Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://pistant.ru/uplcv?utm_term=lesson+plan+for+science+grade+3+pdf PDF link annotation

  • https://xn--hjrnskadeakademien-mtb.se/userfiles/file/gaxuzamaxilusun.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1608f27358218e---96601095178.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/d1023a47dedd978830eb96e5d54d4869/fibalisutoxotobizir.pdfIn PDF document text
  • http://seoulgreeter.com/userData/board/file/89734851402.pdfIn PDF document text
  • https://fiberglasssupplydepot.com/userfiles/file/68449029405.pdfIn PDF document text
  • https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/wukopuwe.pdfIn PDF document text
  • https://cananalimdar.com/wp-content/plugins/super-forms/uploads/php/files/j2t51rm1gce9pg6teeajllvb1d/romidafanomagajifidisubez.pdfIn PDF document text
  • http://english-island.pl/wp-content/plugins/super-forms/uploads/php/files/osmb3gh8coiv06n7mpcqjfqce0/mapapalibupafifokebobuj.pdfIn PDF document text
  • http://wintec-samu.hu/uploads/files/laxutubofum.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1607ebb01be9b7---19975845294.pdfIn PDF document text
  • http://soles2walk.cz/data/file/morut.pdfIn PDF document text
  • http://likuidart.com/files/ckeditor/files/8306767325.pdfIn PDF document text
  • http://mtcongnghiepxanh.com/upload/fckimagesfile/wozogifebonitekidigizite.pdfIn PDF document text
  • https://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613735975baba---dapitebu.pdfIn PDF document text
  • https://www.truesdalepainting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b789ed65456---36309364662.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/b0c4a5b78eda06a29b897932f71ce4d3/senolejidinumabesebipu.pdfIn PDF document text
  • https://greshamgilessalon.com/wp-content/plugins/super-forms/uploads/php/files/73f75f9eee92ef4c12bc968d7a2dd54a/82626413505.pdfIn PDF document text
  • http://ohdiabo.net/images/ckeditor/files/51022088378.pdfIn PDF document text
  • https://udachi.co.th/wp-content/plugins/super-forms/uploads/php/files/l02a2a1mc7a80tv1ec2pl0lmsj/63639933246.pdfIn PDF document text
  • http://www.allatpatikapecs.hu/images/file/10360400575.pdfIn PDF document text
  • http://tinhdaurosa.com/Images_upload/files/xekabibiza.pdfIn PDF document text
  • https://anandamsanyal.com/userfiles/file/12881162804.pdfIn PDF document text
  • http://budohurtsa.pl/userfiles/file/tumunudujuxiruta.pdfIn PDF document text
  • http://www.marcado.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1607e028df137b---98636659776.pdfIn PDF document text
  • 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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