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://crewmak.ru/uplcv?utm_term=angular+mat-datepicker+format+date PDF link annotation

  • http://www.southforconstruction.com/frontend/web/ckfinder/userfiles/files/7762762436.pdfIn PDF document text
  • http://www.juniorcollege.cl/ckfinder/userfiles/files/85215697142.pdfIn PDF document text
  • https://batikatravels.com/userfiles/file/84811828741.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/7467b3ffe9c34e41cd71e26893547395/50199780021.pdfIn PDF document text
  • https://angelsforwarriors.org/userfiles/files/buseva.pdfIn PDF document text
  • http://ajivikafinance.com/userfiles/file/19534484025.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160d36bab19721---29988422599.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/v98u96kck9afpkg9te6cb40246/68710468313.pdfIn PDF document text
  • https://tonwen.org/userfiles/file/wolopewaxopedemadeker.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/9e26ea0b11bc60519aa0aefe23b7bbb1/tafedipifulonepusasarawuf.pdfIn PDF document text
  • http://dellalontra.it/userfiles/files/tokurerutufukewoz.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/qg89ekk27t72o9kd2rhab98v6a/funimiliwafonoxuvita.pdfIn PDF document text
  • http://beepost.vn/upload/userfiles/files/74385551874.pdfIn PDF document text
  • http://stepsforstarlight.org/clients/c/c6/c668404594a1c08d975ab50c7bec58f6/File/levepeseper.pdfIn PDF document text
  • http://1careglobal.com/upload/files/48874699807.pdfIn PDF document text
  • http://poltinik.ru/userfiles/file/50012584908.pdfIn PDF document text
  • http://abapaposentados.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160b4ca043bdab---sijunosuvi.pdfIn PDF document text
  • http://summitremodelinginc.com/userfiles/files/96447372457.pdfIn PDF document text
  • https://bankkartya.hu/js/ckfinder/userfiles/files/13478169185.pdfIn PDF document text
  • https://centar-znr-zop.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160e3ad3c752ec---94598845391.pdfIn PDF document text
  • http://gazosilikatnn.ru/uploads/files/54549795364.pdfIn PDF document text
  • https://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/ea94a1506841cab0c632bb6496760228/73956425286.pdfIn PDF document text
  • http://costanzolegal.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/votetafosuwubaxijexawe.pdfIn PDF document text
  • https://p87.hu/files/50022417477.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/eaaef57963186ae071e92d778806bc63/80516665700.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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