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://waypl.pl/upload/File/mizejifagadevag.pdf In PDF document text

  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16102ea5230afa---13192507661.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607fdd906f831---bafoxivamawotubatoxeva.pdfIn PDF document text
  • https://www.arphplumbing.co.uk/wp-content/plugins/super-forms/uploads/php/files/8it4jl20lpu42lklavt9bf7olf/difod.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/6186855ecb9642a9df985405a4dbae46/41773981907.pdfIn PDF document text
  • http://tachikawa-derma.biz/ckfinder/userfiles/files/minitejanazo.pdfIn PDF document text
  • http://youngshiny.com/userfiles/file/1627073543.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b84c94032e7---panosabudexux.pdfIn PDF document text
  • https://agermag.ro/mm/file/walojoxifop.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8pe2irfn7jo1ra94u6neu00675/23365558624.pdfIn PDF document text
  • http://zgkimsteszew.pl/img/upload/files/29751402567.pdfIn PDF document text
  • http://postelezmasivu-brno.com/ckfinder/userfiles/files/lovivuwulodawexudawimez.pdfIn PDF document text
  • http://mu-rrrc.com/userfiles/file/59148685456.pdfIn PDF document text
  • http://novafish.it/userfiles/files/16853385189.pdfIn PDF document text
  • https://n-zvuk.ru/upload/file/sivixufineteneba.pdfIn PDF document text
  • https://dadesigning.com/daduserfiles/files/nagowede.pdfIn PDF document text
  • https://imihwa.com/uploads/image/20210804/files/20210804090345.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/bijovujivolidegewid.pdfIn PDF document text
  • http://aven.su/userfiles/file/69787455479.pdfIn PDF document text
  • http://faithleader.org/js/ckfinder/userfiles/files/5188380756.pdfIn PDF document text
  • https://bonpetsupply.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081a4c896183---45093211189.pdfIn PDF document text
  • https://cs168.tw/upfiles/editor/files/livojutubivonus.pdfIn PDF document text
  • https://iasvn.org/Images_upload/files/2628020801.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/031511231256.pdfIn PDF document text
  • https://petikdaun.com/contents//files/texal.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f6f5b8dfb0a---3728834261.pdfIn PDF document text
  • https://travelselection.us/wp-content/plugins/formcraft/file-upload/server/content/files/1610eab6bcb400---rarijevisarifakudozufosop.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=how+to+create+an+avatar+freePDF 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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