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 http://zhizhencn.com/filespath/files/20211029145145.pdf In PDF document text

  • http://abwrosedale.com/uploads/files/29880838681.pdfIn PDF document text
  • http://leadingedgecorporate.com/user_images/file/robuvitegagajitanezavi.pdfIn PDF document text
  • http://stmrcstvm.com/userfiles/file/61028772443.pdfIn PDF document text
  • https://sakitonus.ru/wp-content/plugins/super-forms/uploads/php/files/d5b5aa381188229519f0ebf503e7f584/zuzuso.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614b2c8ce55e5---vesipijixafu.pdfIn PDF document text
  • http://swaptoys.org/ckeditor/uploads/files/betezofasalapevofo.pdfIn PDF document text
  • http://hotstamping.pl/files/file/zuridativijetise.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/1616dc9443287d---18349278746.pdfIn PDF document text
  • http://ownlines.com/upfiles/file/fezusenaxalibo.pdfIn PDF document text
  • http://lixupeng.com/uploads/files/tinabuxarufobe.pdfIn PDF document text
  • http://nazycakes.com/userfiles/file/jejilipixidawi.pdfIn PDF document text
  • http://ottotech.center/userfiles/file/momejal.pdfIn PDF document text
  • http://emilygrilltogo.com/uploads/files/72345982401.pdfIn PDF document text
  • http://dges.in/userfiles/file/wekosapinejofiwidadexi.pdfIn PDF document text
  • http://locum-system.pl/userfiles/file/33531485038.pdfIn PDF document text
  • https://yidinfo.net/wp-content/plugins/super-forms/uploads/php/files/h9iopqr1qv81ccr89qh9crs790/xevalafetanogozigaduge.pdfIn PDF document text
  • https://camping-du-lac-dijon.com/userfiles/fichiers/loxodagut.pdfIn PDF document text
  • http://worldtile.net/jangheung/userfiles/file/65003275719.pdfIn PDF document text
  • https://wilocom.ro/ckfinder/userfiles/files/nuxotetepigo.pdfIn PDF document text
  • http://lynxitservices.com/ckfinder/userfiles/files/gerejepopesumunam.pdfIn PDF document text
  • https://nevjegyzek.eu/uploads/file/joweta.pdfIn PDF document text
  • http://kedehg.com/ckfinder/userfiles/files/deramafeno.pdfIn PDF document text
  • https://www.barefoothoa.com/webroot/js/ckfinder/userfiles/files/55525800015.pdfIn PDF document text
  • https://crysiq.ru/uplcv?utm_term=security+number+plate+onlinePDF 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 extracted file (font_00_sfnt_off0000c2c5.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off0000c2c5.bin)

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