Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://smilepaper.tw/archive/upload/files/tirufewatijaxugedaviza.pdf In PDF document text

  • https://comfortinnbarrie.com/phpsites/vertical_living/uploads/file/45173761078.pdfIn PDF document text
  • http://ourdesign.hk/ckfinder/userfiles/files/fenivomen.pdfIn PDF document text
  • http://keacg.com/upload/files/28065272491.pdfIn PDF document text
  • https://xn--faade-zra.ch/ckfinder/userfiles/files/80882242628.pdfIn PDF document text
  • https://steammining.com/userfiles/file/19659327534.pdfIn PDF document text
  • https://rubin2000-distribuitorshop.ro/userfiles/file/48211620955.pdfIn PDF document text
  • http://dfwarbitrator.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/zotixerofev.pdfIn PDF document text
  • http://xiangzhuan.tw/upload/files/39310775030.pdfIn PDF document text
  • http://brlairport.com/images/file/palonerutupubowafegixusem.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/16080d0281497b---zivorexufokazu.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/01a120f7db7f2096aeba8522f59b9cbd/82825946537.pdfIn PDF document text
  • https://candica.pl/ckfinder/userfiles/files/77057101164.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160d38b4a8fb89---rapov.pdfIn PDF document text
  • https://biovuspharma.net/userfiles/files/11173380322.pdfIn PDF document text
  • http://playeasypiano.com/resources/fck_images/95442083954.pdfIn PDF document text
  • http://automsystem.com/UploadFile/file/20210630112617140.pdfIn PDF document text
  • http://bige.vn/uploads/userfiles/file/bexojodadojepirefidu.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160a858665ad6e---lixadaruvaravakomap.pdfIn PDF document text
  • https://dhesient.com/media/29105447114.pdfIn PDF document text
  • http://101-games.ru/images/uploads/files/68337410472.pdfIn PDF document text
  • https://imotrading.com/images/userfiles/36280193349.pdfIn PDF document text
  • https://www.jemelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607da6569b379---zopamasoludezu.pdfIn PDF document text
  • http://topnotchimports.com/ckfinder/userfiles/files/63146352350.pdfIn PDF document text
  • http://balone.net/_upload/file///takabowevi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/BkSY9tpko7c/uplcv?utm_term=demons+and+angels+a+boogie+lyricsPDF link annotation
  • http://lovewhereyoulv.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/e0ba4aaf0723f695c191da08a2aec1b8/guwararasesapid.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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