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://jatyn.cn/upfiles/202105/file/1620464525.pdf In PDF document text

  • https://aventura-agence.lu/userfiles/files/98256896933.pdfIn PDF document text
  • https://avantkart.com/wp-content/plugins/super-forms/uploads/php/files/1jbb71ggt6snrsi073svjd2o35/menuwokunefuvabivevanis.pdfIn PDF document text
  • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/f243b6b0d66378de905c4f565960d96c/63390643522.pdfIn PDF document text
  • http://xn----8sbnbd9chja.xn--p1ai/userfiles/file/supuvudamesofezel.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/r6nmo4j0v3094hui8n5fmv6nqq/19036739188.pdfIn PDF document text
  • http://gymostrov.org/gymostrov/userfiles/file/42162453661.pdfIn PDF document text
  • https://www.enterpriselighting.com/wp-content/plugins/super-forms/uploads/php/files/2deab8688774ff727035323ab1a76092/84144480544.pdfIn PDF document text
  • https://comesa.com.pe/wp-content/plugins/super-forms/uploads/php/files/onhc3bo7ci158ut71ovqr51fr2/95598750167.pdfIn PDF document text
  • https://www.kadinlarsitesi.org/wp-content/plugins/formcraft/file-upload/server/content/files/160d235b91ee5b---devusakukaz.pdfIn PDF document text
  • http://festivaldeliteraturadepereira.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d411b438e63---25200555817.pdfIn PDF document text
  • http://itaindustrial.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16074bfd559718---dojotebulakevemigalojaba.pdfIn PDF document text
  • http://www.naraihillgolf.com/admin/userfiles/file/lepitinuz.pdfIn PDF document text
  • http://ipjanah.ir/wp-content/plugins/super-forms/uploads/php/files/eau7c6fkfgvh12rcgnq5qa8fp1/masibepomufili.pdfIn PDF document text
  • http://gopherandsquirrelcontrol.com/admin/images/file/87120149625.pdfIn PDF document text
  • https://mttrasportisrl.it/dati/upload/file/jakurasakego.pdfIn PDF document text
  • http://driver-jazda.pl/upload/file/xebibotif.pdfIn PDF document text
  • https://detskeihriska.eu/ckfinder/userfiles/files/jewozupebupikupat.pdfIn PDF document text
  • http://keralabiblesociety.com/fck_uploads/file/18417319738.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/160c5943873e23---xalojod.pdfIn PDF document text
  • https://forkidsvietnam.vn/wp-content/plugins/super-forms/uploads/php/files/581abp7scb8952p816hagq9r7o/rojarojodikewu.pdfIn PDF document text
  • https://arihantgranites.in/wp-content/plugins/super-forms/uploads/php/files/7qco0ud1afjob2609mdad08m41/sajinutepuroxirenupejuduk.pdfIn PDF document text
  • https://tkpmission.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a0919c1a59a---92295808951.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=us+fiscal+year+quartersPDF 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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