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
• Brand-impersonation credential phishing lure high SE_BRAND_CREDENTIAL_PHISH
  Document impersonates a well-known consumer brand and uses account-security / verification language ('unusual activity', 'account on hold', 'verify your account') to steer the reader to a credential-harvesting link. Corroborated by: call-to-action link host does not match the impersonated brand: https://chcial.ru/uplcv?utm_term=hoga+toga+free+fire+hack.
• 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://chcial.ru/uplcv?utm_term=hoga+toga+free+fire+hack PDF link annotation

  • https://pluviaterra.mx/wp-content/plugins/super-forms/uploads/php/files/2c1e184470ca865ef86ca485b0872a1e/64640439937.pdfIn PDF document text
  • http://aallergy.friend-match.com/upload/files/38333033539.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613850b124697---neregukumiwuxi.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16138881eee4a7---50759273685.pdfIn PDF document text
  • http://kondicionery-lubertsy.ru/upload_picture/file/9334331008.pdfIn PDF document text
  • https://jdbailbonds.com/wp-content/plugins/super-forms/uploads/php/files/40896bcd1e14d7f4915441b401994bd1/lipabibumomudubusid.pdfIn PDF document text
  • http://aquarium-kochi.com/app/webroot/ckfinder/userfiles/files/sawizep.pdfIn PDF document text
  • http://www.advancedevents.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613c36798f9fe---konebomewuvawibutuweroj.pdfIn PDF document text
  • https://hsegroup.ru/wp-content/plugins/super-forms/uploads/php/files/jg4cujo481rqktp94uo1l66vn2/54260779428.pdfIn PDF document text
  • https://stefandes.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b100e74003---zopamojuvula.pdfIn PDF document text
  • http://tongshengchem.com/ckfinder/userfiles/files/doxasogafagonuzifik.pdfIn PDF document text
  • http://kes.org/upload/editor/files/vodelapipobewomujip.pdfIn PDF document text
  • https://rallstarawards.us/nbloom/fckuploads/file/32002391222.pdfIn PDF document text
  • https://rivieresoceanie.com/userfiles/file/21055495772.pdfIn PDF document text
  • https://zmiz.hr/userfiles/file/80332992162.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__6141A54BBC041.pdfIn PDF document text
  • https://tanhaithanhvalves.com/quangcao/admin/file/zevuroxukubiza.pdfIn PDF document text
  • https://rajaketiga.com/contents/files/75670839121.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/2a182e9ba3a1a4e2b9d0cb42c7bf581c/zugisuzatojosopazazem.pdfIn PDF document text
  • https://agriplan-rs.com/dados/ckfinder/files/89356058533.pdfIn PDF document text
  • http://neteyes.eu/editor_up/wevavepigexigekizogup.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1613baec714610---12129997492.pdfIn PDF document text
  • https://mimpidia2.com/contents/files/15956977626.pdfIn PDF document text
  • http://autosoftware.company/autoresponders_images/files/kigofumotalo.pdfIn PDF document text
  • http://moonlightmontessori.com/upload/files/zuxasuvugarogubilive.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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