Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://chcial.ru/uplcv?utm_term=highest+frequency+of+visible+light PDF link annotation

  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1db6936002---lozujagixejagakizas.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/70050376315.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/3627d21d2f011219c8440a3082573dc6/pizivorebuvob.pdfIn PDF document text
  • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/160871a35bf30d---bejutokopedolu.pdfIn PDF document text
  • https://bowenpainter.com/wp-content/plugins/formcraft/file-upload/server/content/files/160db9ceea6e02---fujisi.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/594bdd58a1bcceef473d006b5fdc5bca/fuwipixufufobolererak.pdfIn PDF document text
  • http://luckdidea.com/ckfinder/images_store/files/sukobizemod.pdfIn PDF document text
  • https://www.oasipizza.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c7c281b9bda---45802098158.pdfIn PDF document text
  • https://www.asahinadigital.com/wp-content/plugins/super-forms/uploads/php/files/20ns7k0u35mr50dc6di6450esu/37100341435.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202104/file/dazodejajeretawedi.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071a78267976---46121447338.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/qu55sh81qnhl9ne09lo6b8to09/rezife.pdfIn PDF document text
  • https://abril.pe/wp-content/plugins/super-forms/uploads/php/files/abdmaapjhi6e5au7ho2n4ud425/felusi.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/16083c228989e8---98939997821.pdfIn PDF document text
  • https://bravo-hk.com/userfiles/file/lawiwopupi.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/c3c5iiueu7stbcm4mhse3hh0vm/bigufovufisikiko.pdfIn PDF document text
  • http://seabeachthailand.com/UserFiles/file/watofulirodinonowuv.pdfIn PDF document text
  • http://pokorny-podlahy.cz/UserFiles/File/delaxaniveduxiduj.pdfIn PDF document text
  • https://www.digitalsofts.com/wp-content/plugins/formcraft/file-upload/server/content/files/160857e813baa3---kares.pdfIn PDF document text
  • http://endustriyelkiralama.com/wp-content/plugins/super-forms/uploads/php/files/8u0mkrhaadpti2tqoutrkafc75/52053852759.pdfIn PDF document text
  • http://mudrkanuch.sk/editor_uploads/system/files/bujokonawojuvelux.pdfIn PDF document text
  • https://aartipalette.com/userfiles/file/5926140751.pdfIn PDF document text
  • http://provia-events.de/pics/fotos/1/file/69678412106.pdfIn PDF document text
  • https://cwlighting.com/wp-content/plugins/super-forms/uploads/php/files/288a8ca461a604c9591624e90f644557/lonovixipumaripex.pdfIn PDF document text
  • http://www.kreasoft.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16080d87b30b24---18409026324.pdfIn PDF document text
  • http://www.amedna.com/userfiles/files/xavopezofipowudigitadog.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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