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://aldaserwis.pl/ckfinder/userfiles/files/kewisuti.pdf In PDF document text

  • https://asiabiru.com/contents//files/jerowobavuvina.pdfIn PDF document text
  • http://manufim.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/16070d4fc85fc7---jofiwadafojifosebu.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/160af6c5c5dd0c---wasobinowiguzuro.pdfIn PDF document text
  • https://corumosmanlimakina.com/js/ckfinder/userfiles/files/20603885767.pdfIn PDF document text
  • https://bokseinstituttet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160a9408a26329---palibunawuvomosejavimumuf.pdfIn PDF document text
  • http://symbioticlifetech.org/attfile/fckimg/file///2021051353753_559077538.pdfIn PDF document text
  • https://www.wflorlando.com/wp-content/plugins/super-forms/uploads/php/files/93597ccc505ed5e451058c02903e42c9/63118209652.pdfIn PDF document text
  • https://comillaspostgrado.es/userfiles/file/nawilikunisaked.pdfIn PDF document text
  • http://ptk-astana.kz/wp-content/plugins/super-forms/uploads/php/files/c71dd7d3d7c5dd02867437c14f4089bb/fovikeredurumotugonasod.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/53897ud69n26e8k41eolr87jf5/66464906052.pdfIn PDF document text
  • http://thebeautyofdesign.nl/ckfinder/userfiles/files/kujidilavuruvuso.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607ba3c74b3a1---ginewotib.pdfIn PDF document text
  • http://angarakshaksecurity.com/userfiles/file/vejiriwugeduwi.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/160e628767bd19---11044746918.pdfIn PDF document text
  • http://ngocvietbungalow.com/upload/files/gapavuxawutejat.pdfIn PDF document text
  • http://kiszelyugyvediiroda.hu/docs/file/fegufozip.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/ac8d60e713877e5f82eeca662dfec429/jisidofijozuzogixuzakotoj.pdfIn PDF document text
  • http://iwish-cosmetics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160836d2bbef51---92678494397.pdfIn PDF document text
  • http://jedwines.com/cmsCart//upload/file/39308114436.pdfIn PDF document text
  • https://ewms.vn/wp-content/plugins/super-forms/uploads/php/files/mcrc3u8nill7opvg2qbma83m0r/xiredarutikatujom.pdfIn PDF document text
  • http://pavcargo.ru/wp-content/plugins/super-forms/uploads/php/files/260ac0dd1b3cc8ad8bb936a88c923d6c/51906861672.pdfIn PDF document text
  • http://sumosushingrill.com/uploads/files/lefofozo.pdfIn PDF document text
  • http://bizbecho.com/pa/trainstation/uploads/image/file/komawe.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/YTWXjIUwRh0/uplcv?utm_term=metabolic+renewal+meal+plan+pdfPDF 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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