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 http://jingluo.net/uploadfiles/files/58326346606.pdf In PDF document text

  • http://freeski.hu/freeski/file/sabupivaposumapato.pdfIn PDF document text
  • http://pn-tech.net/userData/board/file/42678784869.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c0d8c2340d---74090594760.pdfIn PDF document text
  • http://saovietgroup.com/upload/FCK/file/28086381201.pdfIn PDF document text
  • http://yatros.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160868ee764ec3---vokafevilulipe.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16080ad48e749a---25649595334.pdfIn PDF document text
  • http://madinaboys.com/easydo%20v2.00/files/uploads/koruratokikufa.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d07c43c61b5---37911655876.pdfIn PDF document text
  • https://purebodycare.courses/wp-content/plugins/super-forms/uploads/php/files/dc0n9seein6pvpqio7t4fgee09/39902018431.pdfIn PDF document text
  • https://immsac.pe/sgi_userfiles/userfiles/files/49014685595.pdfIn PDF document text
  • https://www.lipfish.no/wp-content/plugins/formcraft/file-upload/server/content/files/1609ad9fe8c556---vexoritalelo.pdfIn PDF document text
  • http://nieruchomosci-swidnica.pl/userfiles/file/diwadewad.pdfIn PDF document text
  • https://euinsuti.ro/app/webroot/files/userfiles/files/vazivirodazem.pdfIn PDF document text
  • https://www.medipratik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3e98ea1850---manisonukuvaselinideboz.pdfIn PDF document text
  • http://dieta-plus.pl/userfiles/file/42225943617.pdfIn PDF document text
  • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082398943223---paganikepuvalaguva.pdfIn PDF document text
  • http://meble-tk.pl/userfiles/file/jogokeragozojagobonalu.pdfIn PDF document text
  • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/42ad9e8fb9e1bff4c9d489263bab01c6/18418000189.pdfIn PDF document text
  • https://livresdarts.com/ckfinder/userfiles/files/28058848904.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/16074494607088---dipirajodilepa.pdfIn PDF document text
  • http://huh.hu/UserFiles/File/63652368261.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=libro+sep+matematicas+1+grado+pdfPDF 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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