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://smidgel.ru/uplcv?utm_term=multifactor+leadership+questionnaire+self+form PDF link annotation

  • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c7134b79551---34889911214.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ae48ce18c1---49169021327.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/4ab1b24f9451e1c7d9423909ada73a67/28223726868.pdfIn PDF document text
  • https://ecotranslation.ca/upload/editor/file/vikepanugevujavovi.pdfIn PDF document text
  • https://aksukartela.com/images_upload/files/75615201718.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16082e88e0dc7d---nikepujexisoxujezipuj.pdfIn PDF document text
  • http://rsti.biz/files/fck/file/85661757435.pdfIn PDF document text
  • https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/f6q97536545ivoq8ulvu7bds4h/naginepo.pdfIn PDF document text
  • http://cetis156.neutronds.com/assets/js/ckfinder/userfiles/files/56895218903.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608ad3d524fbc---vekubomapaketi.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/92015055240.pdfIn PDF document text
  • http://photo-preiss.com/upload_files/files/17851020139.pdfIn PDF document text
  • http://100gastro.cz/soubory/files/3737400177.pdfIn PDF document text
  • http://caopump.com/admin/userfiles/file/32069904916.pdfIn PDF document text
  • http://archimax.ch/dynamic-images/cms/file/81525764687.pdfIn PDF document text
  • https://militarynetwork.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d0ca2a7892---71415437563.pdfIn PDF document text
  • http://alpanelektrik.com/depo/sayfaresim/file/kobonurotegalipelanuviju.pdfIn PDF document text
  • https://www.birdandwildlifeteam.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a4e98d799bf---49197732490.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160df57a3a0433---57137127415.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/842d06bb981bf63a71a12fe66d1758ad/87036264371.pdfIn PDF document text
  • http://englandmatchshirts.com/assets/file/xilujubejalofirijurera.pdfIn PDF document text
  • https://agatanorek.com/files/file/zinekatog.pdfIn PDF document text
  • https://vieiras.pt/imagensprodutos/file/25048098068.pdfIn PDF document text
  • https://stgeorgedentalcare.in/ckfinder/userfiles/files/tawomusesegenixuwig.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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