Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://adacu.org/userfiles/file/20210910202803.pdf In PDF document text

  • https://komunalno-vrgorac.hr/files/gazutalefodibesazeda.pdfIn PDF document text
  • http://lmnn.ru/userfiles/file/1467900395.pdfIn PDF document text
  • http://millionsdiscount.com/mo_images/files/zabagedona.pdfIn PDF document text
  • http://andreagarciam.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139dc745ba3b---66838696037.pdfIn PDF document text
  • http://cherryontop.pl/upload/fotki/file/71952720935.pdfIn PDF document text
  • http://shiinamotors.com/js/upload/files/90206439082.pdfIn PDF document text
  • http://twtipa.com/upfile/files/2021/09/10/21094806501.pdfIn PDF document text
  • http://ateliergermain.club/sites/default/files/file/67762844135.pdfIn PDF document text
  • http://www.integra-cr.cz/administrace/ckfinder/userfiles/files/14857552202.pdfIn PDF document text
  • https://glosunspa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613bf1e4ea3b8---kebomiwox.pdfIn PDF document text
  • https://nationalcardsolutions.com/wp-content/plugins/formcraft/file-upload/server/content/files/161349ca0b0899---78524881618.pdfIn PDF document text
  • http://rebizplus.com/userfiles/file/49188910708.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/14b182162ff5806cc18519029c543dea/50271619892.pdfIn PDF document text
  • http://greenflameenergy.com/userfiles/file/pizalujojumi.pdfIn PDF document text
  • http://1mosref.ru/ckfinder/userfiles/files/gigin.pdfIn PDF document text
  • http://webcertain.ca/contentupload/fckeditorUploads/organization_/file/94472127998.pdfIn PDF document text
  • http://fabrykakonwersji.pl/wp-content/plugins/super-forms/uploads/php/files/302a1b3237b015c3bb47afe99b8ed045/menezidupipag.pdfIn PDF document text
  • http://www.farmaciavictoriayjmleon.com/userfiles/files/27366855394.pdfIn PDF document text
  • http://dokumsuzgec.com/userfiles/files/39353266015.pdfIn PDF document text
  • http://modelkyujin.com/wp-content/plugins/formcraft/file-upload/server/content/files/161346fe4b42b0---tatiratotoxarodotibegom.pdfIn PDF document text
  • https://needletherapy.eu/upload/file/65537556366.pdfIn PDF document text
  • http://smartickgroup.com/userfiles/rozelizalaxojusil.pdfIn PDF document text
  • https://rrvchefs.com/wp-content/plugins/super-forms/uploads/php/files/91014670503039484b9f8ab827ab5d1c/67973236406.pdfIn PDF document text
  • http://sial.pl/galeria/file/85171953182.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=smart+defrag+for+androidPDF 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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