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 http://whdhgs.com/uploads/file/20210903032500106.pdf In PDF document text

  • https://manpowernepal.net/ckfinder/userfiles/files/xuxibode.pdfIn PDF document text
  • http://tms-technology.com/ckfinder/userfiles/files/76972679328.pdfIn PDF document text
  • https://shining4u.com/wp-content/plugins/super-forms/uploads/php/files/d8739458c7d642e6ab5742e27e368d93/96702017928.pdfIn PDF document text
  • https://doanhnghiepvietnam.org/img_duhoc/files/rudufotanomisisidotenona.pdfIn PDF document text
  • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a6b126d07c---bemapeseninid.pdfIn PDF document text
  • http://vakantie-noordlimburg.nl/ckfinder/userfiles/files/fufegabakeg.pdfIn PDF document text
  • https://xyoaa.org/sites/default/files/files/26768829634.pdfIn PDF document text
  • https://shieldtech.cz/ckfinder/userfiles/files/21925120902.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/c930793415f347ef48eec3ab49bf270a/33831938711.pdfIn PDF document text
  • https://sfasg.jp/js/ckfinder/userfiles/files/salumaduxareduregu.pdfIn PDF document text
  • http://dgelc.com/userfiles/file/20210903030604.pdfIn PDF document text
  • http://synagoge-stommeln.de/ckfinder/userfiles/files/pamujomapimowo.pdfIn PDF document text
  • http://triumphtoday.org/wp-content/plugins/formcraft/file-upload/server/content/files/161408bff7c62f---xezevazipafezetatoveboti.pdfIn PDF document text
  • http://prttour.ca/FileData/ckfinder/files/20210903_C54FD3F32832C35F.pdfIn PDF document text
  • http://lookupagency.es/wp-content/plugins/formcraft/file-upload/server/content/files/16132a0c717f16---47354480882.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/22e8717088b4ea5a293a5eabe50e2cb6/57711304889.pdfIn PDF document text
  • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/nilamejifo.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613c6d3b36cc1---31578694336.pdfIn PDF document text
  • http://vpecargo.com/userfiles/file/23056187576.pdfIn PDF document text
  • http://www.communityheroesproject.org/wp-content/plugins/formcraft/file-upload/server/content/files/16142d3a83c9bd---39362072399.pdfIn PDF document text
  • http://www.clc-engineering.com/siteuploads/editorimg/file/67887438442.pdfIn PDF document text
  • http://erbamedica.org/userfiles/files/9116951273.pdfIn PDF document text
  • https://xn--bankkrtya-41a.hu/js/ckfinder/userfiles/files/85604890826.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=iphone+6+plus+second+hand+price+in+pakistanPDF 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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