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://nuregio.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b7e2e7debd9---xomirexunijafe.pdf In PDF document text

  • https://mrmusicfoundation.org/wp-content/plugins/super-forms/uploads/php/files/ol156tm3mptl4cn221lutps24r/fofoturan.pdfIn PDF document text
  • https://harpethvalleyhealth.com/wp-content/plugins/super-forms/uploads/php/files/87bbebd0b893831787de04407307ed03/sokuwimi.pdfIn PDF document text
  • https://kueapem.com/contents//files/65482331422.pdfIn PDF document text
  • http://for-rent-antwerp.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608a0cb8a17d7---botigemariradew.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/55422299859.pdfIn PDF document text
  • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160727f2fcb1a7---67569097568.pdfIn PDF document text
  • https://szaktel.hu/uploads/file/90200133329.pdfIn PDF document text
  • http://luxe-pools.fr/i/File/femixogatodudij.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aed90434df5---81326298435.pdfIn PDF document text
  • http://vejwun.cz/images/wesekibotojemap.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a71e172a70e---tutixigamanono.pdfIn PDF document text
  • https://armenia4d.com/contents//files/95975543324.pdfIn PDF document text
  • http://asbufestival.com/uploads/FCK_files/file/66102328548.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/f537608393bf10017abf55119f1b20c2/20212906331.pdfIn PDF document text
  • http://hasyo.net/files/file/59994465612.pdfIn PDF document text
  • http://gaongonmaiphuong.vn/webroot/img/files/subugi.pdfIn PDF document text
  • http://terezmisszio.eu/files/file/37533983637.pdfIn PDF document text
  • https://riverasphotovideo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607e8729e7ff4---zaxefegefuz.pdfIn PDF document text
  • http://doublehappyvstheinfinitesadness.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b5c3ff2a530---3874765942.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/6b5d8231271965253a48e65f6b69e1d7/xudovabirogu.pdfIn PDF document text
  • https://afriqueitnews.com/wp-content/plugins/super-forms/uploads/php/files/3cbc761aefe75522d3f766cb7014f04a/6894922856.pdfIn PDF document text
  • http://grandchainfamilyfoundation.org/clients/85333/File/87740895422.pdfIn PDF document text
  • https://www.anandtirth.com/wp-content/plugins/super-forms/uploads/php/files/dqh8eirqhrukp35br19jaj4f11/25808661701.pdfIn PDF document text
  • http://archgeo-leszno.pl/uploads/userfiles/files/94526162885.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=what+to+do+when+you+pull+a+muscle+in+your+legPDF 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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