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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://isuzuphonoi.com/data/dulieu/files/zezabanajuwaseda.pdf In PDF document text

  • https://carparts-fixture.com/file/file/33596927001.pdfIn PDF document text
  • http://2446665a.ru/ckfinder/userfiles/files/64332950641.pdfIn PDF document text
  • https://walterchiropracticclinic.com/home/walter/public_html/ckfinder/userfiles/files/lofawupadikunasezoxope.pdfIn PDF document text
  • http://ruizhishengwu.com/uploadfiles/file/020554288790.pdfIn PDF document text
  • http://borneneskontor-landsforening.dk/userfiles/file/48992673393.pdfIn PDF document text
  • http://archiwum.wyryki.eu/admin/ckfinder/userfiles/files/tudenopepilodubun.pdfIn PDF document text
  • https://austarpharma.austarchina.com/upload/files/1254164270.pdfIn PDF document text
  • http://khiensa.com/UserFiles/File/zulesirajitutusovu.pdfIn PDF document text
  • https://braviengenharia.com.br/wp-content/plugins/super-forms/uploads/php/files/g68g7fo2er3qiu1mff73bioaoj/xovepetomoxusuzixodalo.pdfIn PDF document text
  • http://nfc-lampang.com/user_img/files/29230853773.pdfIn PDF document text
  • https://www.taxikladis.gr/wp-content/plugins/formcraft/file-upload/server/content/files/1613062eb243fe---53366248016.pdfIn PDF document text
  • http://duef.ru/public/file/kojulatanasuwo.pdfIn PDF document text
  • http://dsfly.com/uploads/files/75471194397.pdfIn PDF document text
  • http://oletrans.sk/editor_uploads/files/530107120.pdfIn PDF document text
  • https://cualuoihoanmy.com/uploads/userfiles/file/zolepajobux.pdfIn PDF document text
  • http://giteduguedesboires.com/userfiles/file/16778946212.pdfIn PDF document text
  • http://bhttourist.com/upload/fckimagesfile/filokuxemudetomem.pdfIn PDF document text
  • https://suma.ca/upload/editor/file/44339173467.pdfIn PDF document text
  • https://artgallery.devctn.com/ckfinder/userfiles/files/7170711000.pdfIn PDF document text
  • https://propbrains.com/wp-content/plugins/super-forms/uploads/php/files/f2ff22963e36a58da4911c836df5f4b8/pawep.pdfIn PDF document text
  • http://ingegneriarossi.it/userfiles/files/61566235840.pdfIn PDF document text
  • http://lyzebrno.cz/userfiles/file/80670149231.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16132b13a5234d---92886403058.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=golf+clash+mod+apk+perfect+shotPDF 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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