Malicious PDF — malware analysis report

Heuristics 7

• 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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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://asiatravel.kg/wp-content/plugins/super-forms/uploads/php/files/e9ad93a14d33f1c125e2161b81f25a61/wosumavinubomi.pdf In PDF document text

  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160850ac670323---8745285455.pdfIn PDF document text
  • https://stagerightstaging.com/wp-content/plugins/super-forms/uploads/php/files/ca9939ae305c98df1e5eb055187a070e/5170854481.pdfIn PDF document text
  • https://bibliothequedesarts.ch/ckfinder/userfiles/files/lapakuzuwili.pdfIn PDF document text
  • http://richmore.kr/uploadfile/fckeditor/file/revij.pdfIn PDF document text
  • http://sartoriaventurini.com/userfiles/files/xuvuvuputuxesofopeziw.pdfIn PDF document text
  • http://myjobcareer.net/userfiles/file/2021073023091573499.pdfIn PDF document text
  • http://teenaramainc.org/clients/875997/File/joziwuminupata.pdfIn PDF document text
  • http://uleshuzatshop.hu/files/file/kuvofegozijuzavepesekeg.pdfIn PDF document text
  • http://kbinteriery.cz/userfiles/file/zawuxategozipi.pdfIn PDF document text
  • http://www.sunarnuricomuisvealisverismerkezi.com/wp-content/plugins/super-forms/uploads/php/files/uf4d5b5irdiqkc30eavji8nlo5/kewisenojoxasabesaguk.pdfIn PDF document text
  • http://clear-es.net/yamituki-n/uploads/files/43365407884.pdfIn PDF document text
  • http://phillipwhiting.com/wp-content/plugins/formcraft/file-upload/server/content/files/160899942a3176---70789570126.pdfIn PDF document text
  • https://luyenthitoeic.info/userfiles/file/83007389486.pdfIn PDF document text
  • https://hanahana.vn/media/ftp/file/xedopeb.pdfIn PDF document text
  • http://isystemlab.com/admin/ckfinder/userfiles/files/tusunonobozikite.pdfIn PDF document text
  • https://acryl-bg.com/userfiles/file/guxagipotixosi.pdfIn PDF document text
  • https://www.alertgy.com/wp-content/plugins/super-forms/uploads/php/files/8884d3d1a0c2e323e690ad9106a2feac/xujupekenirir.pdfIn PDF document text
  • http://eprdel.cz/userfiles/file/472477772.pdfIn PDF document text
  • http://mnogonomerov.ru/uploads/file/rerevemu.pdfIn PDF document text
  • http://schodylux.pl/userfiles/file/rodabajojifi.pdfIn PDF document text
  • https://www.helpforbusymums.com/wp-content/plugins/super-forms/uploads/php/files/0b6ec34f2a3634d1885a4416f512252f/vetuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=fundamentals+of+geometric+dimensioning+and+tolerancing+third+edition+answersPDF 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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