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://queure.ru/uplcv?utm_term=group+message+between+iphone+and+android PDF link annotation

  • http://itfkarnataka.com/cvsprojects/SSK/Source/2.0.0/images/files/32684266574.pdfIn PDF document text
  • http://maduraicaterers.com/app/webroot/js/ckfinder/userfiles/files/menilobesag.pdfIn PDF document text
  • http://sitoad.com/bbqjoekey/files/202109070559108307.pdfIn PDF document text
  • http://artsar.pl/userfiles/file/dodorovalopi.pdfIn PDF document text
  • http://hoadondientu-ptp.vn/images/ckeditor/files/39701392885.pdfIn PDF document text
  • http://aasghsflqsae.handylover.com/upload/files/1360013829.pdfIn PDF document text
  • https://www.la-providence-ehpad.fr/ckfinder/userfiles/files/lomepuruvura.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b133e5ac7c---lijepakelawaz.pdfIn PDF document text
  • https://daiichitravel.com/uploads/news_file/xikirivuwesekireruvip.pdfIn PDF document text
  • https://typeone.com.my/ckfinder/userfiles/files/20102384497.pdfIn PDF document text
  • http://visualpaint.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ac70a75154---vagoxudomanazemomab.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134873da3640---78650430450.pdfIn PDF document text
  • http://ilovehikari.com/uploads/files/mapoda.pdfIn PDF document text
  • http://jshtextile.com/UserFiles/file///nuvobibaturamivudubivi.pdfIn PDF document text
  • http://855solution.com/htdocs/cljr/data/files/41131457757.pdfIn PDF document text
  • http://farmaciacogliate.it/userfiles/files/2960052744.pdfIn PDF document text
  • http://sigmabhp.pl/userfiles/file/42142899423.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/vukupabogux.pdfIn PDF document text
  • http://modellszerviz.hu/userfiles/file/benebowuguxub.pdfIn PDF document text
  • http://splhardware.com/UploadFile/file/2021090304302873499.pdfIn PDF document text
  • http://elistaprezentow.pl/userfiles/file/topuzaxonixojadev.pdfIn PDF document text
  • http://kindergartenhelden.at/upload/file/7258875835.pdfIn PDF document text
  • http://dnt-mayak.ru/content/File/49194800218.pdfIn PDF document text
  • https://magiccat.pro/ckfinder/userfiles/files/11430343680.pdfIn PDF document text
  • http://quetthe.com/upload/files/tedokejarifevasaf.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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