Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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 http://bourgogne.annuaire-regional.com/ckfinder/userfiles/files/64194187312.pdf In PDF document text

  • http://xn--h49al71atridzo.com/userData/board/file/19540935815.pdfIn PDF document text
  • https://www.liftechforklifts.com.au/application/third_party/ckfinder/userfiles/files/famugukoderesojajelunopif.pdfIn PDF document text
  • http://wx-test.com/upload/ckimg/files/202109081647547623.pdfIn PDF document text
  • http://wittymall.com/multimedia/userfiles/file/76763334202.pdfIn PDF document text
  • http://showpelec.com/data/file/20210909_183526_567.pdfIn PDF document text
  • http://shortguycentral.com/ck_uploads/files/13722582618.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/morana.pdfIn PDF document text
  • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/4a7o3kpc810s8el0i33t8jufd0/repezekelelozilobap.pdfIn PDF document text
  • http://tantex.org/tantex/tantexuserfiles/file/86357405982.pdfIn PDF document text
  • https://dailyhondaotomientay.com/upload/files/43663182874.pdfIn PDF document text
  • https://hopclickhospitality.com/scgtest/team-explore/uploads/files/29758741860.pdfIn PDF document text
  • https://bluetact.com/locktactyuma/userfiles/file/dagudul.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/2822635100.pdfIn PDF document text
  • https://dentinale.eu/wp-content/plugins/super-forms/uploads/php/files/07ba24286ead604c8492bffd3c088ea1/zizatojadad.pdfIn PDF document text
  • http://www.chiringuitomediterraneo.com/ckfinder/userfiles/files/81742221901.pdfIn PDF document text
  • http://albertf.madteam.net/ckfinder/userfiles/files/mefub.pdfIn PDF document text
  • https://vidaleve.ind.br/ckfinder/userfiles/files/dovup.pdfIn PDF document text
  • https://polandpools.com/contents/files/96542643197.pdfIn PDF document text
  • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614334d80cfc1---33355925408.pdfIn PDF document text
  • https://riminabda.sk/userfiles/file/98626810174.pdfIn PDF document text
  • https://www.formwork.co.uk/wp-content/plugins/super-forms/uploads/php/files/v2o4aljhc22mhkgk51antb9vkl/litelijumi.pdfIn PDF document text
  • http://sterenstein.ru/userfiles/file/dadaw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=how+to+cut+and+merge+songs+in+androidPDF 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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