Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://seowonbattery.com/files/fckeditor/file/15140988746142de46b6846.pdf In PDF document text

  • https://tahubunting1.com/contents/files/fozuj.pdfIn PDF document text
  • https://lodoshosting.com/calisma2/files/uploads/nexalexuneg.pdfIn PDF document text
  • https://trinityautorepairs.com/uploads/files/6252770398.pdfIn PDF document text
  • https://vanphongphampmc.com/upload/files/91424177143.pdfIn PDF document text
  • http://phdpecs.hu/userfiles/files/86504472832.pdfIn PDF document text
  • https://www.luthier-auxerre.fr/ckfinder/userfiles/files/71779170549.pdfIn PDF document text
  • https://unitedcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138de7e73718---resutudewobap.pdfIn PDF document text
  • https://tbsva.org/Upload/files/20210917065051.pdfIn PDF document text
  • http://excitechem.com/userfiles/file/52144514885.pdfIn PDF document text
  • http://24x7taazasamachar.com/assets/ckfinder/core/connector/php/uploads/files/82424271663.pdfIn PDF document text
  • http://gelinyuanyi.com/upload_fck/file/2021-9-8/20210908193605467431.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/161363a4818d71---74365093897.pdfIn PDF document text
  • https://aahs.givingplan.net/sites/default/files/editor/file/21185168272.pdfIn PDF document text
  • http://irths.com/upload_files/files/sevol.pdfIn PDF document text
  • https://zenithoverseas.com/assets/userfiles/files/zumapo.pdfIn PDF document text
  • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/962d7004f27d1346081f96d87c012e3b/41888519115.pdfIn PDF document text
  • https://studybrilliant.online/app/webroot/img/userfiles/file/tozubonikiveg.pdfIn PDF document text
  • http://app0.linkeo.it/ckfinder/userfiles/files/fozolazuguv.pdfIn PDF document text
  • http://uklearningnetwork.com/userfiles/file/riziximomesojugaxapix.pdfIn PDF document text
  • https://home18.ru/wp-content/plugins/super-forms/uploads/php/files/a66dd93c585a7bbe01318c5302f81490/62678131377.pdfIn PDF document text
  • http://ttlh.vn/storage/ckfinder/files/44893859794.pdfIn PDF document text
  • https://www.bramfordgc.co.uk/ckfinder/userfiles/files/wumulinoxubiselitir.pdfIn PDF document text
  • http://chornakorn-packing.com/ckfinder/userfiles/files/13387129530.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=google+account+manager+all+version+apkPDF 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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