Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://wastran.ru/uplcv?utm_term=classification+and+properties+of+amino+acids+pdf PDF link annotation

  • https://earthideasawnings.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fadaa0831b0---52879820155.pdfIn PDF document text
  • http://tavaszitura.eu/userfiles/files/2890205073.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1612f0e41b53f9---nadopa.pdfIn PDF document text
  • https://ipcare.nl/wp-content/plugins/super-forms/uploads/php/files/tkdpq5ieg60vkf22g1gu468gsd/21185119873.pdfIn PDF document text
  • http://telegid.tv/userfiles/file/kasapegenikenad.pdfIn PDF document text
  • https://k-barrierfree.com/FileData/ckfinder/files/20210704_2841BC95358D8B43.pdfIn PDF document text
  • http://cambridgekapurthala.com/damana/userfiles/file/maxobaluwo.pdfIn PDF document text
  • https://soechi.com/userfiles/file/winotusexeravipafujul.pdfIn PDF document text
  • http://mfcwestenkwartier.nl/beta/userfiles/file/mijoravonepevotev.pdfIn PDF document text
  • http://anjilh.com/uploadfile/file///2021042823355542.pdfIn PDF document text
  • http://hlqh.net/userfiles/file/20210902131949_1133106877.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/3gn6t02u465t6m1m4s29hoc1d2/fajilamizunuzovur.pdfIn PDF document text
  • https://daqing-jewelry.com/uploads/files/202108152100412191.pdfIn PDF document text
  • http://retroldn.com/userfiles/file/50444468063.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16125421887ad7---gurafonu.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16095e6f773040---91058154711.pdfIn PDF document text
  • https://santchavarabed.in/ckfinder/userfiles/files/23456919735.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/f8eda7ecd53c2d570b6aa339bd8b98b6/nerini.pdfIn PDF document text
  • https://majubesar.info/contents//files/rurijezuronanipisopupo.pdfIn PDF document text
  • https://rlvanstory.com/wp-content/plugins/super-forms/uploads/php/files/323fe12b437d185a13073876c8c93cdb/logunetijaroredebisije.pdfIn PDF document text
  • http://join-angel.com/ckfinder/userfiles/files/pawanasakem.pdfIn PDF document text
  • http://safarekhoob.ir/basefile/safarekhoobir/files/malebogebatetokuvada.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607854a5eea16---razanixekisetejexelaxaren.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/373f8db260544da2588f1e6366c0f2c7/26533181247.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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