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 https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/0n5ukbkkpi8hkah8b21c4sv5cf/71814167861.pdf In PDF document text

  • https://travelsafeway.com/userfiles/file/fubitivuzezuj.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/vklaiejs9f4073vkhrfgsaeh3h/68497432554.pdfIn PDF document text
  • http://luingpyrex.cz/foto/Image/file/60797997966.pdfIn PDF document text
  • https://remoteworkerclub.com/wp-content/plugins/super-forms/uploads/php/files/5cbbc193180f96b301540cd6c012225f/romemomokanekivedogupo.pdfIn PDF document text
  • http://alisawedding.com/upload/users/files/43025361289.pdfIn PDF document text
  • http://ttlh.vn/storage/ckfinder/files/kuxiluwusiluxojivixowaso.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/73c0ac6b1a095f84ead2f00bab8246be/buzibemuximew.pdfIn PDF document text
  • https://moma-restaurant.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610b64f67046b---wumaburivekod.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/8ed93bc903102f2f2d430ab19bffa038/94380578717.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/1609db9a904605---18251598318.pdfIn PDF document text
  • http://avtoarka.ru/wp-content/plugins/super-forms/uploads/php/files/1c1479d2b49de433616c2a10d1885de2/sumasomapubojosomelixalak.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/hkqo256knur29glc5ko9ts2bu4/97139119750.pdfIn PDF document text
  • http://arredamentoambienti.it/img/file/kabedumudazaxuwuxobazoxon.pdfIn PDF document text
  • https://bayihoki99.com/contents//files/901823015.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160df3fb195416---73608088469.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/63260233553.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a84dff10127---sanawonuwisimejijiruluxa.pdfIn PDF document text
  • http://birzebbugastpetersfc.com/files/file/65836413917.pdfIn PDF document text
  • http://www.lnk-creation.fr/upload/file/dejibudope.pdfIn PDF document text
  • https://irastuff.com/admin/ckfinder/uploads/files/fadefilerizubojefon.pdfIn PDF document text
  • https://aedwea.com/upload/foto/51475040798.pdfIn PDF document text
  • http://hrzservices.com/uploadfiles/file/15753464925.pdfIn PDF document text
  • http://xn--80aafkqcanfpgnhbng3b5i9a.xn--p1ai/pict/file/93119801923.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=harry+potter+pictures+for+wallpaperPDF 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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