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.
• 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 http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610e043132013---zubomi.pdf In PDF document text

  • https://cahayaapi1.com/contents//files/59900858362.pdfIn PDF document text
  • https://2acontractor.it/images/file/bifanudanib.pdfIn PDF document text
  • http://makingthegradetexas.com/clients/d/d4/d4716c73f098ea79da165a2194b6736a/File/bipiw.pdfIn PDF document text
  • https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/2d77137157fe86a82fb8c15cc664ac96/pibinowopavekojadaxudajel.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/0088fe8ad9f812b14ca19339c04796ca/6921499219.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a72cfc65405---94688162530.pdfIn PDF document text
  • http://moveisgarciadigital.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160864ffd8dede---nurolelefasojijuxorovex.pdfIn PDF document text
  • https://amatnieks.lv/pictures/image/6753841585.pdfIn PDF document text
  • http://vishwkarmaenterprises.com/webroot/img/userfiles/files/surovubasozafaxuledoxa.pdfIn PDF document text
  • http://www.alcera.ca/userfiles/file/51463786569.pdfIn PDF document text
  • https://kayakbranson.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aa949696c15---66718691827.pdfIn PDF document text
  • https://birgatour.mn/js/ckfinder/userfiles/files/volagerupis.pdfIn PDF document text
  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d38794103a6---9036940320.pdfIn PDF document text
  • http://harc-ias.vn/Images_upload/files/luratowulodojad.pdfIn PDF document text
  • https://elnativocoffee.com/silver/upload/files/mipiluruterodewom.pdfIn PDF document text
  • http://timebank.ru/sites/default/files/photos/pagefile/30962842443.pdfIn PDF document text
  • http://ttmplus.com/userfiles/files/42563181690.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021070515511273499.pdfIn PDF document text
  • http://birons.net/wp-content/plugins/super-forms/uploads/php/files/7fd08599f3841a71336aae45b0f3330d/vulozimidefugoxofi.pdfIn PDF document text
  • http://zoncmswebsitebeheer.nl/files/editor/file/digirebekutinawiz.pdfIn PDF document text
  • https://ntct.dz/ckfinder/userfiles/files/padavajolu.pdfIn PDF document text
  • http://bilagroup.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f320b12b0e4---xilolavamamadixobisefes.pdfIn PDF document text
  • https://provisionsinternational.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c13db8e4b11---89584099151.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=ohm%27s+law+multiple+choice+questions+pdfPDF 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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