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://calienglish.com/ckfinder/images_store/files/bogidodibitukifawekad.pdf In PDF document text

  • https://hzautomatisering.nl/userfiles/file/63446904152.pdfIn PDF document text
  • http://sanphamhanquocymy.com/uploads/files/41947519533.pdfIn PDF document text
  • http://asja-doll.ru/userfiles/file/20330620216.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/d38u496bm18fv5l79pmt0vh57c/bupifetugatir.pdfIn PDF document text
  • http://sportsbettingconsultants.net/cote_dor_import/admin/ckfinder/userfiles/files/66136877918.pdfIn PDF document text
  • https://ngenadmin2.nextgenphotosolutions-beta.com/app/webroot/files/file/97923500269.pdfIn PDF document text
  • http://thuaphatlailongthanh.com/upload/contentFile/minhchau/file/24220373872.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/d1c7e3d0od6urvbjdgeu6lc9rl/22887079954.pdfIn PDF document text
  • http://xn--o39a91gvwm83kbsn.com/FileData/ckfinder/files/20210919_CC033D78281B4FC8.pdfIn PDF document text
  • http://tantex.org/tantex/tantexuserfiles/file/binikurozujelu.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614f97d80d1f3---61753809259.pdfIn PDF document text
  • https://gjbuyerbroker.com/userfiles/file/furediferujum.pdfIn PDF document text
  • https://mimpiindah88.com/contents/files/razosep.pdfIn PDF document text
  • http://tgroupsrl.com/userfiles/files/23252658683.pdfIn PDF document text
  • https://trsbarriersdirect.com/wp-content/plugins/super-forms/uploads/php/files/46otfva23pnfj6pvebtdnjrv2m/30819597432.pdfIn PDF document text
  • https://0800-707-808.com/upload/ckfinder_temp/files/20211001222808.pdfIn PDF document text
  • https://ibliberia.com/ckfinder/userfiles/files/rekezuj.pdfIn PDF document text
  • https://menu2uplus.com/images/file/74039872119.pdfIn PDF document text
  • http://taiwanquinoafamily.com/shopadmin/upload/files/63595701760.pdfIn PDF document text
  • https://marugame.hk/editor_upload/file/84324770634.pdfIn PDF document text
  • http://grani-tonkogo-mira.ru/wp-content/plugins/super-forms/uploads/php/files/341fc48e67374e6afb9daaa4ff350ddc/xixelasidozumi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=how+do+you+say+go+in+spanishPDF link annotation
  • 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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