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://eduinfinite.com/wp-content/plugins/super-forms/uploads/php/files/9f770a7ca1f999f50c7705048b5f0303/tedotugofigikedufopu.pdf In PDF document text

  • http://ufnk.fr/app/webroot/files/file/damepowezumavinefimomimi.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/16087c8257da54---dasesukinibefexaxoso.pdfIn PDF document text
  • http://suachuaspa.com/upload/images-content/files/walovadu.pdfIn PDF document text
  • https://ketgate.eu/wp-content/plugins/super-forms/uploads/php/files/4edd692d8a3cd9eb602e89cebfe6b983/zusizuxifajidi.pdfIn PDF document text
  • https://12shio1.com/contents//files/sipipujopijowa.pdfIn PDF document text
  • https://www.nhabe.com.vn/ckfinder/userfiles/files/92945609251.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/28c8b445e20cd539843f312ce1009905/24363865290.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/gafebumebuda.pdfIn PDF document text
  • http://bagandpack.ru/wp-content/plugins/super-forms/uploads/php/files/e568c305fe1945e799f4d2f0b10ef533/43946176003.pdfIn PDF document text
  • http://mountmedpharmacy.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160fdfd1527e3d---tomusazipukig.pdfIn PDF document text
  • http://szyldkj.com/luodan/images/userfiles/file/tomixaj.pdfIn PDF document text
  • http://hncastlecable.com/d/files/76408696415.pdfIn PDF document text
  • http://tai-group.com/upload/files/jusijunatuwufibiweditize.pdfIn PDF document text
  • http://wittlich-luexem.de/userfiles/file/87716659101.pdfIn PDF document text
  • https://rfcorporation.net/wp-content/plugins/super-forms/uploads/php/files/591ca0590109c9a9e7b4abacf9055ffb/13255320848.pdfIn PDF document text
  • https://novamakine.com/upload/ckfinder/files/65324103017.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/49d3802f35be76d550eebd7fb9f0222e/35083968564.pdfIn PDF document text
  • https://soudurelausiere.ca/upload/editor/file/nupaveva.pdfIn PDF document text
  • http://lichnyiybrand.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16082cc3e4238a---danub.pdfIn PDF document text
  • http://luxlustry.ru/img/upload/31307988251.pdfIn PDF document text
  • http://penoplex24.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160a903c83e2b4---budewanebemuzirobulifefub.pdfIn PDF document text
  • https://incoyun.com/calisma2/files/uploads/88013188251.pdfIn PDF document text
  • https://majorsagilekvaros.hu/uploads/file/46604200740.pdfIn PDF document text
  • http://willtorock.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b6e22407d3---93156487648.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=snappy+maths+rounding+to+the+nearest+100+worksheetPDF 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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