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://inwebjor.ru/uplcv?utm_term=cell+organelles+life+under+the+microscope+worksheet+answer+key PDF link annotation

  • https://gallerylingard.com/uploads/file/mofujunatawulekipirobem.pdfIn PDF document text
  • http://maility.pl_adresuserfiles/file/93069268336.pdfIn PDF document text
  • https://kuechentreff-schmid.de/wp-content/plugins/super-forms/uploads/php/files/cihrq9f7j0bn5035lbp9k88442/vuxinisonofi.pdfIn PDF document text
  • http://ngpsusa.com/wp-content/plugins/super-forms/uploads/php/files/8m4vgn6vpq4r9901b55mlm0pbm/26386064219.pdfIn PDF document text
  • http://mamaskitchenorder.com/uploads/files/30607167661.pdfIn PDF document text
  • http://www.autoservis-hubatka.cz/admin/upload/ww/file/35128915046.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16087eb9373661---16329469991.pdfIn PDF document text
  • http://www.annaleehuber.com/content_files/file/nojivuxakunipedesizito.pdfIn PDF document text
  • http://honghuibio.com/d/files/97414346007.pdfIn PDF document text
  • http://csc-021.com/userfiles/file/20210626210749_da69eu.pdfIn PDF document text
  • http://tomei4x4.jp/js/upload/files/jokasodaluj.pdfIn PDF document text
  • https://wccia-vastu.com/wp-content/plugins/super-forms/uploads/php/files/45bab0a02806c124d6124544c418ef02/sudaxokeniriv.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/161295ef31bef3---86503522489.pdfIn PDF document text
  • http://rgn2u.com/userfiles/files/83863045193.pdfIn PDF document text
  • https://aguiapromocional.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16070ae4ed2443---vunusos.pdfIn PDF document text
  • https://securitegenerale.tn/userfiles/file/53509456835.pdfIn PDF document text
  • http://bocghebinhduong.com/media/ftp/file/78615786668.pdfIn PDF document text
  • http://dlshixiang.com.cn/ckfinder/userfiles/files/laxirageba.pdfIn PDF document text
  • http://ankaser.com/userfiles/file/50147429753.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/m9g5ojoq5a1bbnln27g7lt79s3/wanefajovebi.pdfIn PDF document text
  • https://clubberia.com/js/ckfinder/userfiles/files/57034428210.pdfIn PDF document text
  • https://grupo.iberia.com/js/ckfinder/userfiles/files/60415497192.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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