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://sunnyrosesschool.com/userfiles/file/19144517477.pdf In PDF document text

  • http://barudan.hk/UploadFile/file/20210912120459342.pdfIn PDF document text
  • http://iccjsc.com/images/uploads/files/36780271492.pdfIn PDF document text
  • http://freeware-software-download.de/uploads/editor/file/79697080880.pdfIn PDF document text
  • http://liceoadultos.juniorcollege.cl/userfiles/files/97616473190.pdfIn PDF document text
  • https://dienmayminhchau.vn/uploads/news_file/17631677944.pdfIn PDF document text
  • http://zhihepvb.com/upload/ckimg/files/202109201831409764.pdfIn PDF document text
  • http://chunmianxian.com/upfolder/e/files/20210901142024.pdfIn PDF document text
  • http://dolekkoyum.com/admin/UserFiles/file/dexulejajalolexej.pdfIn PDF document text
  • http://articolo17.it/siti/usr/foto/files/78321163506.pdfIn PDF document text
  • http://chinazzjx.com/d/files/moxagubabilotupor.pdfIn PDF document text
  • https://legyenegyjonapod.hu/userfiles/files/54604443213.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/40755632832.pdfIn PDF document text
  • http://manegedebuitenwijck.nl/uploads/file/25248406597.pdfIn PDF document text
  • https://citronixdeflection.com/nbloom/fckuploads/file/jakoxa.pdfIn PDF document text
  • http://www.jhannahs.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369c0703d6c---nutuwitujidugabusasifol.pdfIn PDF document text
  • http://kibunajcc.com/ckfinder/userfiles/files/31015300239.pdfIn PDF document text
  • https://cinemaparadiso.site/uploads/files/wukaduzer.pdfIn PDF document text
  • http://ccsup.co.th/uploads/ckfinder/files/rinijorumajajoko.pdfIn PDF document text
  • http://electriccityusa.com/images/fck_uploads/file/49900867194.pdfIn PDF document text
  • http://www.movingintofreedom.com/wp-content/plugins/formcraft/file-upload/server/content/files/16147459137f77---43488714067.pdfIn PDF document text
  • http://jutaek.humenia.com/upload/userfiles/2021/09/files/210920210623.pdfIn PDF document text
  • http://gadkowski.pl/repository/filemanager/file/giximitoligetiduku.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614201098fdef---38495375942.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/LPIa9PGmDLg/uplcv?utm_term=my+talking+tom+talking+tom+gold+runPDF 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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