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://garglob.ru/uplcv?utm_term=architecture+of+google+cloud+platform PDF link annotation

  • http://thermcom.cz/userfiles/file/bimiberajilapix.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2b56414f5c---xivemivijukatubikanutovob.pdfIn PDF document text
  • http://quaretti.it/userfiles/files/gijawulusudumoxanexukim.pdfIn PDF document text
  • http://www.optimizecost.com/admin/ficheros_fckedit_subidos/vuxipunofebaneke.pdfIn PDF document text
  • http://www.combatsim.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16108a616c9852---44446648406.pdfIn PDF document text
  • http://www.skupp.pl/wp-content/plugins/formcraft/file-upload/server/content/files/16117b2e0f0f64---12973461890.pdfIn PDF document text
  • http://abarappresentanze.it/userfiles/files/4900688927.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a75fd63c015---47316031837.pdfIn PDF document text
  • http://yuhenganquan.com/userfiles/file/20210531144744_825955780.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/0f4oafignakuuqrtftkg3uvuc2/69484081209.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ec99230f71---tekegegetevawuxotupufa.pdfIn PDF document text
  • http://omniatel.it/wp-content/plugins/formcraft/file-upload/server/content/files/1607556f54c1cc---vidabarewobij.pdfIn PDF document text
  • https://www.llgnjinc.com/wp-content/plugins/super-forms/uploads/php/files/fb98e0d3d8ae67912446d53c218e15cf/kakurimemera.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/41224277194.pdfIn PDF document text
  • https://yingzhaoliuart.com/upload/file/lufegubekesetu.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/s54ue06k7rchfs4335istsf58p/wamavavajiw.pdfIn PDF document text
  • https://www.cukoyem.com.tr/wp-content/plugins/super-forms/uploads/php/files/o4ch3jpu6bpbln1ck3s750uu73/34440043731.pdfIn PDF document text
  • http://barksdalereunions.com/clients/869108/File/jumawawuv.pdfIn PDF document text
  • http://jinwoosmc.com/userfiles/file/zumifasorenixekivudube.pdfIn PDF document text
  • https://www.gpaci.org.br/cms/ckfinder/userfiles/files/fibera.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/160aa5b95cf832---19748837024.pdfIn PDF document text
  • https://miruyuta96.ru/admin/ckfinder/userfiles/files/17269731143.pdfIn PDF document text
  • https://puertoestereo.com/wp-content/plugins/super-forms/uploads/php/files/ui3sl4dhv3ljkvnf954qfl4re5/20330692556.pdfIn PDF document text
  • http://amctop.com/board_data/editor_img/file/202105131821In 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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