Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://krisoc.ru/uplcv?utm_term=my+hip+hurts+from+running PDF link annotation

  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608216660a227---kudoxurenumazu.pdfIn PDF document text
  • http://szkolaprywatnaleszno.pl/userfiles/file/nakebugolefenap.pdfIn PDF document text
  • https://sancarspune.com/wp-content/plugins/super-forms/uploads/php/files/5dbad8fc986df025cb765142fa6553b3/45505175009.pdfIn PDF document text
  • http://buddhavehicle.com/userfiles/file/64760292802.pdfIn PDF document text
  • https://discoverapartmentsforrent.com/wp-content/plugins/super-forms/uploads/php/files/2b4b82caf954c8c3cf78d356f593a1e0/71010162970.pdfIn PDF document text
  • https://ensasoft.com.tr/wp-content/plugins/super-forms/uploads/php/files/4l8qihj1d6t4mnq93j70jl5vti/40669044394.pdfIn PDF document text
  • https://www.kalirich.com/wp-content/plugins/super-forms/uploads/php/files/q1cjeltchii9jgvd5raos5dqv6/zozulexukojofimaredis.pdfIn PDF document text
  • http://pytextiles.com/userfiles/file/20156800119.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/b69lv1t7v6m8lid7gipehkl7l1/77615239353.pdfIn PDF document text
  • http://www.homefacelifters.com/wp-content/plugins/super-forms/uploads/php/files/160ad9a7e343650d9296933b6b1d2587/parovowiv.pdfIn PDF document text
  • https://sharenkon.com/files/vowebobojejenexu.pdfIn PDF document text
  • http://www.holderit.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094a4cb22fa5---57859174753.pdfIn PDF document text
  • https://myhoorayhealth.com/wp-content/plugins/super-forms/uploads/php/files/a05ok3a1dssbdsrvbf2f7rier4/87172208660.pdfIn PDF document text
  • https://www.die-umzugsfabrik.com/wp-content/plugins/formcraft/file-upload/server/content/files/16124ad4e7910d---gowerotenex.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c01ad3dc410---lafikawegafaladibagek.pdfIn PDF document text
  • https://www.ogblfrontaliers.fr/wp-content/plugins/super-forms/uploads/php/files/l0og90m9komha74lmbvso37vmh/80297687806.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/7f3966a981d0093cf995e8fd971fb450/wakejekefepowi.pdfIn PDF document text
  • https://msr-hudsonproperties.com/wp-content/plugins/super-forms/uploads/php/files/6d32cc1e7f1e351d3633539f34c8132c/vozegopexubefezu.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/fokadebilizopaj.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e4bccdb0645---88987825499.pdfIn PDF document text
  • http://myphamlulanjina.com/upload/files/lakofakenome.pdfIn PDF document text
  • https://www.reliancecareuk.com/wp-content/plugins/super-forms/uploads/php/files/6c5d635a1b19f41df7b09c5440eebd25/92230874391.pdfIn PDF document text
  • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/1612503c17685f---261049836.pdfIn PDF document text
  • https://morethancleaningservices.com/wp-content/plugins/super-forms/uploads/php/files/628152a141dcd146de42d0aeafb0e054/58022081062.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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