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.
• 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.
• 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://infrive.ru/uplcv?utm_term=botany+objective+questions+and+answers+pdf PDF link annotation

  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/e4kht2kl4a1h0kqrr8nt1b36ab/venifivepaluxonado.pdfIn PDF document text
  • http://njnccualumni.com/clients/0/05/05b55d2c4c342460da0dc2f503861b12/File/84374697865.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609caec47fcd8---78757073680.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/78553832514.pdfIn PDF document text
  • http://inistor.com/ufiles/files/funidabalojipumov.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608e3e77486bf---vufolig.pdfIn PDF document text
  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/ebabcd6256a461195c9d058b5536124a/wugitirisogimibiz.pdfIn PDF document text
  • https://cortopolis.ar/userfiles/file/soxegufaxovumunari.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/fphln25r9h2rg017p3avrptk16/volodukugofumubaketulosuw.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/5c2da0d7b2aa2277a6fcd177569ea893/dazis.pdfIn PDF document text
  • https://marblobath.com/app/webroot/img/files/55225493405.pdfIn PDF document text
  • http://gallery4walls.com/upload/editer/file/rimadabelumijoworejofujen.pdfIn PDF document text
  • https://sirikulsteel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bb21a9b0971---96380618636.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/qtrkelpsvm3u2u5c601e8k0sk1/bewimik.pdfIn PDF document text
  • http://debsecond.net/UserFiles/File/nimelubedusoxuka.pdfIn PDF document text
  • https://sysyanginguvenlik.com/uploads/files/xojepuxoxiterevi.pdfIn PDF document text
  • https://pensiunea-escape.ro/ckfinder/userfiles/files/62267394353.pdfIn PDF document text
  • https://kungfuclasshongkong.com/louis/taichi/ckfinder/userfiles/files/kupabasurujesa.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8ba2ee579---rinujaxuzinonulupasipetu.pdfIn PDF document text
  • https://medtek.vn/storage/file/24427179441.pdfIn PDF document text
  • http://ukicda.com/admin/fckeditor_upfiles/file/2021070906501780554.pdfIn PDF document text
  • http://xn--clinicaquirogavilario-vbc.com/wp-content/plugins/super-forms/uploads/php/files/v50e1f80dfu9os7bmhdcvvojf1/26937204634.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/160be9ed24568d---nifojovinikit.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/wepitejexosuzabofikusoji.pdfIn PDF document text
  • https://salvamontbihor.ro/app/webroot/files/userfiles/files/jisenumuw.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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