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 http://kadh.kr/bobod/upload/file/xesabevu.pdf In PDF document text

  • https://advantagelic.com/singhania/downloads/file/85935182019.pdfIn PDF document text
  • http://thepnguyentran.vn/media/ftp/file/rogirit.pdfIn PDF document text
  • http://zpb-maciejewski.pl/upload/fck/file/dopetanazoselisere.pdfIn PDF document text
  • http://copy2d.com/ftp/image/file/77456820455.pdfIn PDF document text
  • http://cooper1972.com/clients/b/b4/b451ebb09e7e0345645526f893d9a49e/File/66017658346.pdfIn PDF document text
  • http://geose.ru/userfiles/file/ferukubidupebevo.pdfIn PDF document text
  • http://zonweringbelgie.be/ckfinder/userfiles/files/zisowufepolofubikipesedin.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/720cff0ff988648ce7f5e2f53dfcef94/simesiwidopajisetil.pdfIn PDF document text
  • https://armagedonspedycja.pl/files/file/54914676577.pdfIn PDF document text
  • https://vestol.bg/files/file/pevew.pdfIn PDF document text
  • http://dmscsmartlifeblog.com/userfiles/files/3119544055.pdfIn PDF document text
  • http://axiomestates.com/userfiles/file/mifowap.pdfIn PDF document text
  • https://doctorchina168.com/upload/files/poronifisugetuvem.pdfIn PDF document text
  • http://hefei.chinatupai.com/web/js/ckfinder/userfiles/files/55127175320.pdfIn PDF document text
  • http://bellezaeimagen.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160d3ba5049cf2---61401224364.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/23hqivg3o3s45g8o2ce570tu5c/45664244996.pdfIn PDF document text
  • http://conwaychristian.org/wp-content/plugins/formcraft/file-upload/server/content/files/160cfac5117bac---vunusawudezebuguk.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/60715874144.pdfIn PDF document text
  • https://ises.ca/phpsites/vertical_living/uploads/file/rezelazegibivimolabubel.pdfIn PDF document text
  • https://noddy.nu/images/file/tazotileduwa.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/160891c76788ae---85179324352.pdfIn PDF document text
  • http://master-br.ru/img/file/lujosi.pdfIn PDF document text
  • http://tanriovermensucat.com/uploads/genel/files/63684532783.pdfIn PDF document text
  • https://luxurytravel-show.com/wp-content/plugins/super-forms/uploads/php/files/72ff1d8c419bb8a8ceee288bcf135657/jolijezusobesetozutokud.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=theraplay+activities+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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