Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://krisoc.ru/uplcv?utm_term=parallel+space+origin+country PDF link annotation

  • http://bridgestone-ice-cruiser-7000.ru/ckfinder/userfiles/files/68380878121.pdfIn PDF document text
  • https://llbyggodesign.se/UserFiles/files/donojezatip.pdfIn PDF document text
  • https://hmjrgoldhockey.org/wp-content/plugins/super-forms/uploads/php/files/66684294ac3a2688046428b51222e240/26156229040.pdfIn PDF document text
  • http://sjatupornservices.com/file_media/file_image/file/27090280809.pdfIn PDF document text
  • http://bcslaw.hu/admin/fck_upload/file/watirunid.pdfIn PDF document text
  • https://cleaner.pl/userfiles/file/53452725529.pdfIn PDF document text
  • http://nomorecpapmachine.com/userfiles/files/mepelevi.pdfIn PDF document text
  • https://www.wappa.com.au/siteadmin/ckfinder/userfiles/files/92477694945.pdfIn PDF document text
  • https://flammerouge.ch/userfiles/files/duwanoraxojuxuwobov.pdfIn PDF document text
  • https://paroles-vives.com/ckfinder/userfiles/files/jumikaxerufavokatebo.pdfIn PDF document text
  • https://best-turbos.com/wp-content/plugins/super-forms/uploads/php/files/a256786828b66c2c31076564d0d5e1f6/buwopowekulozapowezunan.pdfIn PDF document text
  • https://12waktu.com/contents/files/41692942127.pdfIn PDF document text
  • http://www.feniuniversity.edu.bd/app/webroot/ckfinder/userfiles/files/sabajagafazasiseduto.pdfIn PDF document text
  • https://leicht-spb.ru/wp-content/plugins/super-forms/uploads/php/files/6852506e13eeeaa3d011e1ae13bdaa4f/43081649429.pdfIn PDF document text
  • http://polins.org/public/userfiles/file/lidiledelid.pdfIn PDF document text
  • http://a-xian-coat.com/uploads/files/202109090500281154.pdfIn PDF document text
  • https://doluhosting.com/calisma2/files/uploads/59105938823.pdfIn PDF document text
  • https://baigiangtoanhoc.com/upload/files/22116431714.pdfIn PDF document text
  • https://storage-in-motion.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143604ca4b92---rizaxobugebetolilete.pdfIn PDF document text
  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161398419cca01---jelogakosuniral.pdfIn PDF document text
  • https://suemsas.com/wp-content/plugins/super-forms/uploads/php/files/rvv1k3u7rab7angg15po85thu4/rafet.pdfIn PDF document text
  • https://journeypeople.cc/wp-content/plugins/super-forms/uploads/php/files/56a0042c00bf875f99bc4b58d190d988/9271501759.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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