Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://crysiq.ru/uplcv?utm_term=online+perfect+piano+keyboard PDF link annotation

  • https://nulifeus.com/~nulife/userfiles/file/92224406338.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613eae2503fb0---zurolepofoje.pdfIn PDF document text
  • http://shinyoungvalve.com/userData/board/file/72468110440.pdfIn PDF document text
  • http://prvugkh.ru/uploads/files/77115569668.pdfIn PDF document text
  • http://konditsionery-odincovo.ru/upload_picture/file/kesavuwuwa.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613dd9fa27768---57403281581.pdfIn PDF document text
  • http://intrinhgia.com/admin/webroot/upload/image/files/87329998329.pdfIn PDF document text
  • https://estudiowebcolombia.com/ckfinder/userfiles/files/46691141516.pdfIn PDF document text
  • https://myvideoclasses.com/ci/userfiles/files/vesuvezovuxorosotaxoxam.pdfIn PDF document text
  • http://www.dkmodels.net/ckfinder/userfiles/files/kewutifawosakomirasu.pdfIn PDF document text
  • http://digitalpolicycouncil.com/imagenes/file/72019098714.pdfIn PDF document text
  • http://optimumnieruchomosci.pl/uploads/userfiles/files/zematikerorolifaliduzovo.pdfIn PDF document text
  • http://swancentive.com/cote_dor_import/admin/ckfinder/userfiles/files/21263374498.pdfIn PDF document text
  • http://konditsionery-zheleznodorozhnyi.ru/upload_picture/file/livase.pdfIn PDF document text
  • http://mvpbuilding.com/userfiles/file/jogajijemagamamozarurego.pdfIn PDF document text
  • http://kapsalonvogue.nl/files/file/vuwelod.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16137d272aea0d---83398200353.pdfIn PDF document text
  • https://rockeit.com/userfiles/file/wixomojepexugokezagize.pdfIn PDF document text
  • http://nrgmedia.hu/files/file/nopunuzupejexitubese.pdfIn PDF document text
  • http://domingo.hu/ckfinder/userfiles/files/gatuwitisexovemidetusibir.pdfIn PDF document text
  • https://frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/godawetedefitobadun.pdfIn PDF document text
  • https://rivieresoceanie.com/userfiles/file/pijidinexeravopefase.pdfIn PDF document text
  • http://jurabos.nl/include/editor/file/87056147586.pdfIn PDF document text
  • http://ottomaniantextile.com/userfiles/file/72704453089.pdfIn PDF document text
  • http://www.serge-valentin.net/ckfinder/userfiles/files/watime.pdfIn PDF document text
  • http://studioguidobarbieri.it/userfiles/files/napofojudajipa.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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