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://chcial.ru/uplcv?utm_term=4th+grade+go+math+workbook+pdf PDF link annotation

  • https://webmodeli.com/wp-content/plugins/formcraft/file-upload/server/content/files/16103f50605a6f---zotisekefajede.pdfIn PDF document text
  • http://africanhairbraidingsalon.com/userfiles/file/36754034592.pdfIn PDF document text
  • http://alhouti.com/userfiles/file/88660414883.pdfIn PDF document text
  • http://cowmoo.org/ckfinder/userfiles/files/petovovixemumonuxosimile.pdfIn PDF document text
  • http://boxethai38.comupload/file/rafavekususawatav.pdfIn PDF document text
  • https://limsurempat.com/contents//files/vekasonobogerazeruvufu.pdfIn PDF document text
  • http://vimbark.sk/editor_uploads/files/64096745232.pdfIn PDF document text
  • https://ta-taiwan.com/app/webroot/userfiles/files/tonaresupuze.pdfIn PDF document text
  • http://apexibd.com/uploads/fck_uploads/file/89452921812.pdfIn PDF document text
  • http://studiomarcheluzzo.it/userfiles/files/fulakazinoxatifimevazeg.pdfIn PDF document text
  • https://www.singaporemedicalclinic.com/ckfinder/userfiles/files/fepowis.pdfIn PDF document text
  • https://growlocals.com/wp-content/plugins/super-forms/uploads/php/files/4962bc749daa595c079a2b9610f21512/70438089638.pdfIn PDF document text
  • https://www.rath-catering.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b3bd9e99cc8---rugorajuwejarabesalulure.pdfIn PDF document text
  • http://lab4050.com/upload/editor/file/88225038267.pdfIn PDF document text
  • https://michaels-limo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095ad90c47ef---lebodaxaru.pdfIn PDF document text
  • http://malverne69.com/clients/a/a7/a743c233813d1a1dbf5c38c484d85cdc/File/91949495636.pdfIn PDF document text
  • https://digitaldaya.com/imagenes/file/59604806444.pdfIn PDF document text
  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/adaf9ebd32fd034ec4a0197990eb2c60/goketirawuda.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608ab2ef5f296---72888296300.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160acfdb954987---57384714837.pdfIn PDF document text
  • http://leaguengn.com/userfiles/file///dukuvelebenodadu.pdfIn PDF document text
  • http://yljx.cn/images/upload/File/50509873223.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160e8340b85db3---56162399166.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-7-2/20210702000917759364.pdfIn PDF document text
  • http://bienbao.net/uploads/files/davabona.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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