Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://ketchas.ru/uplcv?utm_term=ppst+domain+3 PDF link annotation

  • http://tasarimak.com/ckfinder/userfiles/files/43138225972.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16071afeea345d---56250735031.pdfIn PDF document text
  • http://quickfix-poland.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608687233ddfb---lotivijira.pdfIn PDF document text
  • https://purpleleafestatebuyers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c75da9ab53d---15080143218.pdfIn PDF document text
  • http://av-jet.ru/userfiles/file/97547403139.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c5c14f88e70---60753164355.pdfIn PDF document text
  • https://willmarareachamber.com/ckfinder/userfiles/files/81347160820.pdfIn PDF document text
  • https://socialacademy.gr/wp-content/plugins/super-forms/uploads/php/files/b29eddb70e60cddd6d3869554487c252/57325955314.pdfIn PDF document text
  • https://www.ndgai.com/wp-content/plugins/super-forms/uploads/php/files/5svd789prqibjp8pj1ekb912dm/81874440603.pdfIn PDF document text
  • https://www.toptalentusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d715e1e22e4---46453426947.pdfIn PDF document text
  • https://personalloan2u.com/wp-content/plugins/super-forms/uploads/php/files/9ac07bc8c06ab5f45830800f06e0a980/nupogukesebotisim.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160c5b1c51a79a---63265655020.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/b3b692873c410b2ac4786f9956dedbcc/96523567133.pdfIn PDF document text
  • https://riondene.ch/img/uploads/file/nurozorasuximomezatasoban.pdfIn PDF document text
  • http://thuexe7cho.vn/upload/files/82122773933.pdfIn PDF document text
  • https://pousadamarazul.tur.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608c8996243e2---75413326986.pdfIn PDF document text
  • http://kingspec.su/wp-content/plugins/super-forms/uploads/php/files/hg1drk7ahkpoctkdo6opdrpiqj/98426251542.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aff2fe3dfe7---30192352554.pdfIn PDF document text
  • http://wenxuezj.com/images/File/51927410477.pdfIn PDF document text
  • https://kes-stv.ru/wp-content/plugins/super-forms/uploads/php/files/f1f53cea925409dcef36822ec32e00a8/vevufetar.pdfIn PDF document text
  • https://betonwerkendejonge.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16074c068d0c3b---jujazilotujelevez.pdfIn PDF document text
  • https://www.ezhealthcheck.com/wp-content/plugins/super-forms/uploads/php/files/1m8o74b856aduq9ou1qdp5148d/pidoxegifowabegaxamerege.pdfIn PDF document text
  • http://rcot.by/pics/files/tiwirudejezomerutimumunil.pdfIn PDF document text
  • http://fulepmark.hu/nyebu/fulepmark/userfiles/file/pebib.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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