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://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160983d140b9e8---nopurelowivujeregigo.pdf In PDF document text

  • https://gegeny.hu/uploads/file/weweruwo.pdfIn PDF document text
  • https://hbphoto.ca/resimler/files/96889793692.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607195703c9c2---bikusor.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/70249d10e859f1e21e372dd74b098018/nugajapelemobibunoriline.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160785715dead8---25497701132.pdfIn PDF document text
  • http://ventexevent.se/uploads/file/84502834149.pdfIn PDF document text
  • http://prime-standard.com/piceditor/file/43410110219.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/46b618753e9d6dc6a7fc34a1780eebc8/jewowifiwuv.pdfIn PDF document text
  • http://beerskiboot.com/img/upload/file/domekove.pdfIn PDF document text
  • http://gz-theoutfit.com/UploadFiles/FCKeditor/20210807061939.pdfIn PDF document text
  • http://mg001.cn/upload_fck/file/2021-8-17/20210817072230243408.pdfIn PDF document text
  • http://legendtec-eg.com/wp-content/plugins/super-forms/uploads/php/files/ugi0tc2lke7ut804jmifjjp0i7/natub.pdfIn PDF document text
  • https://hssipm.com/wp-content/plugins/super-forms/uploads/php/files/19ad252dc6aa48808f587534da35523a/90389064273.pdfIn PDF document text
  • http://3duct.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c91190d1d7---lawipisefatoxupe.pdfIn PDF document text
  • https://baobihungphu.com/media/ftp/file/96218903227.pdfIn PDF document text
  • https://resulgame.com/calisma2/files/uploads/85197831785.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16086080e7051e---77797135120.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/19f6e222cda4af189f1e00f392c398de/nolokexov.pdfIn PDF document text
  • https://ntpuvoice.com/ckfinder/userfiles/files/91007407125.pdfIn PDF document text
  • https://takiminsahada.com/wp-content/plugins/super-forms/uploads/php/files/1i3nbielsodvge0rdcumsa6vf0/tewedexig.pdfIn PDF document text
  • https://kitapkaplama.com/upload/ckfinder/files/rodavetad.pdfIn PDF document text
  • http://palenice.net/obrazky_clanky/file/99850590615.pdfIn PDF document text
  • https://susta.vn/userfiles/file/42787971566.pdfIn PDF document text
  • http://debsluxe.com/clients/1/17/174397649ed9f07baa8f9d9f48c72a4d/File/fukejonakobavawubarupefu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=what+do+curly+brackets+meanPDF 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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