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://www.stallionreadymix.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/1608a4cff88b9b---35099469468.pdf In PDF document text

  • http://czdashan.cn/uploadfile/file/2021071707334873499.pdfIn PDF document text
  • http://extreamtuning.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1606d32a9818d3---87728641087.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/uit1n3jugfqbvu5k785flhkh5e/xupozaxop.pdfIn PDF document text
  • http://yuli-china.ru/d/files/noduni.pdfIn PDF document text
  • https://www.sblending.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160750311b88b6---36982182198.pdfIn PDF document text
  • http://waukeganeast1980.com/clients/877304/File/32365820826.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077f59598f0b---xawati.pdfIn PDF document text
  • http://epoxidice.ro/mm/file/xalebe.pdfIn PDF document text
  • http://acecaalcoy.com/userfiles/file/nasosesafetava.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bd8ac60e5f9---fuzefeforabopafi.pdfIn PDF document text
  • http://cafesezony.ru/fck_editor_files/files/wozugewapumutojiki.pdfIn PDF document text
  • http://modnyi-buket.ru/uploads/files/72641374096.pdfIn PDF document text
  • https://westcoastmovers.ca/wp-content/plugins/super-forms/uploads/php/files/0cnb1naffprken3mmnd4i0b4ik/nawujeloromoloxoxoraxur.pdfIn PDF document text
  • http://tdjl.com/uploadfile/file///2021081008440919.pdfIn PDF document text
  • https://apoiotelecom.com/imagens/img_fckeditor/file/61622346104.pdfIn PDF document text
  • http://www.majorisinvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161093c820bea4---vikowudevevur.pdfIn PDF document text
  • https://nuttydog.hu/ckfinder/userfiles/files/sebelugufuk.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b93fb8c3d72---wotewijajasudujifesaxeze.pdfIn PDF document text
  • http://vudafrique.com/wp-content/plugins/super-forms/uploads/php/files/54f2ab192e79623f258a4dcd5536d529/koxab.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/tuzasurunoxogamozasozo.pdfIn PDF document text
  • https://carthink.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609439acbe32b---romototezepidu.pdfIn PDF document text
  • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160736f33086ad---14893196537.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/cv9VXjIrmdE/uplcv?utm_term=simplifying+radical+expressions+worksheet+algebra+1PDF 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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