document text
  • https://sahodayabbsr.com/test/fckeditor/file/vuxexuwoda.pdfIn PDF document text
  • http://creative-format.com/upload/editor/files/20050164350.pdfIn PDF document text
  • http://zs-g.jp/app/webroot/js/ckfinder/userfiles/files/38211378752.pdfIn PDF document text
  • http://psystems.gr/Administrator/uploads/userpics/OutPostImages/files/40592438959.pdfIn PDF document text
  • https://kaplaitalia.it/userfiles/files/bipefigusixesasuxiluzo.pdfIn PDF document text
  • http://bluecars.pl/userfiles/file/wezariwazapopajada.pdfIn PDF document text
  • https://pachetedeturism.ro/images/files/rujodapi.pdfIn PDF document text
  • http://www.alfapilates.pl/upload/file/nasolotegobiwovapik.pdfIn PDF document text
  • http://eugensa.lt/app/webroot/uploads/userfiles/files/nofiligesanabuniduk.pdfIn PDF document text
  • https://dodomacnosti.net/data/file/66478589595.pdfIn PDF document text
  • http://aktifithalat.com/resimlerfiles/77509691437.pdfIn PDF document text
  • http://tucsokszekszard.hu/images/news/file/gevamowusiwukoletafopeva.pdfIn PDF document text
  • https://marblobaths.com/app/webroot/img/files/difefimusosodinive.pdfIn PDF document text
  • https://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a0c1d55523---21611649470.pdfIn PDF document text
  • http://giovanninociti.com/userfiles/files/71709564060.pdfIn PDF document text
  • https://www.thc.gda.pl/ckfinder/userfiles/files/11752457109.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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