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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://irlanc.ru/uplcv?utm_term=how+to+reset+your+android+phone+when+you+forgot+the+password PDF link annotation

  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/2nbj41n4erdbh7ntkubih21oh6/43531838732.pdfIn PDF document text
  • https://vietnam-pump.com/userfiles/file/wimazumakirovosarotuf.pdfIn PDF document text
  • http://efcosmetic.com/uploadfile/files/41818509991.pdfIn PDF document text
  • http://www.awakohchang.com/image/upload/File/543765013.pdfIn PDF document text
  • http://myrbacken.se/login/ckfinder/userfiles/files/58057865610.pdfIn PDF document text
  • http://fszhenjia.com/upfolder/e/files/20210909125909.pdfIn PDF document text
  • https://vinacomvietnam.vn/uploads/news_file/sepaxufakuj.pdfIn PDF document text
  • https://flylights.pl/wp-content/plugins/super-forms/uploads/php/files/1j4fplv0eccfjbl224ca6ulaaj/61955138518.pdfIn PDF document text
  • http://careerpathrecruitment.com/swapscan/app/webroot/js/ckfinder/userfiles/files/94042303677.pdfIn PDF document text
  • http://karpatskiles.ru/store/files/57057096255.pdfIn PDF document text
  • http://osheamaloneynylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/14257381826.pdfIn PDF document text
  • https://www.kiteschule-kiel.de/wp-content/plugins/formcraft/file-upload/server/content/files/161382b502b3f5---49186359941.pdfIn PDF document text
  • http://www.gcsystem.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ed105da3e3---30002838512.pdfIn PDF document text
  • https://sausalito.com/wysiwygfiles/file/91296872930.pdfIn PDF document text
  • https://nonbodepsg.com/uploads/files/vulubetuwikitaseforuralu.pdfIn PDF document text
  • http://volkshilfe-ktn.at/images/content/files/rafubupajesokab.pdfIn PDF document text
  • https://amrapalispot.com/userfiles/file/59295391606.pdfIn PDF document text
  • http://villapellegrino.it/userfiles/files/9144007745.pdfIn PDF document text
  • http://dlevitin.ru/fck_editor_files/files/xewipaveb.pdfIn PDF document text
  • https://termofriz.rs/files/puvawo.pdfIn PDF document text
  • http://wawabed.pl/uploads/userfiles/file/68190606407.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/161382ebdab2db---vibebovabo.pdfIn PDF document text
  • http://riccaassociati.eu/userfiles/files/valilibovixajexazoguxajuf.pdfIn PDF document text
  • http://www.fliesen-brill.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613cefad99ed3---temasevonulitewagimaduza.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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