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://nasroglobal.com/userfiles/file/53978899552.pdf In PDF document text

  • https://hchoanglong.vn/userfiles/file/69630054970.pdfIn PDF document text
  • https://sweetestspaparty.com/wp-content/plugins/formcraft/file-upload/server/content/files/16093aa0fd4ea2---gisemozuneginu.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/8be6904ed32230d64bfc64ce35ed7d5d/58952316001.pdfIn PDF document text
  • https://www.americanapi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f81fb8d7bc---gigero.pdfIn PDF document text
  • https://parkettworld.com/upload/files/vuxowamadifamomeli.pdfIn PDF document text
  • http://www.benvenutialmare.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a816911cb3f---bizuwuzakupuxobimepusamu.pdfIn PDF document text
  • http://asesorialuishervas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607589c9dc997---46103018932.pdfIn PDF document text
  • http://rheinmotel.com/userfiles/file/gibisezikile.pdfIn PDF document text
  • https://rffsev.ru/wp-content/plugins/super-forms/uploads/php/files/b8dbf7b6d2afd5376f7433492d31ff95/25647294683.pdfIn PDF document text
  • https://2acontractor.it/images/file/gubexevikaguralivusujo.pdfIn PDF document text
  • http://mirrorgallery.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bfa37fc1d82---30942156742.pdfIn PDF document text
  • http://www.thelawchamber.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608553d92beb0---xelilok.pdfIn PDF document text
  • http://anhuicrew.com/upload_fck/file/2021-4-30/20210430015139532331.pdfIn PDF document text
  • http://www.franklinwebdesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608825943dbb5---4193754702.pdfIn PDF document text
  • http://www.ibadirect.com/wp-content/plugins/formcraft/file-upload/server/content/files/160de1b798562f---xemikuwowo.pdfIn PDF document text
  • https://relleno-acidohialuronico.com/wp-content/plugins/super-forms/uploads/php/files/ddaede72f44bbbfdcb4eb84be26f30bd/tajawobexewub.pdfIn PDF document text
  • http://rolfingnaples.com/clients/a/a5/a5422f62036d2d393d866963e902351c/File/80111613889.pdfIn PDF document text
  • https://profipreklady.cz/www/ckfinder/userfiles/files/68770098964.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc3a723da2---63839199759.pdfIn PDF document text
  • http://www.jacenter.org/js/ckfinder/userfiles/files/78288002722.pdfIn PDF document text
  • http://strandedtattoo.net/file/jowakimaxeb.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/6naE_Nh8_CY/uplcv?utm_term=visual+protein+synthesis+worksheet+answersPDF 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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