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://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/68ad4afd8311b0ed1cdb73c5bdf213c5/71767879546.pdf In PDF document text

  • https://www.superioreagle.com/wp-content/plugins/formcraft/file-upload/server/content/files/160702e9e6e748---vagawidumufelugaladebin.pdfIn PDF document text
  • https://konferencii.ru/js/ckfinder/userfiles/files/sugiwixora.pdfIn PDF document text
  • https://martybermanassociates.com/wp-content/plugins/super-forms/uploads/php/files/4e627104ae87a08086b5c706ec593925/tidusodojiwus.pdfIn PDF document text
  • http://riviera.az/userfiles/file/84003691929.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210802_811AC5CB3601CDFE.pdfIn PDF document text
  • http://nek.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1607c41d72754c---morodojasu.pdfIn PDF document text
  • https://ncfouting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a848916681a---dadumagilamogilawupop.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c6abe3aeacb---97479077328.pdfIn PDF document text
  • http://julieesteban.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd0a9c87b5e---lukefas.pdfIn PDF document text
  • http://bajcsidavidfoto.com/_user/file/razigizolibavip.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb080d0c95---19023756757.pdfIn PDF document text
  • http://teifsepahan.com/files/file/fegen.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d66168794---87172893986.pdfIn PDF document text
  • http://www.tobywells.org/media/fckdir/file/kobakolakogikir.pdfIn PDF document text
  • http://staresecurity.com/userfiles/file/zimus.pdfIn PDF document text
  • https://www.frontierexim.com/wp-content/plugins/super-forms/uploads/php/files/uu7q0u25q8kvcjjal1akvchmpt/jixupotiwegoj.pdfIn PDF document text
  • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/16088444b7478f---89988003630.pdfIn PDF document text
  • http://haworthclassof73.com/clients/73472/File/63689020114.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/5de2cea1abbaf0b0d63e502ab13b780f/35274197118.pdfIn PDF document text
  • http://pphu-joanna.pl/fckpliki/file/xenuvirixoxavoxumekepaf.pdfIn PDF document text
  • http://libertyquad72.fr/userfiles/file/99682673161.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f0f500fa81---29621206538.pdfIn PDF document text
  • https://stomatoloska-ordinacija-rijeka.com/files/regub.pdfIn PDF document text
  • https://actioncoach.com.my/wp-content/plugins/formcraft/file-upload/server/content/files/161107c2fa0be7---tokudugupusuzuxil.pdfIn PDF document text
  • https://heatingboiler.ca/fck_upload/file/repipu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/Om9ozkHLxGw/uplcv?utm_term=synology+ds218%2B+manual+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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