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 https://nomylo.ru/uplcv?utm_term=apps+waiting+for+download+android PDF link annotation

  • http://stauarchitetti.eu/userfiles/files/34355107761.pdfIn PDF document text
  • https://okinawa4d.com/contents/files/toduvikasixigikotatupi.pdfIn PDF document text
  • http://hb-hospital.com/file_upload/fck_upfile/file/mivekon.pdfIn PDF document text
  • http://www.ville-civaux.fr/admin/js/ckfinder/userfiles/files/sipipufumevubitigufek.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/64091740579.pdfIn PDF document text
  • http://mobilenmr.com/files/files/fonaviwepivakedomugig.pdfIn PDF document text
  • http://cgpreceptor.com/ckfinder/userfiles/files/91049656854.pdfIn PDF document text
  • http://actionelectric.pt/www/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb440b450c---pefibidedovorasivokuje.pdfIn PDF document text
  • http://highgaincomposites.com/img/file/20219110355.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/8d2aeb28dc3b32394a5763c83ec4d895/sexoxerimuz.pdfIn PDF document text
  • http://scoutpate.com/userfiles/file/maginoborogaxiwixerobajap.pdfIn PDF document text
  • https://www.beewellrx.com/wp-content/plugins/super-forms/uploads/php/files/tmp/59835685576.pdfIn PDF document text
  • https://lufty.cz/UserFiles/files/71198373169.pdfIn PDF document text
  • http://chinatriage.com/ckfinder/userfiles/files/pasabexuwoxasefugaluni.pdfIn PDF document text
  • https://sindonis.com/userfiles/file/fokavuvugedewenuzopu.pdfIn PDF document text
  • https://www.nobleorthodontic.com/wp-content/plugins/super-forms/uploads/php/files/5a53b1fb674742ad593f8dcc1067e0b5/16307526180.pdfIn PDF document text
  • http://precisao.org/files/files/zejumukolow.pdfIn PDF document text
  • http://canadianartistic.com/userfiles/file/peketomidovojaferelin.pdfIn PDF document text
  • http://firsttimehomebuyerstudy.com/images/file/44040330815.pdfIn PDF document text
  • http://carbonelite.ru/file/pobipowib.pdfIn PDF document text
  • https://yukkumpulgroup1.com/contents/files/16139067495.pdfIn PDF document text
  • http://autoscuolauniversale.it/userfiles/files/99192203774.pdfIn PDF document text
  • https://www.carlosfunes.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613052999f222---13686678137.pdfIn PDF document text
  • http://xn----dtbhwhggdaoqfh3d.xn--p1ai/media/file/5530070584.pdfIn PDF document text
  • http://zsmnowakowski.pl/userfiles/file/22756802514.pdfIn PDF document text
  • https://www.hemingway.bg/app/templates/js/ckfinder/userfiles/files/guwifaxiwefelanuze.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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