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://archism.ru/uplcv?utm_term=free+instagram+followers+instant+trial+2021 PDF link annotation

  • http://bjqyms.com/filespath/files/20210910222857.pdfIn PDF document text
  • https://butagallery.com/userfiles/files/95588299484.pdfIn PDF document text
  • http://kaushalacademy.org/ckfinder/userfiles/files/63569603959.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613141e62f763---66037888312.pdfIn PDF document text
  • http://plusk-car.com/js/upload/files/badavirofet.pdfIn PDF document text
  • http://styrexon.cz/userfiles/file/31409928574.pdfIn PDF document text
  • http://aviafond.ru/userfiles/file/44038353999.pdfIn PDF document text
  • https://szabolcsipeter.com/userfiles/file/neruxab.pdfIn PDF document text
  • http://hylimusic.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/niwalitilefefegasapufozut.pdfIn PDF document text
  • https://pellevah.com/upload/files/gafexawumubusevidelofaze.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/52095991179.pdfIn PDF document text
  • http://ser-buk.com/userfiles/file/palesunitefabevizuzo.pdfIn PDF document text
  • http://ytovietnam.net/ckfinder/userfiles/files/sotoxupakula.pdfIn PDF document text
  • http://www.cheapmotorcycleinsurancepa.com/wp-content/plugins/super-forms/uploads/php/files/a5b97339b5f6834fdadd6a0aed39ce49/kosunokopegibowasur.pdfIn PDF document text
  • http://www.thaitofu.com/image/upload/File/62864081704.pdfIn PDF document text
  • http://dakdekkersindex.nl/images/uploads/73590550540.pdfIn PDF document text
  • http://autoscuolepintozzi.it/userfiles/files/86480360723.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/rugisedi.pdfIn PDF document text
  • http://slesnick.net/userfiles/files/3421718240.pdfIn PDF document text
  • http://hoinhikhoavn.com/img/files/dasipagemabul.pdfIn PDF document text
  • http://theorientgarden.iorderfoods.com/uploads/files/69353050786.pdfIn PDF document text
  • http://ambulanceservice.pl/userfiles/file/8619194452.pdfIn PDF document text
  • http://aylincinarli.com/fckfiles/file/kosozilupowasoparonev.pdfIn PDF document text
  • https://promocionesnma.com/wp-content/plugins/super-forms/uploads/php/files/d06873254ccb89768aced982f7048909/kuted.pdfIn PDF document text
  • https://agrocare.ro/ckfinder/userfiles/files/84119574818.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 extracted file (font_00_sfnt_off0000ba19.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000ba19.bin)

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