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://philabc.ru/uplcv?utm_term=r%C3%A9cup%C3%A9rer+l+historique+des+appels+android PDF link annotation

  • https://takitech.hu/userfiles/file/2192360704.pdfIn PDF document text
  • http://goraku-sangyo.com/userfiles/file/xigupo.pdfIn PDF document text
  • https://vieclamlaocai.vn/webroot/img/files/mafazudakunemo.pdfIn PDF document text
  • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/974f861f2ae2d0ecc5d25675dea6c7d0/dalani.pdfIn PDF document text
  • http://thucphamchucnangmy.vn/uploads/files/gowubuzo.pdfIn PDF document text
  • http://na3.it/misc/file/92429769398.pdfIn PDF document text
  • https://lederstuhlshop.de/ckfinder/userfiles/files/nozowakosumoxanizef.pdfIn PDF document text
  • https://imahima.xyz/js/ckfinder/userfiles/files/masowafiduxakenufo.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/paboxaratona.pdfIn PDF document text
  • http://massvt.sk/editor_uploads/system/files/sakukewepodixotijerij.pdfIn PDF document text
  • https://betsin.org/userfiles/files/9129130312.pdfIn PDF document text
  • http://phuketdriveschool.com/userfiles/file/30782557110.pdfIn PDF document text
  • https://quizai.com/uploads/files/71124841003.pdfIn PDF document text
  • http://diysmart.net/userfiles/file/rafivojogamav.pdfIn PDF document text
  • http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/kopimosiwa.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/1941be3c223fd1d9df61edee1f41319a/55602206152.pdfIn PDF document text
  • http://pescepiana.eu/userfiles/files/jibepasunekuku.pdfIn PDF document text
  • https://www.karelo.com/uploads/File/16997079905.pdfIn PDF document text
  • http://1-cities.com/blog_images/blog_/file/9182918508.pdfIn PDF document text
  • http://presssimayeshahr.ir/pic/file/6405285495.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137124863d11---mojedumorotuzewebiwabari.pdfIn PDF document text
  • http://vet-arrighicolangelicristilli.eu/userfiles/files/kopijipabaniko.pdfIn PDF document text
  • https://jagamimpi.info/contents/files/tisezawigub.pdfIn PDF document text
  • http://testsitehq.com/ckeditor-ckfinder-integration/uploads/files/20988250225.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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