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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://wastran.ru/uplcv?utm_term=ez+stars+injector+mobile+legends PDF link annotation

  • http://diversecityuk.com/userfiles/file/90123792932.pdfIn PDF document text
  • https://thietbivesinhanhhuy.com/asset/files/32841698477.pdfIn PDF document text
  • http://old.smartplus.pl/ckfinder/userfiles/files/tedaborujuki.pdfIn PDF document text
  • http://olymp-kiev.com/temp/fckeditor/file/takukibogopu.pdfIn PDF document text
  • http://www.holzbau-hoelzl.at/wp-content/plugins/formcraft/file-upload/server/content/files/16135113ae32ae---jesinaxoteta.pdfIn PDF document text
  • https://nutrishop.in/ci/userfiles/files/laseti.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/397a42c3d517fc15339346cf33c771e1/83769457611.pdfIn PDF document text
  • http://kovacsoltvaskerites.hu/images/file/332543952.pdfIn PDF document text
  • http://unipell.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16131ae2ada735---kuneximigadoburuliwo.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613627110ac61---92027696965.pdfIn PDF document text
  • http://erictex.com/ufiles/files/57736318207.pdfIn PDF document text
  • http://www.bluefashion.cz/ckfinder/userfiles/files/kefurazilevobev.pdfIn PDF document text
  • http://www.fsnn.se/wp-content/plugins/formcraft/file-upload/server/content/files/16131016c24b65---89426679110.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/gon092hgmkt5df0umied3qlbja/sojutax.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1613905df9c4d3---rofutepesazajime.pdfIn PDF document text
  • https://calson.garment-pro.com/ckfinder/userfiles/files/53321152064.pdfIn PDF document text
  • https://dintek.eu/uploads/file/walavojon.pdfIn PDF document text
  • https://pacie.vn/web/uploads/files/jozakif.pdfIn PDF document text
  • https://burstallconrad.com/editor_files/file/komerakofame.pdfIn PDF document text
  • https://www.sahabatkeluargahomecare.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f35f999c56---33858284660.pdfIn PDF document text
  • http://www.moyekolodin.com/files/93528948151.pdfIn PDF document text
  • http://semihkerpiccilervesupersound.com/upload/file/84633894086.pdfIn PDF document text
  • http://www.hkimm.hk/_bin/ckfinder/userfiles/files/98626157045.pdfIn PDF document text
  • https://www.artikel238.nl/emmwebbit/resources/ckfinder/userfiles/files/60161412923.pdfIn PDF document text
  • https://sagarexpress.com/userfiles/file/todojodejalusikodo.pdfIn PDF document text
  • http://cwesp.biz/upload/file/6878846109.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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