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://crysiq.ru/uplcv?utm_term=certified+cicerone+practice+test+answers PDF link annotation

  • https://assurancemauricie.com/wp-content/plugins/formcraft/file-upload/server/content/files/160efe5ce6e89e---30335967201.pdfIn PDF document text
  • http://www.fotografoeventimilano.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cb3c8ba560---1986399995.pdfIn PDF document text
  • http://xinyaoqiye.com/upload_fck/file/2021-6-25/20210625173151140797.pdfIn PDF document text
  • http://studiomanzella.com/userfiles/files/97010523223.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/c7a70113478f34f22a10ad5309132b72/44580426508.pdfIn PDF document text
  • http://tourbusan.net/FileData/ckfinder/files/20210726_85CC8816CD26E22B.pdfIn PDF document text
  • https://miaousland.fr/ckfinder/userfiles/files/74975906944.pdfIn PDF document text
  • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6ae4f024a---jadokixotoxutati.pdfIn PDF document text
  • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b22c0d83b09---lawepugotixer.pdfIn PDF document text
  • http://bestapp4u.com/admin/uploadedfiles/file/24890827794.pdfIn PDF document text
  • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/u0ftefiid1hmufebquq71sur64/21307407430.pdfIn PDF document text
  • https://chuyennhakienvangvn.net/upload/files/91845248039.pdfIn PDF document text
  • https://www.assofmt.org/ckfinder/userfiles/files/zelakawumilosofofawatezo.pdfIn PDF document text
  • http://luisacortesearchitetto.it/userfiles/files/titenutamuvigojolugilos.pdfIn PDF document text
  • http://cissi.it/userfiles/files/kesuvanadilo.pdfIn PDF document text
  • http://lilit-realty.com/wp-content/plugins/super-forms/uploads/php/files/2ldos9i0d0r0ejhlpb6p3tald7/delusufufudederig.pdfIn PDF document text
  • http://www.absolutecateringla.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5a722d875---bibemugujudofo.pdfIn PDF document text
  • http://conelser.hu/fck_uploads/file/18743177090.pdfIn PDF document text
  • http://hebammenglueck.de/ckfinder/userfiles/files/49281837682.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088b4ed33907---zutarido.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a14f0907073---88116084756.pdfIn PDF document text
  • http://chocoenglish.com/_UploadFile/Images/file/rekowerize.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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