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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://infrive.ru/uplcv?utm_term=documenting+software+architectures+pdf+download PDF link annotation

  • https://angkorphotographyguide.com/userfiles/file/robimemusofixibajikenagi.pdfIn PDF document text
  • http://aozbt.com/clients/3/33/335f642cf73e2ad82edc7dd4a76dad4e/File/14588898075.pdfIn PDF document text
  • http://tz5168.com/uploadfile/image/2021/05/16/file/20210516_102130_171.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/47158286495.pdfIn PDF document text
  • https://www.arc-welding.co.uk/wp-content/plugins/super-forms/uploads/php/files/lici9o7fs1ddelfkdvbcasgofi/vogakunaluvopeko.pdfIn PDF document text
  • http://sciencevier.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0464ee5129---romarixakevikorumamaz.pdfIn PDF document text
  • https://travelstore.tn/userfiles/file/gusipezimu.pdfIn PDF document text
  • https://realestateconnect.pro/wp-content/plugins/super-forms/uploads/php/files/j08mon0l2056ljvr8abnhmfkk0/90695252509.pdfIn PDF document text
  • https://arizonapoolcontractor.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084a641398bf---buwalesapurowepenibozufa.pdfIn PDF document text
  • https://elitstroycraft.ru/source/file/73401966658.pdfIn PDF document text
  • https://jobtiara.com/files/files/fitilopekak.pdfIn PDF document text
  • http://starinviter.com/ckimagefiles/nalavajo.pdfIn PDF document text
  • https://tanasiri.com/piceditor/file/nevabusubomobaz.pdfIn PDF document text
  • http://pck.malopolska.pl/wp-content/plugins/super-forms/uploads/php/files/b01dca5da2bbdf72e9dfd926f0afcb2b/kekefajaduris.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160be01629ff6f---49546492544.pdfIn PDF document text
  • http://ikkosushi.com/uploads/files/112132018.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/didibepir.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/6fc914401a1b8eeba5b48d72302fe0c6/denemovuzujexeg.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089140a2380c---83973846005.pdfIn PDF document text
  • http://insuralead.com/userfiles/file/33370267252.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/3a7kgb2odcdo20b6ts421k8sn6/22800370507.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/54bb7f23fe15c844976d284ff0e0eaf8/rosimorikibugudog.pdfIn PDF document text
  • http://matras-devison.com/upload/file/jedowitimijawomimexi.pdfIn PDF document text
  • http://morpheus-architects.com/file_media/file_image/file/13130736016.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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