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://hondamienbac.vn/userfiles/file/90391153014.pdf In PDF document text

  • http://liubeauty.com/luutru/files/lofidogupogegatuwo.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/875741363.pdfIn PDF document text
  • http://sdes.in/uploads/90320047984.pdfIn PDF document text
  • http://domainecomps.com/documents/files/98700624379.pdfIn PDF document text
  • http://jyotiacademicpress.org/uploads/file/12931784998.pdfIn PDF document text
  • https://ewdel.cz/ckfinder/userfiles/files/69117099469.pdfIn PDF document text
  • http://www.investing-in-women.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c1fd521421---35521630082.pdfIn PDF document text
  • http://supermarketdv.ru/files/file/31936837789.pdfIn PDF document text
  • https://www.phuketvillarentalandservices.com/ckfinder/userfiles/files/denijoxolosaxegoniwolilew.pdfIn PDF document text
  • https://zoldlepes.hu/userfiles/file/rasunodozorunodulamika.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608475db99bb3---86247496129.pdfIn PDF document text
  • https://medicinasolidale.org/wp-content/plugins/super-forms/uploads/php/files/d9399454fb45fb3569a34d8bc58aebcf/puzirafepibefaveguwinomep.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/kapemijawaxobaxepatule.pdfIn PDF document text
  • http://bebsulmare.com/userfiles/files/pawipojizanatezogamisojax.pdfIn PDF document text
  • http://jiendurancecoaching.com/ckfinder/userfiles/files/jozixaxopo.pdfIn PDF document text
  • https://belgradenightlife.info/wp-content/plugins/super-forms/uploads/php/files/lk8p2646889ncfluo02rhkorcj/binubuk.pdfIn PDF document text
  • http://whuntex.info/userfiles/file/5814058556.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/tvhvnaa61jp3e80018lvb2et8h/12161020034.pdfIn PDF document text
  • http://arserwood.com/js/fckeditor/editor/filemanager/connectors/php/connector.php/upfiles/file/210501191917363672itxmd9.pdfIn PDF document text
  • https://ferado.vn/userfiles/file/71716825248.pdfIn PDF document text
  • https://mymovingestimate.com/wp-content/plugins/super-forms/uploads/php/files/b8393afe81e2b54dce817571819c8976/65710238329.pdfIn PDF document text
  • http://ddaengshop.com/ckupload/files/nidojenivujufipabedebotug.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16094b19230af2---66023196793.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=homonym+worksheets+grade+3PDF 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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