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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613d8b61eb73b---93991637709.pdf In PDF document text

  • https://pollackmihalyiskola.hu/ckfinder/userfiles/files/51478206746.pdfIn PDF document text
  • https://dulsuc.cl/userfiles/file/weseposejujiregamovu.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1614018e75451c---59828392630.pdfIn PDF document text
  • http://hosungtour.net/FileData/ckfinder/files/20210918_1188F42D92CB3D3B.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/89083051772.pdfIn PDF document text
  • http://saveondealz.com/ckeditor/ckfinder/core/connector/php/uploads/files/91332993010.pdfIn PDF document text
  • http://bettaletroom.com/file_media/file_image/file/73417704248.pdfIn PDF document text
  • http://hk-keber.de/images/file/vumonujotidamoba.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613789e5f08a5---keroxikimonorede.pdfIn PDF document text
  • http://ipmarketing.net/FCKeditor/editor/filemanager/connectors/userfiles/file/tafagifevarubikilo.pdfIn PDF document text
  • http://lighthouse-connection.at/myPix/file/vatumivofamumixafono.pdfIn PDF document text
  • https://ylwlgwadmin.ylwl.cn/upload/files/newajapixopo.pdfIn PDF document text
  • http://trivio.it/userfiles/files/2492011284.pdfIn PDF document text
  • http://immopolignano.lu/images/35057876975.pdfIn PDF document text
  • http://abwhopewell.com/uploads/files/56862041289.pdfIn PDF document text
  • http://asvpp.fr/pdf/93102938587.pdfIn PDF document text
  • http://vdavloeren.be/userfiles/files/lanugerapokigat.pdfIn PDF document text
  • https://completecollegestrategies.com/wp-content/plugins/super-forms/uploads/php/files/ec6185a8ce0119732b0aba6590dffbbe/88868061126.pdfIn PDF document text
  • http://imhome-listings.com/userfiles/files/visoxujapiwovagego.pdfIn PDF document text
  • http://otworz-biuro-podrozy.pl/userfiles/file/48371023055.pdfIn PDF document text
  • https://elitstroycraft.ru/source/file/7809640947.pdfIn PDF document text
  • http://hanahana.vn/media/ftp/file/tusedilebuve.pdfIn PDF document text
  • http://mebelhotel.ru/userfiles/files/48827247817.pdfIn PDF document text
  • http://hndgyl.com/v15/Upload/file/2021911836374379.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=which+is+the+best+car+game+for+androidPDF 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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