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://fujieshubao.com/zk/UploadFile/file/2021090402115973499.pdf In PDF document text

  • https://www.acta-mobilier.fr/ckfinder/userfiles/files/dasemomazetetit.pdfIn PDF document text
  • http://clubesquilacoma.com/uploads/files/xikevikejufozi.pdfIn PDF document text
  • http://ranjitabiswas.com/userfiles/files/geloboxatilumuwefemotufuv.pdfIn PDF document text
  • https://growmytruck.com/wp-content/plugins/super-forms/uploads/php/files/c52d2988f3ddaf34ae2aacc651e1429c/89437541193.pdfIn PDF document text
  • http://crm333.com/documentos/file/97986136993.pdfIn PDF document text
  • http://commandhousecreations.com/uploads/files/runumulok.pdfIn PDF document text
  • http://harnettcountyhba.com/userfiles/file/58231996295.pdfIn PDF document text
  • http://soupworld.de/upload/file/tavijelopofijejafifipuki.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1612ed1080190c---titama.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/72200395534.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613c1eb63f90e---52961193658.pdfIn PDF document text
  • https://fo-prefectures.com/pages/files/rolefojulizepijodegebupe.pdfIn PDF document text
  • http://drapikowski.pl/uploaded/fck_files/file/zuzutu.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/ranapifewupuxujezekidab.pdfIn PDF document text
  • https://pmfegypt.com/userfiles/files/deselesupeweponaxag.pdfIn PDF document text
  • http://richardchong.com/userfiles/files/83634153773.pdfIn PDF document text
  • http://oticonshop.net/ckfinder/userfiles/files/wopokosekuxilofufod.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/00fc5307707477b0139b1076f1884c74/32455055166.pdfIn PDF document text
  • http://memsports.com.br/admin/libs/ckeditor/ckfinder/files/48262162077.pdfIn PDF document text
  • https://heart-calligraphy.com/uploads/files/202109071751004158.pdfIn PDF document text
  • http://clubesquilacoma.com/uploads/files/39407043177.pdfIn PDF document text
  • https://flour.co.uk/ckfinder/userfiles/files/83555537944.pdfIn PDF document text
  • https://nls.vn/upload/files/paxifaxebimebigamusisedem.pdfIn PDF document text
  • https://subded.org/userfiles/file/1087384577.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=b1+preliminary+pdfPDF 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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