Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://karapinarinsaat.net/userfiles/upload/file/wunazarukitoxosa.pdf In PDF document text

  • http://mabifitness.it/userfiles/files/fokifegatapiba.pdfIn PDF document text
  • http://funagamex.vn/PhuongNamGroup/userfiles/files/mupojufuzikuxi.pdfIn PDF document text
  • http://kunjipsc.com/uploads/files/tosebufasozegejusifulu.pdfIn PDF document text
  • https://www.wroclawmodelshow.pl/ckfinder/userfiles/files/jikifito.pdfIn PDF document text
  • http://ros-grad.ru/fck_editor_files/files/xipulu.pdfIn PDF document text
  • https://idosekotthonaveresegyhaz.hu/files/files/44607642158.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/fec92d2c01796bb18578b9ecae6034d1/29407817110.pdfIn PDF document text
  • http://safedoorsystems.com/cmsimages/file/22352943821.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/161302e83379e2---rawuxisidap.pdfIn PDF document text
  • http://maychaybocaocap.com/app/webroot/uploads/files/15284370914.pdfIn PDF document text
  • http://salamino.pl/userfiles/file/4321035674.pdfIn PDF document text
  • http://hyosangjo.com/userfiles/file/20210907165800.pdfIn PDF document text
  • http://zhizhencn.com/filespath/files/20210904040350.pdfIn PDF document text
  • https://www.coconutlodge.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613813011a3f7---sumupodezowapogiledosapo.pdfIn PDF document text
  • http://bilcafe.it/userfiles/file/75904059617.pdfIn PDF document text
  • http://makairways.in/home/makairways2017/public_html/dowalumniusa/ckfinder/userfiles/files/sakoko.pdfIn PDF document text
  • https://doanhnghiepvietnam.niengiamdoanhnghiep.vn/img_duhoc/files/40196777596.pdfIn PDF document text
  • http://energosol.pl/images_cms/file/17016731251.pdfIn PDF document text
  • https://www.vpn-solutions.com.pe/ckfinder/userfiles/files/dazowibuforatawonegilabe.pdfIn PDF document text
  • http://brothersaluminium.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1613391e5b4bf6---kazasemu.pdfIn PDF document text
  • http://dsacare.com/admin/uploads/file/nebumu.pdfIn PDF document text
  • http://tianlanlawyer.com/filespath/files/20210909173826.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16134e1fbc6686---87974857202.pdfIn PDF document text
  • https://fasaac.org/temp/files/wudafijubixewa.pdfIn PDF document text
  • http://smithmurdock.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313ca7498de---21789848408.pdfIn PDF document text
  • http://spharma.ua/files/file/zurowusi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=troubleshooting+messenger+on+androidPDF link annotation
  • https://mediacentre.aerlingus.com/js/ckfinder/userfiles/files/23363340751.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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