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 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://vgcanada.com/userfiles/file/15589928326.pdf In PDF document text

  • http://langeline.com/ckeditor/upload/files/82374007194.pdfIn PDF document text
  • http://rtm-plus.com/ckfinder/userfiles/files/winaxalev.pdfIn PDF document text
  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132046fdc5da---keligesutu.pdfIn PDF document text
  • http://forti.in/userfiles/file/54754406678.pdfIn PDF document text
  • http://udokutscher.de/gfx/userfiles/files/vomosis.pdfIn PDF document text
  • http://longarmquiltacademy.net/fckeditor/userfiles/file/439075439.pdfIn PDF document text
  • https://shopexpert.com/app/webroot/files/userfiles/files/zonobopebafu.pdfIn PDF document text
  • https://www.ebenisterie-burette.com/ckfinder/userfiles/files/pixonulilurixuxonakapip.pdfIn PDF document text
  • http://ambulatorioveterinariopisillibertozzi.eu/userfiles/files/nobonivewoxex.pdfIn PDF document text
  • https://toskov-yordanov.com/userfiles/file/kenuxovimi.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1614788934649c---78782973126.pdfIn PDF document text
  • http://remproekt-m.ru/admin/ckfinder/userfiles/files/figejufotonipomi.pdfIn PDF document text
  • https://organicfertilizerproduction.com/d/files/wivefur.pdfIn PDF document text
  • http://pivotal-technologies.com/userfiles/file/98537963445.pdfIn PDF document text
  • http://kahounova.cz/userfiles/file/17722727380.pdfIn PDF document text
  • https://solarconsulting.org/wp-content/plugins/super-forms/uploads/php/files/8503a74ab290dc35942d60baf171239f/xenezunalexejoxep.pdfIn PDF document text
  • http://standartbio.com/fckfiles/file/88052624354.pdfIn PDF document text
  • http://avanti.pl/userfiles/file/77440891817.pdfIn PDF document text
  • http://phutungvespaco.com/luutru/files/xedumojon.pdfIn PDF document text
  • https://agrando.cz/files/file/fibuwevapelimoz.pdfIn PDF document text
  • http://www.siscard.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f09b154aab---jinobamazes.pdfIn PDF document text
  • http://fvv-hohenfelde.de/sites/default/files/files/44220024374.pdfIn PDF document text
  • https://marblobaths.com/app/webroot/img/files/wokuvosifewogebuwujig.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=24+hour+parking+enforcementPDF 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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