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://synerhu.ru/uplcv?utm_term=lic+ado+admit+card+2019+download+pdf PDF link annotation

  • http://bhk-aindling.de/userfiles/files/nodanugefavebesux.pdfIn PDF document text
  • https://inijariku.com/ckfinder/userfiles/files/39959781546.pdfIn PDF document text
  • https://www.andimoda.com/wp-content/plugins/super-forms/uploads/php/files/9597eb1b9c27fec0af923146722f7547/79812461727.pdfIn PDF document text
  • https://delphin-bau.com/ckfinder/upload/files/95538592641.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606cae1ce80b5---27664342138.pdfIn PDF document text
  • http://poongdung.com/FileData/ckfinder/files/20210831_AE4109D3EF15F5B2.pdfIn PDF document text
  • http://packamate.com/userfiles/3170489246.pdfIn PDF document text
  • http://cageart.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16074b41fe4892---73980371809.pdfIn PDF document text
  • http://tourhong.com/FileData/ckfinder/files/20210803_C94B23A0A8CDB6C3.pdfIn PDF document text
  • http://www.barbazan-debat.fr/ckfinder/userfiles/files/91686355550.pdfIn PDF document text
  • http://www.empresasdelimpeza.info/wp-content/plugins/formcraft/file-upload/server/content/files/1608b42d8ec468---30056435038.pdfIn PDF document text
  • https://happy-playground.gr/uploads/_uploads/files/78976164557.pdfIn PDF document text
  • http://copy2d.com/ftp/image/file/49140712184.pdfIn PDF document text
  • http://investinwielkopolska.pl/application/lib/ckfinder/userfiles/files/nelugowewimejevuj.pdfIn PDF document text
  • https://www.bluegreenshouseboats.in/wp-content/plugins/formcraft/file-upload/server/content/files/160bc1f42e97b0---41483793697.pdfIn PDF document text
  • http://www.impactit.in/ckfinder/userfiles/files/3559274247.pdfIn PDF document text
  • http://www.gieskestukadoors.nl/ckfinder/files/files/fufusesidepe.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a596169c265---saparipomogewilure.pdfIn PDF document text
  • https://china-glass-mosaic.com/userfiles/files/20210722_144358.pdfIn PDF document text
  • http://www.uds-myanmar.com/image/upload/File/zexezetonofosevamu.pdfIn PDF document text
  • http://wittzumstegfamilyreunion.com/clients/e/e5/e56c03c63d8c9260b12fda9e5e6a3df6/File/mokuk.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/fdfb8358b826f3f6cd9c20bde45dc8d5/22358138772.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/9c384450e1edc0f22d27ad555fc01fca/luvafawoferi.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/2o433n6i8nl7upvbr5tgs83912/napupagowofobikaginedipe.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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