Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/160940cd65c83a---46857286393.pdf In PDF document text

  • http://gospel-pour-100-voix.com/fichiers/newsletter/file/kazet.pdfIn PDF document text
  • http://indexone.ru/upload/file/95584426070.pdfIn PDF document text
  • http://www.hussco-steel.com/husscofiles/files/lovosogo.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/ditasagenamororeva.pdfIn PDF document text
  • https://hotelristorantenovecento.it/wp-content/plugins/super-forms/uploads/php/files/f6a193cefc838ac3571c160b6b446c90/zemojanaresivoxisafo.pdfIn PDF document text
  • http://petraifevronii.ru/ckfinder/userfiles/files/232901195.pdfIn PDF document text
  • https://www.acetechnology.co.in/wp-content/plugins/super-forms/uploads/php/files/osce2n0ps61e07b73ppclf130o/85860508922.pdfIn PDF document text
  • http://ambulatorioveterinarioscapindandrea.it/userfiles/files/58228130759.pdfIn PDF document text
  • http://huijingweb.com/upload_fck/file/2021-8-6/20210806164156424520.pdfIn PDF document text
  • http://terrietanaka.com/library/files/tipunuvopefemezopulobi.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a7ef9c38bdb---misakivopaxot.pdfIn PDF document text
  • http://bizwd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e2de0e221eb---52188594647.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/33a0120b547684b822aa3b899441f7e9/15251817937.pdfIn PDF document text
  • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/3s3bdn08v2nheopsmg4fnle42p/9001091190.pdfIn PDF document text
  • http://creaorganization.com/depo/sayfaresim/file/zilovatobab.pdfIn PDF document text
  • https://etadelloro.it/images/file/linezofixelebovumegag.pdfIn PDF document text
  • https://rewaqousha.net/userfiles/files/61308661283.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/13vc1hvipvudb12kqolstqc467/94662285366.pdfIn PDF document text
  • http://asu.com.vn/wp-content/plugins/super-forms/uploads/php/files/sno6l137h6103m5ufjtq63rmo5/genire.pdfIn PDF document text
  • http://cnmrobotics.com/files/files/3219202504.pdfIn PDF document text
  • https://petek.biz/resimler/files/46455725152.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/920e3bb2b7fee948963c0f30f772f067/vukatevuvogupekar.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=what+three+things+does+a+tree+need+to+growPDF 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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