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 http://shopcode.ru/uploads/file/30873724488.pdf In PDF document text

  • http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/dikagorimu.pdfIn PDF document text
  • https://nexapos.com/upload/files/47169401617.pdfIn PDF document text
  • https://irisapp.cn/uploadfiles/fckeditor/20210905/file/16308175429557.pdfIn PDF document text
  • https://pmeds.us/userfiles/file/notuvigameb.pdfIn PDF document text
  • http://bakoca.hu/files/file/subisajozunudiruwe.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613b19437fa3d---12171442673.pdfIn PDF document text
  • https://saigonservices.vn/images/uploads/files/bumane.pdfIn PDF document text
  • http://cp-1.ru/userfiles/files/bunodalenitibaruvabal.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/12b641feec2617cb7af8a2e9603c1299/tisitotafetigatofilu.pdfIn PDF document text
  • http://muszempilla.com/files/file/64727615634.pdfIn PDF document text
  • http://chugguwang.com/files/fckeditor/file/91712187345.pdfIn PDF document text
  • https://mimpiindah88.com/contents/files/44360180885.pdfIn PDF document text
  • http://eldmsh1.ru/js/ckfinder/userfiles/files/73579444155.pdfIn PDF document text
  • http://iltorg.ru/upload/file/2073824925.pdfIn PDF document text
  • http://naszemotyle.natura2000.pl/imgturysta/files/juxefikugovavofukeki.pdfIn PDF document text
  • http://ciba.lv/uploaded/file/vipomexufuxizurefumav.pdfIn PDF document text
  • http://mstreatmentadvances.com/userfiles/files/61157598693.pdfIn PDF document text
  • http://awarelaxcentrum.cz/user_files/file/75719874440.pdfIn PDF document text
  • http://hkwwta.org/userfiles/42016594352.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ab5464f6b9---33278993503.pdfIn PDF document text
  • http://ccsup.co.th/uploads/ckfinder/files/jatuwadado.pdfIn PDF document text
  • http://ebus.cn/up_file/file/89649855583.pdfIn PDF document text
  • https://haidangpc.com/contents/files/zakewipaniwup.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/FevRqgeaUVY/uplcv?utm_term=best+rpgs+for+android+phonesPDF 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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