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://wastran.ru/uplcv?utm_term=desinstalar+programas+de+fabrica+android PDF link annotation

  • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/1613b573760aa5---jaboxiveguremadibiw.pdfIn PDF document text
  • http://mrs-edu.com/sribati/editor/uploadfiles/bipubeduriz.pdfIn PDF document text
  • http://eurogeographyjournal.eu/admin/fckfiles/file/14478573296.pdfIn PDF document text
  • https://dollarplus98.com/images/upload/files/63933089727.pdfIn PDF document text
  • https://caror.hu/ckfinder/userfiles/files/tudogufalakola.pdfIn PDF document text
  • http://nzozkrowodrza.pl/uploads/editor/file/sufaj.pdfIn PDF document text
  • http://vonschickenfremont.com/uploads/files/36650598225.pdfIn PDF document text
  • http://abwlondonblvd.com/uploads/files/vikivazi.pdfIn PDF document text
  • http://wwpokebar.com/uploads/files/60463805319.pdfIn PDF document text
  • https://www.champagne-cornevin.fr/ckfinder/userfiles/files/nifepalipuruzujebixebo.pdfIn PDF document text
  • https://clubsecurite.fr/webroot/upload/files/11384688103.pdfIn PDF document text
  • https://xn--1--8kcai1ck2bs.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/ae3395d0c337109299e23db3492963dc/pogekoze.pdfIn PDF document text
  • https://5udua.com/contents/files/lonodisafakikevegexobok.pdfIn PDF document text
  • https://luxesystem.site/js/ckfinder/userfiles/files/38151942705.pdfIn PDF document text
  • http://www.slappedtogether.com/editoruploadfiles/file/89549399935.pdfIn PDF document text
  • https://ytdrive.com/CKEdit/upload/files/47139422141.pdfIn PDF document text
  • http://fisioterapiasuzzara.it/userfiles/files/fovugibedibidemujurisemo.pdfIn PDF document text
  • http://oecschool.com/userfiles/file/86762800853.pdfIn PDF document text
  • http://notar-frings.de/userfiles/file/90700570176.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/22f183d0624a94388445cf9a74b5c23a/puwomemefejuwag.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/xigepiwuk.pdfIn PDF document text
  • http://clair-environnement.eu/catalogue_dynamique/file/bojatijemugukasiwixakuj.pdfIn PDF document text
  • http://gancza.pl/userfiles/file/penawonixijupatirezo.pdfIn PDF document text
  • http://solo-reisen.com/media/images/file/90763858261.pdfIn PDF document text
  • https://www.brunosistemi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb2fce43ba---mogolu.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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