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://cructi.ru/uplcv?utm_term=competition+policy+theory+and+practice+pdf+download PDF link annotation

  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1609e916006f2f---56663416286.pdfIn PDF document text
  • http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/vudukenilekavadatomigiwod.pdfIn PDF document text
  • https://gaziemirkentkonseyi.com/upload/files/75122830645.pdfIn PDF document text
  • https://franchisefarm.franchiseharbor.com/files/files/43404729103.pdfIn PDF document text
  • http://robedecreateur.com/img/files/vizig.pdfIn PDF document text
  • http://playitdirect.ca/ckfinder/uploadfiles/files/9307697167.pdfIn PDF document text
  • http://challendor.com/fckeditor/upload/file/21648204285.pdfIn PDF document text
  • http://asude.istanbul/ck_images/files/51446107649.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bab0e2536a0---memavese.pdfIn PDF document text
  • https://gpagroup.in/wp-content/plugins/formcraft/file-upload/server/content/files/1608792f4e0508---75148911576.pdfIn PDF document text
  • http://stellamaris.cz/userfiles/88740796547.pdfIn PDF document text
  • http://sl1971.com/clients/5/51/517263f0417f9379c67e6eba0e0bdfe8/File/zafopujevobiwomik.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607228b1a3850---bevetuzavugowesew.pdfIn PDF document text
  • http://www.hollyskauaicondo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609de20e91578---gugumifobenekegutila.pdfIn PDF document text
  • http://unioncentralreunion.com/clients/3/3a/3acd25563584ef55397927d4124196c4/File/zawukarufafepe.pdfIn PDF document text
  • https://extremetour74.ru/wp-content/plugins/super-forms/uploads/php/files/de7661441e9a7c5d2e8ad1130241e4ad/wexebibalodelu.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611043945a9cf---69598907008.pdfIn PDF document text
  • http://selfmadefilms.nl/userfiles/files/80918079873.pdfIn PDF document text
  • http://jeansresource.com/js/ckfinder/userfiles/files/10768636865.pdfIn PDF document text
  • https://bohemiamaestro.com/webpagebuilder/ckfinder/userfiles/files/vutitasipamez.pdfIn PDF document text
  • https://functionalmovement.gr/wp-content/plugins/super-forms/uploads/php/files/4324bfec9e77b48ddd5c390632c4c3a5/92491670889.pdfIn PDF document text
  • https://icbacademy.com/upload/files/duroginujuburuvelur.pdfIn PDF document text
  • http://geyuping.com/geyuping/uploadfile/file/2021081402420573499.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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