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 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://irlanc.ru/uplcv?utm_term=otome+games+obey+me PDF link annotation

  • http://aivieksteslaivas.lv/userfiles/file/88377310644.pdfIn PDF document text
  • http://duquenne-moteurs.fr/webroot/upload/files/45160129424.pdfIn PDF document text
  • http://fortlauderdalelimorental.net/wp-content/plugins/formcraft/file-upload/server/content/files/161450a68614c8---dodakibolesuza.pdfIn PDF document text
  • https://arbormaster.net/uploads/files/30851181992.pdfIn PDF document text
  • http://maxidmum.com/images/upload/fck/file/tupibibiwezazawifomod.pdfIn PDF document text
  • http://zamel2.pl/userfiles/file/56689401188.pdfIn PDF document text
  • http://vuatoyen.com/uploads/userfiles/file/59675711381.pdfIn PDF document text
  • https://vozilasavozacem.rs/files/92464722377.pdfIn PDF document text
  • https://saikekanglun.com/filespath/files/20210910075902.pdfIn PDF document text
  • http://historico.uts.edu.co/portal/app/ckfinder/userfiles/files/85557883026.pdfIn PDF document text
  • http://rentaruedas.com/files/others/tukimabiz.pdfIn PDF document text
  • https://www.colegiodomus.com.br/js/ckfinder/userfiles/files/pidijalepuwivosawaxokiwa.pdfIn PDF document text
  • http://vector-food.com/userfiles/file/74514138904.pdfIn PDF document text
  • http://www.alfainstal.pl/wp-content/plugins/formcraft/file-upload/server/content/files/161368a5f41894---mexonop.pdfIn PDF document text
  • http://tjsijiqing.com/ckfinder/userfiles/files/2021/0906/48e8d023c2417353b81ab14dd9280965.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/9cbkfr7gequu0ji832bbd21a05/74534599535.pdfIn PDF document text
  • https://www.davidwoodpersonnel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d538db9bc8---migadovofubuk.pdfIn PDF document text
  • http://immodraft.nrw/images/architekten_agentur_images_/file/96187037891.pdfIn PDF document text
  • http://hurtmar.pl/Upload/file/98565011652.pdfIn PDF document text
  • https://resicolor.com/upload/files/25628370477.pdfIn PDF document text
  • http://hflchw.com/upload/file/varugi.pdfIn PDF document text
  • http://nagyberki.hu/sites/default/files/fck_uploads/file/kodidiv.pdfIn PDF document text
  • http://www.masozilina.sk/ckfinder/userfiles/files/ludeteg.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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