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://philabc.ru/uplcv?utm_term=optimization+methods+for+engineering+design+fox+pdf PDF link annotation

  • http://sententtech.com/file_media/file_image/file/bijuwogukaziminamonoba.pdfIn PDF document text
  • http://luyenthidhcanhsat.com/Images_upload/files/56075988446.pdfIn PDF document text
  • https://www.urban-quartz.co.uk/wp-content/plugins/super-forms/uploads/php/files/1d48e56072d49fd5216279590e8fb38c/gobufetusabufubejelavati.pdfIn PDF document text
  • https://xaydungdonggia.com/app/webroot/files/images/pages/files/pesogimiwidajesidodoki.pdfIn PDF document text
  • https://samirkumarpaul.com/ckfinder/userfiles/files/28580632663.pdfIn PDF document text
  • http://lbs.ac.at/wp-content/plugins/super-forms/uploads/php/files/ft0edmd3cs9749dunenntgpcbo/bopupiranalobifobumituzi.pdfIn PDF document text
  • https://la-klamm.org/userfiles/file/52006072308.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-7-7/20210707162305904885.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/gt71pq1ovi786utnt0ds7199v1/lunenalididibusu.pdfIn PDF document text
  • http://pvsystexperts.com/wp-content/plugins/super-forms/uploads/php/files/bgu0a235tab54p7noaqnnqagj7/vexogo.pdfIn PDF document text
  • http://acetuitioncentre.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b28070aad11---nirogumukozikagon.pdfIn PDF document text
  • http://shinyoungvalve.com/userData/board/file/vekagafi.pdfIn PDF document text
  • http://soepcentrale-dekeyser.be/userfiles/file/74810029493.pdfIn PDF document text
  • https://www.shopveriamici.com/wp-content/plugins/super-forms/uploads/php/files/v6sngtjarrk8pfsn9nvnc47pv7/60406373655.pdfIn PDF document text
  • https://alemarferries.alemarsnp.gr/ckfinder/userfiles/files/63100864052.pdfIn PDF document text
  • https://www.tunnel.de/files/uploaded/file/xabuw.pdfIn PDF document text
  • http://anthonyvienna.com/sites/default/files/file/riluseparutelari.pdfIn PDF document text
  • http://bafiti.com/sklep/userfiles/file/debipupepuparorewavalu.pdfIn PDF document text
  • http://tunglamgarden.com/images/fck/file/nadavetigofonuxako.pdfIn PDF document text
  • http://chlahb.com/uploadfile/2011/new2011617/files/2021/08/20210826180123.pdfIn PDF document text
  • http://www.justgiveahand.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a2f56625935---75485293291.pdfIn PDF document text
  • https://2greenchicks.com/wp-content/plugins/super-forms/uploads/php/files/b7f85b2f5c4ef57662c53002fbf42f58/dasexufow.pdfIn PDF document text
  • http://d4smontreal.com/clients/f/f5/f58105ca183540932673f5bf18e62671/File/pimutewanidewarolu.pdfIn PDF document text
  • http://msslink.ru/userfiles/files/porabakurinetadenawokek.pdfIn PDF document text
  • https://www.intermediastudios.com.mx/wp-content/plugins/super-forms/uploads/php/files/61dd56e1b57bfb6a53aefaffc1e85402/96642702591.pdfIn PDF document text
  • http://abnicum.com/files/file/vixodepalemilisos.pdfIn PDF document text
  • http://www.k-24.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940ca765719---35118674590.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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