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://inewbus.com/wp-content/plugins/super-forms/uploads/php/files/g856h5phd9g597itu15j8tobq1/82903351488.pdf In PDF document text

  • http://reklamavysocina.cz/UserFiles/File/dikadotote.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/d9825ac7807a455634ddb9e21cb3a846/repelimijidasudenat.pdfIn PDF document text
  • https://bya-ingenieria.com/ckfinder/userfiles/files/37346461746.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613b4aabd9394---48442757748.pdfIn PDF document text
  • http://www.rolstoellift.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614093c494368---67287131495.pdfIn PDF document text
  • https://vienhung.com/webroot/img/files/34694827281.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/nuremakopewofugil.pdfIn PDF document text
  • http://lubrifianti-auto.ro/files/file/saketirazesofemu.pdfIn PDF document text
  • http://dspec-car.com/js/upload/files/gamunokozaxu.pdfIn PDF document text
  • http://mouaumfb.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313385f057d---dogovitu.pdfIn PDF document text
  • http://elliptical-trainers.ru/ckfinder/userfiles/files/14075439078.pdfIn PDF document text
  • http://poexali.org/static/image/_u/system/files/44464279228.pdfIn PDF document text
  • http://giadinhlaurenso.org/upload/files/zuxidukewunexagotogibef.pdfIn PDF document text
  • http://shsuorui.com/uploadfiles/fckeditor/20210912/file/16314502187839.pdfIn PDF document text
  • http://www.anaja-inter.org/public/file/30681358967.pdfIn PDF document text
  • https://veritiesinstitute.com/wp-content/plugins/super-forms/uploads/php/files/467a0c1236171f9e9811e2dc818125e0/86332407678.pdfIn PDF document text
  • http://vino-charlie.cz/userfiles/file/posujosiledojo.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/161341adbf1a1b---vugodafejide.pdfIn PDF document text
  • http://edbiji.com/uploads/files/20210914094505_839615.pdfIn PDF document text
  • https://iqrainternationalschool.org/_assets/files/22789166240.pdfIn PDF document text
  • https://careerroots.net/ckfinder/userfiles/files/zefazovenobuvopa.pdfIn PDF document text
  • http://chongqinghaohong.com/upload/files/14799713368.pdfIn PDF document text
  • http://etkindenetim.com/resimler/files/dorumipirurafef.pdfIn PDF document text
  • http://aaas.handyfriendship.com/upload/files/97236840302.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/zMnd8XtcwSM/uplcv?utm_term=how+to+get+android+10+on+note+8PDF link annotation
  • https://lapdonline.org/file/81300541162.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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