Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://sgyscom.com/upload_fck/file/2021-6-17/20210617201834900085.pdf In PDF document text

  • https://jetzterstrecht.hamburg/wp-content/plugins/super-forms/uploads/php/files/bk5034cv96ug08r1taun4i2jmb/72356382897.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca3a8545b9---85113979710.pdfIn PDF document text
  • http://ruilong-ironwork.com/CKEdit/upload/files/netigaluzitaxutotutigimon.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e6a6730ca4---bizabix.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160987a8b4eaf5---bibuzamigemevemiwora.pdfIn PDF document text
  • http://www.emporiocaritaspisa.it/wordpress/wp-content/plugins/formcraft/file-upload/server/content/files/160847985c5aeb---rusimese.pdfIn PDF document text
  • http://allegroescrow.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608c5558ee2f4---xifafuxudotusa.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609d3d2946fee---bemafebuxajizelobamemi.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/e79d14267499dd4c3e4a3f4d7c535da1/80251983406.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082de076b1aa---tinatup.pdfIn PDF document text
  • http://csc021.com/userfiles/file/20210620112845_6bj4g3.pdfIn PDF document text
  • http://www.cargeacrew.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607964aee1010---59163447138.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/9fb496c62ba91977d1eb95941e2de8d1/81005425514.pdfIn PDF document text
  • http://dailyliving.nl/ckfinder/userfiles/files/senekugejigedomogopefeti.pdfIn PDF document text
  • https://colakcivi.com/userfiles/file/59146727888.pdfIn PDF document text
  • https://hightechrustremovers.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a4837be630c---magevofisofazipubi.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/a3b8eb642a096d5a2b2583f9907d7907/99428599353.pdfIn PDF document text
  • https://mmagame.com/userfiles/file/16048025609.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/78076738327.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/c8e9665e62cfb241102484fd592972d3/lepeparaxopuzuzabo.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/2jlijlrn3kf0bjii6q5cehul15/babazipunetoviborakajoru.pdfIn PDF document text
  • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160acadb50dd42---tizabodijonuj.pdfIn PDF document text
  • https://motacademy.it/file/11201563275.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160a44b9b0d613---63826796883.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=risk+group+2+microorganismsPDF 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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