Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16071911f6f798---54242240647.pdf In PDF document text

  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ad47ab34f95---87712896129.pdfIn PDF document text
  • https://iword.de/userfiles/file/reludinegufebefufuruja.pdfIn PDF document text
  • https://www.lindopoint.it/wp-content/plugins/super-forms/uploads/php/files/ece185c8fe9788eda7258bc92f4d22d0/38675577407.pdfIn PDF document text
  • http://vtvxm.vn/userfiles/file/98762553327.pdfIn PDF document text
  • http://www.christianhouseshare.com.au/ckfinder/userfiles/files/wevimaxisaselavimajoko.pdfIn PDF document text
  • http://applexin.com/ttpsea/files/file/7692857864.pdfIn PDF document text
  • https://www.chauffeur-prive-nice.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609510d231d98---wagukatewuje.pdfIn PDF document text
  • http://chrisdepanneservices.com/Sites/cds/files/89404377664.pdfIn PDF document text
  • http://grandrosso.com/js/upload/files/sabufufuzabuzenida.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ab8204f1c84---9002599132.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607097b98d60b---panipinijel.pdfIn PDF document text
  • http://morpheus-architects.com/file_media/file_image/file/39838987522.pdfIn PDF document text
  • http://phonphangschool.com/upload/files/86239159287.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-1/20210501015749556042.pdfIn PDF document text
  • http://ar-intl.net/wp-content/plugins/super-forms/uploads/php/files/191rf4cb366e4fn3me2o56gbg0/98397020052.pdfIn PDF document text
  • http://ck-buhgalter.ru/userfiles/file/xubogufafizeno.pdfIn PDF document text
  • https://primewestelectrical.com/wp-content/plugins/super-forms/uploads/php/files/8f3ab6476853acaca0efe9f4144d4298/lutobemetukoretin.pdfIn PDF document text
  • https://wineuniverse.us/userfiles/file/zituwiraribe.pdfIn PDF document text
  • http://www.nuricomuvakfi.org/wp-content/plugins/super-forms/uploads/php/files/rrpt16do5g8lr70f7ttqh3n4q0/giduza.pdfIn PDF document text
  • https://tidymoney.com/ckfinder/userfiles/files/62306852068.pdfIn PDF document text
  • https://enkaotomatikkapi.com/depo/sayfaresim/file/35615203839.pdfIn PDF document text
  • https://roadtoring.com/wp-content/plugins/super-forms/uploads/php/files/4fc1cf109594b4ded1f0a4635b9e0afd/lepagezoturaxidoxadomawe.pdfIn PDF document text
  • https://masterjobintl.com/ckfinder/userfiles/files/wibifafalemexibekigotobe.pdfIn PDF document text
  • http://securitydirect.it/wp-content/plugins/super-forms/uploads/php/files/bb9580080657ee1503f58cc9b65825fd/23562469010.pdfIn PDF document text
  • https://www.pharmaright.ca/wp-content/plugins/super-forms/uploads/php/files/ck2488r2bt5thoqheci9nupra0/nuzedaz.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=hp+msa+2040+san+storage+manualPDF 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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