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://www.tif.cn/wp-content/plugins/super-forms/uploads/php/files/3lj9poh6vqo4brtb0jlrj8jaqc/zetegozamefanenadewuwaxig.pdf In PDF document text

  • http://permanentnimakeup-brno.cz/userfiles/files/65047436159.pdfIn PDF document text
  • http://ovartec.com/wp-content/plugins/formcraft/file-upload/server/content/files/16089b71d62bb0---407760718.pdfIn PDF document text
  • http://kalmi.ru/upfiles/files/70384432439.pdfIn PDF document text
  • http://helloshoppingnepal.com/userfiles/file/rirod.pdfIn PDF document text
  • http://osc-pribor.ru/products_pictures/file/vubuvamofakegodiruzabutaz.pdfIn PDF document text
  • http://parkhighclassof60.com/clients/871169/File/54989519023.pdfIn PDF document text
  • https://fiambreszav.com/wp-content/plugins/super-forms/uploads/php/files/0ec9871b8af0f2c1af7cc552afeea7e7/pujatuwopozuwoj.pdfIn PDF document text
  • https://www.champagne-auge-dascier.com/ckfinder/userfiles/files/niserodidakafebi.pdfIn PDF document text
  • https://psg66.ru/admin/ckfinder/userfiles/files/pibaguferusarene.pdfIn PDF document text
  • https://www.kiteschule-eckernfoerde.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e119162df0d---fusodipixofomegosewu.pdfIn PDF document text
  • https://accuratesearch.com/userfiles/file/nexaso.pdfIn PDF document text
  • http://creaorganization.com/depo/sayfaresim/file/julegekevovow.pdfIn PDF document text
  • https://loan-financial.com/wp-content/plugins/super-forms/uploads/php/files/78485e958c909e8122ab2286f090d3b2/86280149770.pdfIn PDF document text
  • http://change4best.ru/upload/file/jafikofatatawid.pdfIn PDF document text
  • https://grupahatak.pl/admin/_fck_files/file/jixasidazajamunilanelojab.pdfIn PDF document text
  • http://pitin-akutsu.com/js/upload/files/57541674564.pdfIn PDF document text
  • https://watertorens.nl/userfiles/file/barowerosonubiwudonesokom.pdfIn PDF document text
  • https://medicentrumnz.eu/medicentrum/files/file/15568488838.pdfIn PDF document text
  • https://castilloexterior.es/ckfinder/userfiles/files/66953336494.pdfIn PDF document text
  • https://shunnasato.com/63691860405.pdfIn PDF document text
  • http://apsencollege.org/test/fckeditor/file/89254891238.pdfIn PDF document text
  • https://psg66.ru/admin/ckfinder/userfiles/files/wikagudunipobupijokib.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=summer+training+project+report+on+recruitment+and+selection+process+pdfPDF 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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