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://archism.ru/uplcv?utm_term=why+my+phone+is+rooted PDF link annotation

  • http://alphanaturehk.com/userfiles/file/bixisofoba.pdfIn PDF document text
  • http://www.coverseg.com/uploads/ckfinder/files/4776934671.pdfIn PDF document text
  • http://vdgairconditioning.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613154c6788a1---59321108720.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/1613c0413843af---60142075568.pdfIn PDF document text
  • https://5uempat.com/contents/files/1232488860.pdfIn PDF document text
  • http://suvagcentr.ru/userfiles/files/91834653580.pdfIn PDF document text
  • http://structurecreative.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613e75bea0aad---sopobi.pdfIn PDF document text
  • http://raduzhniy.com/wp-content/plugins/formcraft/file-upload/server/content/files/161358a7779ded---51716895075.pdfIn PDF document text
  • https://needlugs.com/userfiles/files/wezigarimutesata.pdfIn PDF document text
  • https://www.karenlovelee.com/wp-content/plugins/formcraft/file-upload/server/content/files/161303da160b5a---nekugivitow.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1613f96bebeedd---78056530086.pdfIn PDF document text
  • https://bedandbreakfastchia.it/userfiles/file/darotefafifitotejaxuledo.pdfIn PDF document text
  • https://machinex-machines.com/UserFiles/File/xepiwixejafetolapefinajep.pdfIn PDF document text
  • http://midesignvn.com/uploads/files/favemufivuxugediji.pdfIn PDF document text
  • https://stpeterscbs.ca/ckfinder/userfiles/files/tijoworugaxuriwoto.pdfIn PDF document text
  • https://theemperorsoldclothes.co.uk/wp-content/plugins/super-forms/uploads/php/files/qcn7uhnfbt7uvkcer2133dcqci/25086928550.pdfIn PDF document text
  • http://smartickgroup.com/userfiles/xixaginudipegewajotisujam.pdfIn PDF document text
  • http://www.propper-droppers.nl/files/file/zovag.pdfIn PDF document text
  • http://ark-mr.com/data/home/qxu2063190031/htdocs/uploadfile/files/webijotulebejas.pdfIn PDF document text
  • http://irk-yoga.ru/upload/files/16406519303.pdfIn PDF document text
  • http://mehmetrasimmutlu.com/icerik/file/7473459426.pdfIn PDF document text
  • https://gitedu.in/ckfinder/userfiles/files/71986274720.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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