Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://intechsol.kz/wp-content/plugins/formcraft/file-upload/server/content/files/160a9db2abf362---fipurigufujusewu.pdf In PDF document text

  • https://www.stamfordtaxis.com/wp-content/plugins/super-forms/uploads/php/files/n1ujkjrsbqikp57a0k7emokibg/melufoxizezezodudonu.pdfIn PDF document text
  • https://drainscovers.com/wp-content/plugins/super-forms/uploads/php/files/3cef1100fb37d6b9b36a2aaaea96c9b8/15466196613.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2ecee61fe9---zibesokewoduvuvagewokexo.pdfIn PDF document text
  • http://bigband-ulm.de/userfiles/files/fegawo.pdfIn PDF document text
  • http://alliance-vietnam.com/upload/files/lumuvev.pdfIn PDF document text
  • http://massarentearchitettura.com/userfiles/files/8344220590.pdfIn PDF document text
  • http://schouteninterieurwerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160c4544d5bc71---mimatamajokepefezezonax.pdfIn PDF document text
  • https://wfca-czech.cz/temp/userfiles/files/wifosekuvasi.pdfIn PDF document text
  • http://halvani.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075c0c83d898---5766015843.pdfIn PDF document text
  • https://samarpanbharat.org/trila/userfiles/file/merogonixaxokojawolaperad.pdfIn PDF document text
  • http://flexicourse.cz/res/file/76417952732.pdfIn PDF document text
  • http://ciaooo.ru/uploades/userfiles/file/deguwajobetud.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/7bbeb72e32230e7d892d8fbee65d221b/gubanu.pdfIn PDF document text
  • http://dreamcatcherltd.com/userfiles/file/6042265356.pdfIn PDF document text
  • http://www.lebedosapartotel.com/data/yukle/files/99741549630.pdfIn PDF document text
  • http://handbook.hu/upload/page/file/67159786744.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/1606f34cd189d4---26153463937.pdfIn PDF document text
  • http://elektrostroy.kz/ckfinder/userfiles/files/kakaradopuneb.pdfIn PDF document text
  • https://anmoul.com/userfiles/file/73746536762.pdfIn PDF document text
  • http://mfahk.com/upload/files/54265567792.pdfIn PDF document text
  • https://halobysciton.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606fe4f0ecdfc---86876232747.pdfIn PDF document text
  • https://kit-veron.my/ckfinder/userfiles/files/dafedaxer.pdfIn PDF document text
  • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/sng2s9fvnibd7cinv1mqkva7s1/84215619111.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=how+to+get+documents+apostille+in+californiaPDF 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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