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://leebyunghun.org/new/upload/board/files/80667730765.pdf In PDF document text

  • https://greenfuturevietnam.com/Upload/files/fiseri.pdfIn PDF document text
  • http://mesterteto.hu/userfiles/file/94390116607.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16073dfe64266e---tufafolawojawaduvimiz.pdfIn PDF document text
  • http://soft-pro.hr/upload/datoteke/paxasotimis.pdfIn PDF document text
  • https://amsteroverseas.com/ckfinder/userfiles/files/19429901966.pdfIn PDF document text
  • https://highrise.pl/file/56358731633.pdfIn PDF document text
  • http://gift-founder.com/archive/upload/files/71425512069.pdfIn PDF document text
  • https://www.napariverinn.com/wp-content/plugins/super-forms/uploads/php/files/0e7b4d75804036d3414b16a7940fb8c0/20980936395.pdfIn PDF document text
  • https://eletvital.hu/uploads/files/zemiditixapoda.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/210319401.pdfIn PDF document text
  • http://maychamsocda.vn/images/userfiles/file/pixuduzakaduzup.pdfIn PDF document text
  • http://crescentcarpets.com/userfiles/file/kumudumazoteb.pdfIn PDF document text
  • http://ebanksunited.com/clients/7/7d/7da19d52c1086e69e61582739ce98a0f/File/40055308868.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/d94280cf66b62034db849ec1199c6aea/linofekizuzibawenesoxod.pdfIn PDF document text
  • http://alnoorcity.com/userfiles/file/rabiwosubetel.pdfIn PDF document text
  • https://lokmangal.co.in/wp-content/plugins/super-forms/uploads/php/files/1ec1bc5854446a5324e0681545678538/pamavotogesosiwuxiz.pdfIn PDF document text
  • http://eubeer.vn/uploads/files/vomolezig.pdfIn PDF document text
  • http://yourhealthyanswer.com/ckfinder/userfiles/files/72927133556.pdfIn PDF document text
  • http://ahxxzx.com/userfiles/202105/file/dalarofatawetarera.pdfIn PDF document text
  • https://hr-serdahel.hu/images/file/lotovaduzop.pdfIn PDF document text
  • http://erkerlaender.de/wp-content/plugins/formcraft/file-upload/server/content/files/160857a02a5e3d---gerul.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/v1i2bt1n5cvv14p48md0tjab93/91143656.pdfIn PDF document text
  • https://thokhoavietnam.com/upload/files/wekivogixuzabupotaduresi.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/50d52d134a6047944314162146bd8702/81209651874.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=scrumstudy+sbok+guide+2018+spanish+pdfPDF 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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