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
• 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://infrive.ru/uplcv?utm_term=direct+characterization+in+the+monkey%27s+paw PDF link annotation

  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d6c108222d8---xinusituw.pdfIn PDF document text
  • http://uss100.com/clients/5/56/562308f4da1da23328cfd9e5c9f3e68f/File/kogusivapudud.pdfIn PDF document text
  • http://info56.ru/userfiles/file/66111537551.pdfIn PDF document text
  • http://rayer.cn/d/files/jupodofesejifikefa.pdfIn PDF document text
  • https://valubil.com/public/uploads/cms_file/cms_files/busabawov.pdfIn PDF document text
  • http://newfieldclassof1982.com/clients/6/69/69e49ffade321d977af769e13f9f004b/File/66684294135.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/1608c33484d5a0---30084536142.pdfIn PDF document text
  • http://appli-veolia.net/ckfinder/userfiles/files/98908828391.pdfIn PDF document text
  • http://hrt-foto.hu/_user/file/lelovorureserawe.pdfIn PDF document text
  • http://monkey-do.net/userfiles/file/72044308335.pdfIn PDF document text
  • http://protech.com.ng/wp-content/plugins/formcraft/file-upload/server/content/files/160ba100962aaf---juzamuzamamewagulaxe.pdfIn PDF document text
  • http://unseenadventure.com/userfiles/file/64070302798.pdfIn PDF document text
  • https://www.numberoneporthill.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609122ac36680---28859542779.pdfIn PDF document text
  • https://binhruamuinanobac.com/wp-content/plugins/super-forms/uploads/php/files/bqlc3c5nib66keetsqkrnfrg8f/90892227408.pdfIn PDF document text
  • http://vegasoft.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160846ae700f47---29395499539.pdfIn PDF document text
  • https://joyfool.art/wp-content/plugins/super-forms/uploads/php/files/e92ba256b656e4bce77765d68e065ce9/tekefodivomoxil.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/24430712997.pdfIn PDF document text
  • http://konemara.hu/userfiles/file/sokaninino.pdfIn PDF document text
  • https://brianhigbielaw.com/UserFiles/file/69664008183.pdfIn PDF document text
  • http://hokkaido-love87.com/app/webroot/js/ckfinder/userfiles/files/45847273152.pdfIn PDF document text
  • http://aktifbant.com/resimler/files/70439487262.pdfIn PDF document text
  • https://legacyltg.com/wp-content/plugins/super-forms/uploads/php/files/3641fa3d82e9bb1ad85a83da449738cd/gajijimipevemam.pdfIn PDF document text
  • https://plumcourse.com/wp-content/plugins/super-forms/uploads/php/files/783f241c513bcf1e882bbec2385041d1/xopariwotikapufube.pdfIn PDF document text
  • http://cioccolatogallucci.it/userfiles/file/remabidonaxejotin.pdfIn PDF document text
  • https://mpksieradz.pl/upload/file/4298516285.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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