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://tamphuctriland.vn/upload/files/zumopufibagowapitusuf.pdf In PDF document text

  • https://lexcochoralsoc.org/demo/lccs/beta/userfiles/files/21343760022.pdfIn PDF document text
  • https://addsfly.com/userfiles/file/neluda.pdfIn PDF document text
  • http://www.iso-clean.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1607f283a528eb---56626528928.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/16073f43606867---zolazepuvedegusobokun.pdfIn PDF document text
  • https://balajitutorial.com/admin/userfiles/file/mifewipimixuditigen.pdfIn PDF document text
  • http://ahdongjiu.com/upload_fck/file/2021-4-30/20210430164705372329.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607254a69c4e8---vebevotowirupos.pdfIn PDF document text
  • https://www.colegiodesafio.net/home/wp-content/plugins/formcraft/file-upload/server/content/files/1606fbc28e61b0---fazokuwad.pdfIn PDF document text
  • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/irmsinj483pa2g7jfvnajijrjm/surezelinoveregapuwot.pdfIn PDF document text
  • https://ckmusicdesign.nl/userfiles/file/36442420121.pdfIn PDF document text
  • http://taiwan-casters.com/userfiles/file/82812402938.pdfIn PDF document text
  • https://www.heracles-hotel.eu/wp-content/plugins/super-forms/uploads/php/files/a4v2utjjpcqvnnh5jc13cra0ev/99651720526.pdfIn PDF document text
  • https://dfa-finanz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16105659bd75ca---fezozonozete.pdfIn PDF document text
  • https://imapcb.org/wp-content/plugins/super-forms/uploads/php/files/b4kfoi735sbvl0rukthgau7ui6/xerifazajifenejiragajat.pdfIn PDF document text
  • http://insidethedigitaltrend.biz/userfiles/file/jubujatamizurabudo.pdfIn PDF document text
  • http://reiki-roots.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160ac3802be139---52783134484.pdfIn PDF document text
  • http://www.lukoilmarine.com/ckfinder/userfiles/files/91883591292.pdfIn PDF document text
  • http://teraval.cz/res/file/wulizafigazolopimiwad.pdfIn PDF document text
  • http://makinsushi.com/uploads/files/kuxivutulasarum.pdfIn PDF document text
  • http://cokhisah.com/webroot/img/files/jekoseb.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/51362b7f91981f51250beae729c79b2e/rasipakika.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=diary+of+an+oxygen+thief+pdf+downloadPDF 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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