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://mikailang.net/userfiles/file/20210721141208_1204912550.pdf In PDF document text

  • https://serini-cloud.pl/uploads/editor/file/16704392581.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16103cd468d573---modogekijanowiraton.pdfIn PDF document text
  • https://zenmobile.in/jaipriyart/uploads/files/rufida.pdfIn PDF document text
  • https://www.capitalroofingct.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e6acc059df7---gexowaviwugofa.pdfIn PDF document text
  • https://cullinanconstruction.com/wp-content/plugins/super-forms/uploads/php/files/npo7264ual84m4ongb4v2lreo0/nibibon.pdfIn PDF document text
  • http://ccforum.kr/uploads/file/1621561301.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/28fcf5248e2b4b45e8178c94e7f47250/nirutugovoditugawided.pdfIn PDF document text
  • https://evenimentecastel.ro/wp-content/plugins/super-forms/uploads/php/files/1k6go16uk1mknq0bfvhiupfpqt/zabozijarigegelowenisogib.pdfIn PDF document text
  • http://csc-0411.com/userfiles/file/20210610133013_hj2xns.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16095d1f5d64eb---gojepedebasas.pdfIn PDF document text
  • https://goactive.hu/wp-content/plugins/super-forms/uploads/php/files/769ca69754dab511cc994587b60b27ab/90171090566.pdfIn PDF document text
  • http://www.melodypods.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609106e431fad---poganubunerezumupukepeta.pdfIn PDF document text
  • https://www.sharpeningfactory.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0708232262---78590866694.pdfIn PDF document text
  • https://palcev.ru/userfiles/file/dafewozake.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/16083a6f59d54c---zekitazubazezilukaxan.pdfIn PDF document text
  • http://ixtvs.de/_upload_bilder/_filemanager/file/jorugizubefavabopa.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/b2977553b8e9a5355ec52565e7784139/88326610584.pdfIn PDF document text
  • https://ienter.bg/files/1077283836.pdfIn PDF document text
  • http://goldartline.ua/userfiles/file/6628067582.pdfIn PDF document text
  • http://call.ae/wp-content/plugins/formcraft/file-upload/server/content/files/1608394cf2f9a9---47140451456.pdfIn PDF document text
  • http://atthaya.com/file_media/file_image/file/sasufit.pdfIn PDF document text
  • https://fjordancv.info/wp-content/plugins/super-forms/uploads/php/files/72e6ea66f82a61ae32d5ed68cb064eb7/82928793843.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=list+of+digraphs+and+diphthongsPDF link annotation
  • http://pro.ovh.net/~tribuene/images/banque/file/lezapuwudenorujuxevefegek.pdfIn PDF document text
  • 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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