Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://dermo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141c65fa6240---29566102055.pdf In PDF document text

  • https://sandp-engineering.com/ckfinder/userfiles/files/32514923015.pdfIn PDF document text
  • https://www.greenlakecruises.com/ckfinder/userfiles/files/rejunovubowovor.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613399003834f---87227996325.pdfIn PDF document text
  • http://dostrojar.sk/UserFiles/file/dimupiki.pdfIn PDF document text
  • https://swotin.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614a329f79d2e---wopefoto.pdfIn PDF document text
  • https://indirimlipin.com/calisma2/files/uploads/79846020840.pdfIn PDF document text
  • http://www.sunarsurdurulebilir.com/wp-content/plugins/super-forms/uploads/php/files/84f9k51bpfe6khhq6c1mqthlr6/72286004284.pdfIn PDF document text
  • https://pielinks.com/UserFiles/file/37870320370.pdfIn PDF document text
  • http://yeditepegumruk.com/userfiles/14600603174.pdfIn PDF document text
  • https://lentes123.com/aym_image/files/ruxofonikiwa.pdfIn PDF document text
  • https://whitelightdesign.com/wp-content/plugins/super-forms/uploads/php/files/28431e06c38b3b033b72eb005a92f1ac/joferabavilotedo.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/56847918950.pdfIn PDF document text
  • http://tischtennis-kiel.de/images/file/jiponaragor.pdfIn PDF document text
  • http://2013.letnifestiwal.pl/ckfinder/userfiles/files/jupejomosuziwuvajewufax.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613b620b838dc---2542743338.pdfIn PDF document text
  • http://champagne-ardenne.annuaire-regional.com/ckfinder/userfiles/files/werupasirodewofo.pdfIn PDF document text
  • http://hbtsap.com/Upfiles/news/file///levepubuzadif.pdfIn PDF document text
  • https://aslimitada.com/userfiles/file/supix.pdfIn PDF document text
  • http://uslugi-ogrodnicze.pl/pliki/File/69735316871.pdfIn PDF document text
  • http://zhuxintrading.com/uploads/ckfinder/files/20210908/16310761375724.pdfIn PDF document text
  • http://avvocato-callegaro.it/public/file/29351295308.pdfIn PDF document text
  • http://kazenergy.kz/wp-content/plugins/formcraft/file-upload/server/content/files/1614fb55aebec4---14767656311.pdfIn PDF document text
  • http://duocmyphamcongty.com/app/webroot/uploads/files/37807391845.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=add+app+icon+to+home+screen+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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