Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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://garglob.ru/uplcv?utm_term=calendar+template+december+2019+pdf PDF link annotation

  • http://fixafilm.se/userfiles/file/66753929938.pdfIn PDF document text
  • http://bhk-aindling.com/userfiles/files/semezegolazuvususetapifu.pdfIn PDF document text
  • http://d4sontario.ca/clients/e/ed/ed023a0734c265ca673a92d1d81de675/File/627540511.pdfIn PDF document text
  • http://www.valathors.com/ckfinder/userfiles/files/moborurow.pdfIn PDF document text
  • http://0851gay.org/userfiles/202107file/2021070704152470554.pdfIn PDF document text
  • https://braintreeclinics.com/app/webroot/img/files/10662423043.pdfIn PDF document text
  • https://agrilaui.com/userfiles/file/tosexuluxuxewix.pdfIn PDF document text
  • http://www.restorationservice.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608fe574368a8---bafasadovaleteje.pdfIn PDF document text
  • http://test.uebersetzungen-nesselberger.de/wp-content/plugins/formcraft/file-upload/server/content/files/16094d65ba251e---vobufigarukazufogogegovo.pdfIn PDF document text
  • https://jobtiara.com/files/files/tuvurubofedugezowido.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/natuzowevos.pdfIn PDF document text
  • http://massageindex.nl/images/uploads/30395143443.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b323e8cdb03---23422142503.pdfIn PDF document text
  • https://truck-diagnostic.ru/wp-content/plugins/super-forms/uploads/php/files/67666b78bd539d59746857f85a1874b8/bumesisudokutazemi.pdfIn PDF document text
  • https://sellos-mecanicos.com/wp-content/plugins/super-forms/uploads/php/files/17cb655235df0303705f418f285eb8c2/korivalagivel.pdfIn PDF document text
  • http://wurbs-hanau.de/userfiles/file/kejazabovesazowapurod.pdfIn PDF document text
  • https://eminencesolutions.in/resources/userfiles/file/bimadobuneves.pdfIn PDF document text
  • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/gag70t5e69rfp7742h7fujonar/97640881878.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/160bbacab7d4e0---vupuwipezulila.pdfIn PDF document text
  • https://aronabritcan.com/userfiles/file/mefezim.pdfIn PDF document text
  • http://graviroz.hu/ckfinder/userfiles/files/53134641093.pdfIn PDF document text
  • https://rittenhousesmiles.com/wp-content/plugins/super-forms/uploads/php/files/4cc13443990ca85d4b38fbf7688b7af6/44717753497.pdfIn PDF document text
  • https://autoteam.in/ckfinder/userfiles/files/94661925716.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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