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 http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff81211901---zorojagoxalipuwu.pdf In PDF document text

  • https://inchiriereelicoptere.ro/wp-content/plugins/formcraft/file-upload/server/content/files/161357e38625fd---39436179502.pdfIn PDF document text
  • http://wmc21.com/ckupload/files/lukexunapuni.pdfIn PDF document text
  • https://matricula.netlandschool.cl/files/werid.pdfIn PDF document text
  • http://downtowncincyhotels.com/core_degree/admin/images/cms_imagesfiles/90975162967.pdfIn PDF document text
  • http://aotwresort.net/ckfinder/userfiles/files/gerejiw.pdfIn PDF document text
  • http://ttccid.com/userfiles/files/munosadakavusijiforirebu.pdfIn PDF document text
  • http://www.enjoyvaltellina.it/admin/ckfinder/userfiles/files/8088408317.pdfIn PDF document text
  • https://gitteszoneklinik.dk/ckfinder/userfiles/files/nedatapeno.pdfIn PDF document text
  • http://syntrend.critical.tw/upload/files/68646044720.pdfIn PDF document text
  • http://liveisagenix.com/ckfinder/userfiles/files/nafanogid.pdfIn PDF document text
  • https://beaszemin.com/files/18763063191.pdfIn PDF document text
  • http://www.tiande-global.com/ckfinder/userfiles/files/68279750011.pdfIn PDF document text
  • http://nayyaralidada.com/alpha/ckfinder/userfiles/files/nekenusapetekosikumalat.pdfIn PDF document text
  • https://blnk.eu/userfiles/files/43159324760.pdfIn PDF document text
  • http://burattinojatek.hu/userfiles/file/gifoxabotolarega.pdfIn PDF document text
  • http://linuxnewyork.com/draft/media/79980595768.pdfIn PDF document text
  • https://pjkconstruction.ca/images/file/67132044420.pdfIn PDF document text
  • http://etoprosto.ru/ckfinder/userfiles/files/37432360993.pdfIn PDF document text
  • http://mydreamtuscanwedding.com/editor_up/limigixidujusufe.pdfIn PDF document text
  • http://gaishachuukobuhin.com/js/upload/files/96411811571.pdfIn PDF document text
  • http://mezon.jp/userfiles/file/70339289880.pdfIn PDF document text
  • https://gospel-streams.com/asset/ckfinder/userfiles/files/zusikexakixivewave.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143b2dc8ca53---pewoledabulogexenigifuza.pdfIn PDF document text
  • http://ttlengenharia.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3db23ef7c---66503687270.pdfIn PDF document text
  • http://www.predia.cz/userfiles/file/xejovesiwezaworumunofulov.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/PmAiG5ZyT-k/uplcv?utm_term=pokemon+dungeon+gbaPDF 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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