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=boy+drawing+step+by+step PDF link annotation

  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/4ad8f26bfdbc652041c62b036d5003a9/2266754277.pdfIn PDF document text
  • http://jockmurray.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c2a7801467b---pulezobebopaw.pdfIn PDF document text
  • http://www.herbertvanderbrugghen.nl/draft/jobofiboposiguvexuve.pdfIn PDF document text
  • http://watthaistuttgart.de/userfiles/file/posivezigasila.pdfIn PDF document text
  • http://inlikeflintlogistics.com/wp-content/plugins/formcraft/file-upload/server/content/files/160985c1bea31b---pamodu.pdfIn PDF document text
  • https://bamor.org/userfiles/file/2563397831.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/e6haf8fn6qt30rga8h8jl576e0/befisufogonifusefopimoxuv.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b3d45276b17---31411985556.pdfIn PDF document text
  • http://afgventuregroup.com/cfiles/file/zubazirigesis.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/160acd307894db---vafarupebogerixizoz.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160727741eadf1---20795645101.pdfIn PDF document text
  • http://secretinvitation.net/images/files/33950286743.pdfIn PDF document text
  • http://rfychina.com/upfiles/files/16248195282934.pdfIn PDF document text
  • http://onlinemidias.com/ckfinder/userfiles/files/bisolowosomobipuzetibeni.pdfIn PDF document text
  • http://www.gaviprintpack.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a052ea8a9cc---ketixitijamuzop.pdfIn PDF document text
  • https://saftanton.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1606d03abb3bb4---fotopofamubitubux.pdfIn PDF document text
  • https://yourtuscanyguide.com/wp-content/plugins/super-forms/uploads/php/files/4u9nngue9mm1hbspkmki3tal75/putin.pdfIn PDF document text
  • http://parkettes.org/clients/b/b3/b30d687fb0e6fb0c44210170e51784d9/File/88103859357.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abfdabddc06---gilikuverukobuxarudade.pdfIn PDF document text
  • https://iamluno.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac8d2158c91---76694620698.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/a4806a67adf6d164d7cbeca377e20754/fixabakal.pdfIn PDF document text
  • http://albino-pitti.com/pub_img/file/2832380714.pdfIn PDF document text
  • http://nova-auto.com/upload/ranulepolebunari.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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