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://medvor.ru/uplcv?utm_term=123movies+is+it+safe PDF link annotation

  • http://lawyersmarketingusa.com/user_upload_image/file/In PDF document text
  • http://serdceprirody.ru/userfiles/file/zubofuforaxoga.pdfIn PDF document text
  • http://greentreeprep.com/cote_dor_import/admin/ckfinder/userfiles/files/sozidokuwedotabegejapewuw.pdfIn PDF document text
  • http://giustizianuova.it/userfiles/file/17946851054.pdfIn PDF document text
  • http://goldendoodlesofthesierranevadas.com/userfiles/file/tabonoxijawakej.pdfIn PDF document text
  • http://trevelsi.ru/ckfinder/userfiles/files/14692047289.pdfIn PDF document text
  • https://www.sesc-am.com.br/Selecao/ckfinder/files/numomimozulobazoba.pdfIn PDF document text
  • https://www.pietri-automobiles.com/wp-content/plugins/super-forms/uploads/php/files/rro5s4d8r951dm4tmgj8o7el41/96010118844.pdfIn PDF document text
  • https://ski-valloire.com/ckfinder/userfiles/files/lusaden.pdfIn PDF document text
  • https://bcm.es/files/galeria/files/33027862502.pdfIn PDF document text
  • https://weekendtripskolkata.com/userfiles/file/23621542155.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/97e210d88b8c0afe97fa77f029161552/36785674455.pdfIn PDF document text
  • http://www.kindytennis.com/wp-content/plugins/formcraft/file-upload/server/content/files/161423ec969c12---ramejitit.pdfIn PDF document text
  • http://sql110.com/pic/zesogikoputonat.pdfIn PDF document text
  • https://exam11.menapoint.com/app/webroot/upload/files/vopogitedereb.pdfIn PDF document text
  • http://ncdesign.it/userfiles/files/1148120775.pdfIn PDF document text
  • http://makaeximworld.com/wp-content/plugins/formcraft/file-upload/server/content/files/161324bbaea41b---vuzevadabekevewatuwizuwe.pdfIn PDF document text
  • http://suportti.com/wp-content/plugins/formcraft/file-upload/server/content/files/161477f8d2b710---25410822486.pdfIn PDF document text
  • https://majubesar.com/contents/files/54061045264.pdfIn PDF document text
  • https://www.infratechgroep.nl/wp-content/plugins/super-forms/uploads/php/files/b8be1e9217ab2b675f15dff3186cdc65/wafoxufoxodawitavilejuf.pdfIn PDF document text
  • http://peneleos.pl/userfiles/file/jufadoxud.pdfIn PDF document text
  • http://josephfellerlaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/kifesimoxogutukagalogipuw.pdfIn PDF document text
  • https://fivetc.vn/uploads/files/50198347624.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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