Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crewmak.ru/uplcv?utm_term=exerc%C3%ADcios+de+concord%C3%A2ncia+verbal+7+ano+pdf PDF link annotation

  • http://www.birapart.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a246c1d7e2b---34497595509.pdfIn PDF document text
  • http://davis-wilford.com/clients/5/5d/5d1655677b271656441dfc21bb295863/File/42041464376.pdfIn PDF document text
  • http://kimbuunguyen.com/uploads/userfiles/file/16000694605.pdfIn PDF document text
  • https://victory-agency.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d94801a77d4---wadowexa.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/9e08e5e4a3e76cdb7f9a66ce207b21d3/76032670945.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/16088df72a449e---7035947575.pdfIn PDF document text
  • https://aimhc.com/userfiles/file/vamologiduxugevumijik.pdfIn PDF document text
  • http://nuovojob.com/userfiles/files/79480843415.pdfIn PDF document text
  • https://jxloanchien.com/style/postimage/file/48288717795.pdfIn PDF document text
  • http://kperrylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/misulovosasikewa.pdfIn PDF document text
  • http://www.hydro-tg.pro/upload/file/wesegaki.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077ce4e3c04b---67686960803.pdfIn PDF document text
  • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c645f57d9c---12086384501.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/hlad4nip8g8mq3k167dl98djaa/28353389638.pdfIn PDF document text
  • http://technoculture.cz/admin/upload/file/79133961089.pdfIn PDF document text
  • http://premium-h.info/files/files/kuvusokoxogebulamukumuxi.pdfIn PDF document text
  • https://liniagdanskzydowo.pl/files/veluze.pdfIn PDF document text
  • https://skazkavdom.com/wp-content/plugins/super-forms/uploads/php/files/3e84adebd9bd64f7f571860ac18f65ce/jawawapejiligorobali.pdfIn PDF document text
  • http://grafichesirio.com/userfiles/files/nukot.pdfIn PDF document text
  • https://floorco.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/868f550f6894c770b403fdd029f34489/58750492328.pdfIn PDF document text
  • https://iwanbim.com/userfiles/files/feteke.pdfIn PDF document text
  • https://aimara-bg.com/userfiles/file/88410724980.pdfIn PDF document text
  • http://studiomalpocher.it/userfiles/files/95090783743.pdfIn PDF document text
  • http://sms-dk.com/FileData/ckfinder/files/20210716_7E389D6561CCC6A4.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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