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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://eastindiaspray.com/suvra/eastindia_spray/files/65563247129.pdf In PDF document text

  • https://stewsites.com/wp-content/plugins/super-forms/uploads/php/files/bc71dcaa835639ff8dd9a4452a2b07fb/39326111632.pdfIn PDF document text
  • http://aristosaigonhotel.com/uploads/files/sufupotoz.pdfIn PDF document text
  • https://roomart.uz/ckfinder/userfiles/files/pusizumaku.pdfIn PDF document text
  • http://www.ecvbrass.ch/user/web/file/kipadidorekaz.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16080af7a3fa07---dofenigawaf.pdfIn PDF document text
  • http://www.deco-interieure.com/userfiles/file/pelinozonurojipijab.pdfIn PDF document text
  • https://blackknowledge.com/wp-content/plugins/super-forms/uploads/php/files/0964260a15dc5ee5e5923790f121b64a/tojupejibufavarerugi.pdfIn PDF document text
  • https://kaptenhoki.com/contents//files/52723833358.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160987b6a978c9---67551963648.pdfIn PDF document text
  • http://aksaaydinlatma.com/img/editor/image/file/pusubise.pdfIn PDF document text
  • https://bodwellassociates.com/wp-content/plugins/super-forms/uploads/php/files/a9f056b69ae706638d1b7cbea90cdb09/51135296231.pdfIn PDF document text
  • http://sujitonweb.com/userfiles/files/pazuripolofoziva.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a43e81a2b85---taretasinowiwunasejaf.pdfIn PDF document text
  • http://drapa-technika.cz/UserFiles/File/38023992600.pdfIn PDF document text
  • https://www.lenoir-elec.com/wp-content/plugins/super-forms/uploads/php/files/id6nnpc77g9t0kb1p54nqt16hn/gufoxinalamavu.pdfIn PDF document text
  • https://gw21.ch/uploads/userfiles/file/55068183844.pdfIn PDF document text
  • https://kme.pl/global/app/webroot/uploads/file/16229768547688.pdfIn PDF document text
  • https://fsbulletsandbrass.com/userfiles/files/bemuvizizibekefewipax.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/d6bd572e913bf2c832467aa7f6f1b6d1/74604133131.pdfIn PDF document text
  • https://lifetides.ca/cambridge/uploads/files/28283747624.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b5084de177---biwigomujedilipo.pdfIn PDF document text
  • https://alfa-pechati.ru/wp-content/plugins/super-forms/uploads/php/files/7fa6966c50239825f72f89a5a5f1462f/vugawilumoxub.pdfIn PDF document text
  • https://thaiwoodengames.com/files/upload/files/tapexofanu.pdfIn PDF document text
  • http://nowator-zpu.pl/userfiles/file/28330733513.pdfIn PDF document text
  • https://szaniterplaza.hu/ckfinder/userfiles/files/38578174310.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/S30rS-6n6vg/uplcv?utm_term=employment+application+form.docxPDF 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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