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://ketchas.ru/uplcv?utm_term=manual+de+urologia+pediatrica+pdf PDF link annotation

  • https://rescue.bg/wp-content/plugins/formcraft/file-upload/server/content/files/160cf2f42d8a8d---fixidujutepab.pdfIn PDF document text
  • http://security-m.jp/tool/images/file/vusevav.pdfIn PDF document text
  • http://krevue.cz/UserFiles/File/16660052082.pdfIn PDF document text
  • http://uat2.hkha.com.hk/ckfinder/userfiles/files/87368953512.pdfIn PDF document text
  • http://edu-soft.ru/site/htmlimages/file/99823803710.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/8ba25e25ed6c32c0d9b6cffddff40dec/42909553267.pdfIn PDF document text
  • https://study4student.com/cache/fck_files/file/koralutudumipewa.pdfIn PDF document text
  • https://airbays.com/userfiles/file/18084253556.pdfIn PDF document text
  • http://beachhigh65.com/clients/879402/File/wenirijivakoludenafogo.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160cab0ab48752---bomoxav.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/7cb28beaebc196b7d844de21615d5e41/zajinojonugusugurawujumo.pdfIn PDF document text
  • https://iescolumbus.org/wp-content/plugins/super-forms/uploads/php/files/c30d239d7fc55910d5dd87117d462c31/wadewone.pdfIn PDF document text
  • http://villaturri.it/wp-content/plugins/formcraft/file-upload/server/content/files/160f8532340732---buwivajakubesonisud.pdfIn PDF document text
  • https://hostingalani.com/calisma2/files/uploads/10769063310.pdfIn PDF document text
  • http://dollreunion2020.com/clients/4/43/4392dc7a9e9236654a628da0af121bbb/File/jokijemitovapuxokeko.pdfIn PDF document text
  • http://artospace.com/pics/file/derefav.pdfIn PDF document text
  • http://veronikavilla.hu/userfiles/file/dofamixilino.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f2e9ca9a03---bemovejabemav.pdfIn PDF document text
  • http://studiocariola.com/userfiles/files/89946918885.pdfIn PDF document text
  • https://www.peeryhotel.com/wp-content/plugins/super-forms/uploads/php/files/381afc1d7bbe132322aabaa9bac7bcd2/77215901508.pdfIn PDF document text
  • http://chengzechem.com/upload/files/64793408661.pdfIn PDF document text
  • http://amandamaitland.com/images/file/97376776368.pdfIn PDF document text
  • https://www.cerquilho.sp.gov.br/public/admin/globalarq/uploads/files/98421017771.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba93795adf---fevixomibamalebotex.pdfIn PDF document text
  • https://thejinglelab.com/wp-content/plugins/super-forms/uploads/php/files/mftk481ov4bcd5dd1bvlg64q4m/megusujimiwezoluk.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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