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 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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://csn-alliance.com/data/files/24542365326.pdf In PDF document text

  • https://sportnazona.bg/f/uploads/files/tobuzixaguk.pdfIn PDF document text
  • https://shidoremicrosys.com/media/fizizewofobitudisafubu.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/f91gng05tcfsfovhf5e9pu22k7/wavoze.pdfIn PDF document text
  • https://sportli.co.il/wp-content/plugins/formcraft/file-upload/server/content/files/1608073bb46c5d---48777436019.pdfIn PDF document text
  • http://xn----7sbakn3aoflleitf3m6a.xn--p1ai/userfiles/file/pemuduwu.pdfIn PDF document text
  • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1609feccce9a7f---risebibelomolatik.pdfIn PDF document text
  • https://www.sabiamente.es/wp-content/plugins/formcraft/file-upload/server/content/files/1607dfb78a666d---rokuzilavejefibanikuxa.pdfIn PDF document text
  • https://lostsoulsmemorialnj.org/wp-content/plugins/super-forms/uploads/php/files/c1fccb9e5f8e995116abe9c26478b366/95086575086.pdfIn PDF document text
  • https://bienenaktuell.com/sites/bienenaktuell.com/files/file/wezuwigaxenebibixepelawuz.pdfIn PDF document text
  • http://thm-holding.ru/wp-content/plugins/super-forms/uploads/php/files/df2ee7160a9325b8e57ab542288126a8/45066618637.pdfIn PDF document text
  • http://bazatalty.pl/wp-content/plugins/super-forms/uploads/php/files/12cbf5d599dc6f85b56a850964ad4e58/41544232325.pdfIn PDF document text
  • https://astoriareiki.com/wp-content/plugins/super-forms/uploads/php/files/4254c94d0a112f50df565c6522d68ba3/76433060220.pdfIn PDF document text
  • http://getem.eu/files/file/jabomopuwudakebobude.pdfIn PDF document text
  • https://eletmodguru.hu/files/files/vusukonadimeduxedopo.pdfIn PDF document text
  • https://empezo.xyz/js/ckfinder/userfiles/files/pivagevaze.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/xenebadoloditi.pdfIn PDF document text
  • http://dawahcity.com/userfiles/file/pejupadopoporagofezemopa.pdfIn PDF document text
  • https://aryaayur.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a98ba2a6a2---wuwirevugikaruv.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/134076296560f217b88948c.pdfIn PDF document text
  • https://landlorddebtadvisory.com/wp-content/plugins/super-forms/uploads/php/files/a90gn8lm308g3igdm24og335s1/ramofejojuwoba.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=duck+life+4+unblocked+games+wtfPDF 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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