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 https://pistant.ru/uplcv?utm_term=codigo+processo+penal+comentado+pdf+download PDF link annotation

  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1608a00ac44040---kinifam.pdfIn PDF document text
  • http://brodart01.com/wp-content/plugins/super-forms/uploads/php/files/4kea0ioc53rg5k544qqr5iib29/74359109954.pdfIn PDF document text
  • http://www.studiolegalefusimorelli.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bd1bdb67bf4---4028843070.pdfIn PDF document text
  • http://ourdesign.hk/ckfinder/userfiles/files/3017600188.pdfIn PDF document text
  • https://gamletaarnhuset.no/wp-content/plugins/formcraft/file-upload/server/content/files/160afd4512ff7c---85790735075.pdfIn PDF document text
  • https://capecoralliving.com/media/file/nelulovilerizogo.pdfIn PDF document text
  • http://teusz.pl/UserFiles/file/sutuvutowomabomol.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/zubunulel.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b1df322ac81---47088634518.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/2aa390e4d4e628761d44bc87fa2b3bb4/bebibadiwuzi.pdfIn PDF document text
  • http://akinmedical.com/uploads/file/zexonujaxisir.pdfIn PDF document text
  • https://unique.global/wp-content/plugins/super-forms/uploads/php/files/a2bfe0cbc58a8bdb4ba4c22b1e15bd19/11456082927.pdfIn PDF document text
  • http://luberoff.com/userfiles/file/40428126202.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/50842673667.pdfIn PDF document text
  • https://khmernative-rice.com/userfiles/file/60274962678.pdfIn PDF document text
  • http://mindentudor.hu/userfiles/file/kugokekofakerepawabiguga.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/buveruzetodosenejafefev.pdfIn PDF document text
  • https://sbsoftware.ro/admin/userfiles/file/8673436585.pdfIn PDF document text
  • https://www.analfissur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079262cf0ff7---79899600529.pdfIn PDF document text
  • http://hermanosgolbano.com/admin/fckeditor/editor/filemanager/connectors/phpfile/zogamexeluj.pdfIn PDF document text
  • https://flardochform.se/userfiles/file/13605234615.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16087e43e5c059---64575230783.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c1d390225d5---jigemazedupigo.pdfIn PDF document text
  • http://ikhmongol.mn/ckfinder/userfiles/files/fodujabilunorakiguja.pdfIn PDF document text
  • http://stalmost.pl/userfiles/file/luzinesifumologumar.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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