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 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://irlanc.ru/uplcv?utm_term=certified+six+sigma+green+belt+%28cssgb%29+body+of+knowledge PDF link annotation

  • http://baracenter.be/userfiles/file/wegofupuzekobajirekofozu.pdfIn PDF document text
  • http://dobryremont.pl/ebobas/portal/app/webroot/img/tmp/file/16250198346859.pdfIn PDF document text
  • http://mosvag.ru/img/lib/file/48512611112.pdfIn PDF document text
  • https://h1t-urlaurora1-turbo.com/contents/files/69257042430.pdfIn PDF document text
  • https://archcosmeticstudio.com.au/wp-content/plugins/super-forms/uploads/php/files/dc5584839423f532830f623b1a85633d/rutaxegakubozubakokom.pdfIn PDF document text
  • http://cristal-in.fr/userfiles/file/13470020173.pdfIn PDF document text
  • http://hayatteknoloji.com/webimage/file/ganakijofezupofasid.pdfIn PDF document text
  • https://voolabs.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d69d4422fde---29292522503.pdfIn PDF document text
  • https://www.grandeprairie.org/wp-content/plugins/formcraft/file-upload/server/content/files/160c487907854f---33313175677.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160cb2fb5e645a---rogunavokanilegi.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160ec533ab35cd---xikerilodugavutix.pdfIn PDF document text
  • http://accronline.com/userfiles/file/49612353732.pdfIn PDF document text
  • https://www.aledrukujemy.pl/ckfinder/userfiles/files/85931820030.pdfIn PDF document text
  • http://wellnesszeewolde.nl/site/data/ws/files/bipemewugixujafixovoxo.pdfIn PDF document text
  • http://www.luminicaambiental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dee732c7aae---8116420465.pdfIn PDF document text
  • https://tecnibat.net/uploads/archivos/tuzobamupumoxasobivi.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/letm8vbekq2tqrtpal915p6982/vewelaviwiv.pdfIn PDF document text
  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/1e1ca6b0db75294f9d99bff52256ead1/nudegegenof.pdfIn PDF document text
  • http://gasthaus-steinkirchen.de/img/editor/file/91320664513.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609fbe64b5907---25800447059.pdfIn PDF document text
  • http://the-bom.kr/upfile/files/gazotenemonemezijineza.pdfIn PDF document text
  • https://englewoodgrassfarm.com/wp-content/plugins/super-forms/uploads/php/files/e8219bb1d39547aa061e0a4a80776aa1/81047492096.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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