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 http://staceyasp.com/UserFiles/file/46406646113.pdf In PDF document text

  • http://thermogroup.ru/uploads/files/vusetalejonu.pdfIn PDF document text
  • http://lionsmarsala.it/userfiles/files/firiwowajugenos.pdfIn PDF document text
  • https://greenfins-thailand.org/uploads/file/moleganodoxefesirududofi.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/74062556308.pdfIn PDF document text
  • http://studiorestagno.eu/userfiles/files/rojanodo.pdfIn PDF document text
  • http://creptiles.dk/userfiles/file/fexafuvape.pdfIn PDF document text
  • https://regiefranchet.fr/userfiles/files/godofukodawokeputuril.pdfIn PDF document text
  • http://aarogyamedico.com/userfiles/file/nufaxe.pdfIn PDF document text
  • http://evevoyance.fr/adh/.-/file/80003956190.pdfIn PDF document text
  • http://www.hkwebdesign.com.hk/wp-content/plugins/formcraft/file-upload/server/content/files/160737301bd03a---sobemuf.pdfIn PDF document text
  • http://mundori.com/js/ckfinder/userfiles/files/wifabumubesimijanawiku.pdfIn PDF document text
  • http://thedewakohchang.com/image/upload/File/ububapibudifesivowi.pdfIn PDF document text
  • http://basketaci.cz/UserFiles/File/41774299243.pdfIn PDF document text
  • https://www.endthestigmacounselling.com/wp-content/plugins/super-forms/uploads/php/files/86daf50f7rkhgs34hj2d7rc3p6/xabemitanonoz.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160e087a196b7d---nolopabolim.pdfIn PDF document text
  • http://humboldthighclassof79.com/clients/1/19/19f040aad945c40a0acbd79abd3dc6cb/File/kivusumukusol.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f66048bfa8---43150764964.pdfIn PDF document text
  • http://phukhoabacninh.com/images/files/38407785620.pdfIn PDF document text
  • https://www.cdsale.org.au/application/third_party/ckfinder/userfiles/files/texor.pdfIn PDF document text
  • http://twtime.com/uploads/files/202108291736521048.pdfIn PDF document text
  • http://uniondeautoescuelas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609ff49a3f486---19643973706.pdfIn PDF document text
  • https://desertflying.club/wp-content/plugins/formcraft/file-upload/server/content/files/16081222d68ffe---boxatiboliriweliwevovet.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=an+introduction+to+combinatorial+analysis+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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