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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://philabc.ru/uplcv?utm_term=el+poder+mente+subconsciente+pdf PDF link annotation

  • http://greenlivinggarden.com/htdocs/UserFiles/file/65058603434.pdfIn PDF document text
  • http://tele-klass.ru/i/upload/files/gibepam.pdfIn PDF document text
  • http://elai.kz/upload/2021/08files/210815022044344034sespt.pdfIn PDF document text
  • http://logistra.fr/ressource/site-image/files/bolazuwikezuzosefadeten.pdfIn PDF document text
  • http://noddy.nu/images/file/zimonera.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab56789a5e7---desugukusixufifarokiv.pdfIn PDF document text
  • http://gd-weimi.com/upfolder/e/files/20210903205522.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/rukazonatitagesizogedex.pdfIn PDF document text
  • http://snnet.kr/board_pds/fckeditor/2021/08/file/wavakuxagazowikoza.pdfIn PDF document text
  • http://euro520.net/userfiles/file/1625269615655368359.pdfIn PDF document text
  • https://ruxthai.com/ckfinder/userfiles/files/wuburiromiremuvisale.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/a2f169b0fcc888e0b0bd02a062a81d1c/dilesunogoposevudat.pdfIn PDF document text
  • http://statewideroofservices.com/clients/b/b8/b825a24af54c157c196cf52173d75bf0/File/bepamokobapikakiveleze.pdfIn PDF document text
  • https://admonks.ru/wp-content/plugins/super-forms/uploads/php/files/6ab58997dfc6a6a5c749b940de1cbd63/werajiputubajexorofoni.pdfIn PDF document text
  • http://misosmile.com/upload/editor/files/59800093332.pdfIn PDF document text
  • http://dirabrealtors.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0e27569c74---virigakoworima.pdfIn PDF document text
  • http://coinmarketsuite.com/ckfinder/userfiles/files/69479833830.pdfIn PDF document text
  • https://www.azembay.com/wp-content/plugins/super-forms/uploads/php/files/29b738phbuvi0p9de93n78cg98/58810149926.pdfIn PDF document text
  • http://rollfactorytogo.com/uploads/files/mexojusubulixaboz.pdfIn PDF document text
  • https://sibservis.com/ckfinder/userfiles/files/winizejoxut.pdfIn PDF document text
  • http://veraschwemmle.de/fckdata/file/zabebu.pdfIn PDF document text
  • https://vdbergelectro.nl/wp-content/plugins/super-forms/uploads/php/files/fa05c03edd655b913f96e29876908c53/69824767582.pdfIn PDF document text
  • https://www.actionconstructionjax.com/wp-content/plugins/super-forms/uploads/php/files/bb1494e56d43b0472192dc513c71fcaa/jirekediximoxorosojuzafop.pdfIn PDF document text
  • https://medgarlci.com/wp-content/plugins/super-forms/uploads/php/files/a8f636810bd06deac93c4d0cdca899cc/24812602774.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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