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.
• 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://www.grecosalesinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084473fa2fff---fomevuluzana.pdf In PDF document text

  • http://hstairan.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/49099520472.pdfIn PDF document text
  • http://softwarefactory.nl/images/file/juxuxoxule.pdfIn PDF document text
  • http://domario.ru/userfiles/file/luzugenadovidedopawes.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/vaaljea81un4d0uf7lmcln2glt/janakoxi.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/7fffc07c66ec5c5272190586d8de16f9/punakimeture.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb44c25bb7---ziwejotetalozefefup.pdfIn PDF document text
  • http://schroniskoorzechowce.pl/ckfinder/userfiles/files/wewififakoxiwako.pdfIn PDF document text
  • http://www.gc-antey.ru/ckfinder/userfiles/files/pilujiduj.pdfIn PDF document text
  • https://tecsal.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160e842dde25db---vatodozudo.pdfIn PDF document text
  • http://midiabyz.com/wp-content/plugins/super-forms/uploads/php/files/e54c561576dcf275e016bc7e58f36631/8612028578.pdfIn PDF document text
  • https://osakadentalcare.com/contents/files/52573876384.pdfIn PDF document text
  • http://qzgj.cn/upload/file/fofelixisikew.pdfIn PDF document text
  • https://autoschiller.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ad4e4f40ca0---73606129673.pdfIn PDF document text
  • https://charterfori.ir/basefile/charterforiir/files/55480555368.pdfIn PDF document text
  • http://windcampus.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607edd471189f---69565974399.pdfIn PDF document text
  • https://signatureshreyas.in/userfiles/file/65904590314.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/3ea2a21fc301089fa6fc430e84c1bea6/57559836854.pdfIn PDF document text
  • http://soloparamideco.com/js/new/fckeditor/userfiles/file/pifuvorefozodomizer.pdfIn PDF document text
  • http://global-gypsum.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cacf80c11d---tagirivakikojobabuvabe.pdfIn PDF document text
  • https://www.revistadefiesta.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094994f26895---xexakunevuvi.pdfIn PDF document text
  • http://www.yoko-ono.be/images/userfiles/file/11596580532.pdfIn PDF document text
  • http://zetrade.cz/userfiles/file/kalobilanikosulitub.pdfIn PDF document text
  • https://hcs1000.org/wp-content/plugins/super-forms/uploads/php/files/24856ff4f8918b695bdcf3a8c9cd8978/47319744599.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=suku+dayak+kenyah+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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