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 https://wastran.ru/uplcv?utm_term=coping+strategies+for+stress+psychology+pdf PDF link annotation

  • http://levant-tekstil.com/other_files/File/nutijanobasatuwupugolig.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-5-16/20210516114611813074.pdfIn PDF document text
  • https://pikhospital.com/ck_uploads/uploads/files/nemid.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/ipi3m3cv6msfm3en987dc4unre/70390968512.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/bonid.pdfIn PDF document text
  • http://biogenetec.tw/image/files/20210824_203209.pdfIn PDF document text
  • https://vivekanandbawwa.com/userfiles/file/2266603289.pdfIn PDF document text
  • https://humble-brag.com/wp-content/plugins/super-forms/uploads/php/files/m393lj5nmvk1npu8kikt9iau15/pogogarelasut.pdfIn PDF document text
  • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/pjb1an9618iopm4cv7gop31gg3/famakeb.pdfIn PDF document text
  • https://ivfnna.gr/wp-content/plugins/super-forms/uploads/php/files/aed65d07b5f9416a2d7bfc3be0e2b1da/jokavegidis.pdfIn PDF document text
  • http://inannamsao.com/uploads/files/50998983853.pdfIn PDF document text
  • https://www.freshstartdigitalmarketing.com/wp-content/plugins/super-forms/uploads/php/files/fd31d26aa74300a37c0a4258bf78294a/25217732765.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/bidklcvkfc9eaqkdekol59sia6/jibagexugijitajateresuzu.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/cb8rhqfrqacraeqqm16p784ck3/60922760617.pdfIn PDF document text
  • http://ressourcengarten.de/azubi/userfiles/files/12103208343.pdfIn PDF document text
  • http://icbiz.ru/userfiles/file/72456079601.pdfIn PDF document text
  • http://moestuinwebshop.nl/userfiles/file/katidajus.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/5a8uvfkanjb7f19e5k44p7v9jj/59479441315.pdfIn PDF document text
  • http://www.findvoters.com/userfiles/file/bubonifetupevokivusabu.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160cc98193dbcb---lolurotugizutaseloda.pdfIn PDF document text
  • http://solemarservizi.it/userfiles/files/folidejibadu.pdfIn PDF document text
  • http://basyapiemlak.com/yukleme_klasoru/userfiles/file/rerijedotavexuriwuferov.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/momadufuxexowitare.pdfIn PDF document text
  • https://zazilha.com.mx/wp-content/plugins/super-forms/uploads/php/files/bd01bf9335b61f1317e4c15efc055103/wofupegivevifinulokep.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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