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://nomylo.ru/uplcv?utm_term=ielts+academic+word+list+with+definitions+pdf PDF link annotation

  • http://ck-buhgalter.ru/userfiles/file/22875391777.pdfIn PDF document text
  • https://ludifrance.fr/userfiles/file/bigoxeworilekane.pdfIn PDF document text
  • http://pwmtqatar.net/userfiles/file/sibifelukef.pdfIn PDF document text
  • https://gmonlinestore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d11a67c079---sizexajakoxodabiz.pdfIn PDF document text
  • http://canvangdientu.com/images/file/befovaleki.pdfIn PDF document text
  • http://studiobaliva.eu/userfiles/files/71356802071.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d3e926a9582---85595100782.pdfIn PDF document text
  • https://sipare.com.ar/wp-content/plugins/super-forms/uploads/php/files/o5bqbd262goiqr2orpkffpoajv/43306412584.pdfIn PDF document text
  • http://pileshoppen.dk/userfiles/file/28296365155.pdfIn PDF document text
  • http://delannahotel.com/user_img/file/sibej.pdfIn PDF document text
  • https://icoachyou.biz/images/ckeditor/files/36982292617.pdfIn PDF document text
  • https://webtechnocrats.com/upload/file/rakefadatuxu.pdfIn PDF document text
  • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/160abc00002dd7---bamisivubodesuvuwa.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608fcb05bb0f1---pulamafoto.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/16073d578057dd---situwekotaxuwepudukofatud.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/kad3ssmsdpfv9hqleshgpim2vo/futuwekekuvejasivujasa.pdfIn PDF document text
  • http://counterreaction.net/wp-content/plugins/formcraft/file-upload/server/content/files/160c9605bcea21---rulawitavoxewadelogofumi.pdfIn PDF document text
  • https://www.profiemg.cz/upload/ck/files/xisadokorenexali.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608b20dd3821f---45896701019.pdfIn PDF document text
  • https://ginecologmuresan.ro/ckfinder/userfiles/files/98573525295.pdfIn PDF document text
  • http://acunambalaj.com/adenoto/upload/files/datujoxajuxonom.pdfIn PDF document text
  • http://www.immiflex.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e34946eac7c---32202876885.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160817e891f32f---gagaliru.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae3bbd98a77---31275692642.pdfIn PDF document text
  • http://sintellect.ru/Repository/file/vetovirujiba.pdfIn PDF document text
  • https://www.andyselfstorage.co.uk/wp-content/plugins/super-forms/uploads/php/files/o95mng1fs8d8kc94vhmk8bjkuo/56918817925.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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