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://cructi.ru/uplcv?utm_term=loukas+grafakos+classical+fourier+analysis+pdf PDF link annotation

  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1608c7773920a2---zefavobor.pdfIn PDF document text
  • https://kindeeyudee.com/ck_files/files/62937184030.pdfIn PDF document text
  • https://maloneslandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608da3669c79d---91002736164.pdfIn PDF document text
  • https://thietbidienmanhcuong.com/upload/files/82326044840.pdfIn PDF document text
  • https://cpsguffanti.com/uploads/file/zolujasimemap.pdfIn PDF document text
  • https://ccveg.org/wp-content/plugins/super-forms/uploads/php/files/lc7ot0sr561psrrb2d17m1b64n/rorobiginabudovafuv.pdfIn PDF document text
  • http://conservativista.com/js/ckfinder/userfiles/files/60845446828.pdfIn PDF document text
  • https://luminex.pl/upload/file/20803730871.pdfIn PDF document text
  • http://www.pilonidalsinus.gen.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbde56e3cd---tetugajotewavosu.pdfIn PDF document text
  • http://sanruou.com/app/webroot/uploads/files/66052454959.pdfIn PDF document text
  • http://sns.hu/_user/file/vugoj.pdfIn PDF document text
  • https://rubyyadav.com/nbloom/fckuploads/file/telomodepota.pdfIn PDF document text
  • https://gabinetpro.pl/kosmetyczka/krakow/files/93524350816.pdfIn PDF document text
  • http://sip7.online/wp-content/plugins/super-forms/uploads/php/files/18705324411873f36bf897e735cb955d/58444170322.pdfIn PDF document text
  • https://cape-electronics.com/media/file/7980183841.pdfIn PDF document text
  • http://ingenermarket.ru/userfiles/24723345730.pdfIn PDF document text
  • http://www.catalogodecineargentino.com/wp-content/plugins/formcraft/file-upload/server/content/files/16078d62e0c1f8---dawizanusoniduzatoxata.pdfIn PDF document text
  • http://herve-coiffure.ci/files/razekijafepezovaxefem.pdfIn PDF document text
  • http://www.recetasyconsejos.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce5d45a954---nutumoxumi.pdfIn PDF document text
  • http://irmascaritasdejesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160944ee93ed6e---sowim.pdfIn PDF document text
  • https://sysyanginguvenlik.com/uploads/files/juwezepapun.pdfIn PDF document text
  • http://thanhlapcongtykiengiang.com/upload/ck/files/9350790071.pdfIn PDF document text
  • http://indiebookoftheday.com/wp-content/plugins/formcraft/file-upload/server/content/files/16079a25edd0a6---nunine.pdfIn PDF document text
  • https://tradegateindia.com/userfiles/file/97256535099.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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