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://krisoc.ru/uplcv?utm_term=super+smash+flash+unblocked+88 PDF link annotation

  • http://ms-krmelin.cz/app/webroot/files/files/sapabajufifevuladefiw.pdfIn PDF document text
  • https://psfund.org/public/uploads/files/cms_files/rewomiwetegete.pdfIn PDF document text
  • http://bjaimama.com/data/upload/2021/05/file/202105091519368601.pdfIn PDF document text
  • http://yuseigachi.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606ca549168e7---wevivopu.pdfIn PDF document text
  • http://escqatar.com/uploads/userfiles/file/file/9556461623.pdfIn PDF document text
  • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/vfa9jdbi30i0buo4h317r5tt1a/metigim.pdfIn PDF document text
  • http://mosvag.ru/img/lib/file/galuv.pdfIn PDF document text
  • https://hoffmanowska.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160a730705c4b8---woregexabusuraxolipibo.pdfIn PDF document text
  • http://nutricion-intravenosa.com/wp-content/plugins/super-forms/uploads/php/files/d297c2c33e340dee077df18f656ccee8/53106868346.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/8v6aprlvq0h6c8nmig315aihne/97487577024.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/rozibewo.pdfIn PDF document text
  • https://neavocats.com/wp-content/plugins/super-forms/uploads/php/files/1d8c235f6ce12a5a50493eeb9af1f2cd/23979753682.pdfIn PDF document text
  • http://notarbrazda.cz/userfiles/file/41853288837.pdfIn PDF document text
  • http://www.contectrade.hu/fckfiles/file/jopizegikusiz.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/7620e5ee4e9ac5ecaf8e75722418b6f2/8198973794.pdfIn PDF document text
  • http://evabody.ro/wp-content/plugins/formcraft/file-upload/server/content/files/16097c00c57cb9---zezelejosufapibiromit.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/d94410a5e7a88a787ec389daef261151/kaditawituvuzo.pdfIn PDF document text
  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1607d66e3b88ef---89650262558.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/160a5a2950f405---kujigeropodiw.pdfIn PDF document text
  • https://ural-aiti.ru/admin/ckfinder/userfiles/files/51847030527.pdfIn PDF document text
  • http://ccspatti.org/userfiles/file/20503824186.pdfIn PDF document text
  • https://equator-maritime.com/userfiles/file/89597235829.pdfIn PDF document text
  • http://elenasteele.com/wp-content/plugins/formcraft/file-upload/server/content/files/160be9b9e46bf5---29825019967.pdfIn PDF document text
  • https://amezdigital.com/wp-content/plugins/super-forms/uploads/php/files/65b26271202ad2cdb3e2836874df07e2/purivisopixefalaketedazu.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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