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 https://pistant.ru/uplcv?utm_term=functions+of+social+group+work PDF link annotation

  • http://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161315bd8e1013---20205895441.pdfIn PDF document text
  • http://vinhomescaurao.info/app/webroot/img/files/11640657391.pdfIn PDF document text
  • http://bodybybodyology.com/ckfinder/userfiles/files/51213054675.pdfIn PDF document text
  • http://naphotelbangkok.com/userfiles/files/nugonabalomifiv.pdfIn PDF document text
  • https://patc.fr/imagesfile/89913846428.pdfIn PDF document text
  • http://hoangminhphatkorea.com/webroot/img/files/95098277867.pdfIn PDF document text
  • https://www.bankkartya.hu/js/ckfinder/userfiles/files/pujibefakanaku.pdfIn PDF document text
  • http://sendedianqi.com/upload_fck/file/2021-10-4/20211004050733213608.pdfIn PDF document text
  • https://kurishupally.org/userfiles/file/damogogefaziwerefis.pdfIn PDF document text
  • http://epodhajska.eu/UserFiles/File/26059539027.pdfIn PDF document text
  • http://elosc.com/upFile/file///ITX202109071804142804.pdfIn PDF document text
  • http://cpk.by/ckfinder/userfiles/files/67521342966.pdfIn PDF document text
  • http://zhihepvb.com/upload/ckimg/files/202109140345024858.pdfIn PDF document text
  • http://beckydavidsonhomes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1615d97182957b---tolirijanenuwutumusu.pdfIn PDF document text
  • http://kurumakaitori-one.com/js/upload/files/66385680750.pdfIn PDF document text
  • http://daglichtfilters.nl/ckfinder/userfiles/files/55044542538.pdfIn PDF document text
  • https://atx-stroy.ru/wp-content/plugins/super-forms/uploads/php/files/145d5175651046982edc78c16256d011/67256154125.pdfIn PDF document text
  • https://anpheatingandac.net/nbloom/fckuploads/file/45197105866.pdfIn PDF document text
  • https://ildiko-szepsegszalon.hu/userfiles/file/wilusekuzi.pdfIn PDF document text
  • https://ruiguoex.com/upfile/files/2021/09/24/39023685521.pdfIn PDF document text
  • https://grupa-energia.pl/attachments/file/mogowusajemevajuposaf.pdfIn PDF document text
  • https://petribax.nl/userfiles/file/94451490316.pdfIn PDF document text
  • https://mithermomix.com.mx/wp-content/plugins/super-forms/uploads/php/files/3af7b9bc90e41d65607f4b117e2ae011/52055379692.pdfIn PDF document text
  • http://optometrystaprzemysl.pl/userfiles/file/11419607488.pdfIn PDF document text
  • http://netichikawaya.com/userfiles/file/wuveko.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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