Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://pistant.ru/uplcv?utm_term=used+gtr+for+sale PDF link annotation

  • https://big-affaires.com/img/pics/files/libuw.pdfIn PDF document text
  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/830d8fcd054746c3709a2b58fbad1639/17434568195.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/16130db585a1e3---kaweloxewukupapugo.pdfIn PDF document text
  • http://christ-china.com/filespath/files/20210909081618.pdfIn PDF document text
  • http://nollve.com/img/editor/image/file/miwezifaxegisolaxamubidu.pdfIn PDF document text
  • http://heatexchangersolution.com/upload_fck/file/2021-9-4/20210904001657562242.pdfIn PDF document text
  • http://www.accessibilite-salle-eau.com/ckfinder/userfiles/files/34578806202.pdfIn PDF document text
  • https://www.luxboss.com/ckfinder/userfiles/files/93242665886.pdfIn PDF document text
  • https://edubox.mn/uploads/users/0/files/wovenesosezefow.pdfIn PDF document text
  • http://systemsbiology.at/uploads/assets/file/wekukejuzivifukut.pdfIn PDF document text
  • https://pezenasenchantee.fr/userfiles/file/xojomuxoligetixefakonofed.pdfIn PDF document text
  • https://atiksigorta.com/files/moregevisawus.pdfIn PDF document text
  • https://nabil-doukali.com/userfiles/file/71410544843.pdfIn PDF document text
  • http://dayuntang.com/assets/uploads/ckedit/files/20210908033050.pdfIn PDF document text
  • https://www.swx.global/wp-content/plugins/super-forms/uploads/php/files/f2b83c02a4894418dce7370b62d7034d/10528684461.pdfIn PDF document text
  • http://105chers.netsociality.com/upload/files/tidutukidemetexamoz.pdfIn PDF document text
  • https://parisautotravel.com/wp-content/plugins/super-forms/uploads/php/files/go3k2ho59v706j9i3pi1rhsct5/20800101435.pdfIn PDF document text
  • http://pantanalmsnews.com.br/ckfinder/userfiles/files/venupas.pdfIn PDF document text
  • https://postele-z-masivu.sk/ckfinder/userfiles/files/32457226932.pdfIn PDF document text
  • http://scuderia512.com/js/upload/files/zeketikap.pdfIn PDF document text
  • http://pevak.info/UserFiles/File/xapamararozidakomot.pdfIn PDF document text
  • http://rococosofa.com/files/files/79598524301.pdfIn PDF document text
  • https://gresathouse.com/wp-content/plugins/super-forms/uploads/php/files/bf33537686f189a54c848a3c8ad693b5/sogesajiwirawojizex.pdfIn PDF document text
  • http://siamsnail.com/media/userfiles/files/pemurujisilimo.pdfIn PDF document text
  • http://chekeeh.ir/basefile/chekeehir/files/mizulisurowevigivaj.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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