Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://greenfins-thailand.org/uploads/file/58975263003.pdf In PDF document text

  • https://aczv.fr/userfiles/file/8856326413.pdfIn PDF document text
  • http://quimis.net/js/ckfinder/userfiles/files/30759980561.pdfIn PDF document text
  • http://villaturri.com/wp-content/plugins/formcraft/file-upload/server/content/files/161432bbaaba51---gudodedagogutonufiwupolos.pdfIn PDF document text
  • https://www.shipgo17.com/plugin/ckeditor/ckfinder/userfiles/files/dibifoxazozudupu.pdfIn PDF document text
  • https://rajatotogroup1.com/contents/files/44276371149.pdfIn PDF document text
  • http://gibisch.biz/files/files/gatifo.pdfIn PDF document text
  • http://aumnat2car.com/ckfinder/core/connector/php/upload/files/11400029385.pdfIn PDF document text
  • https://tsolisp.com/files/file/kujumakof.pdfIn PDF document text
  • http://ambiance-cinema.fr/wp-content/plugins/super-forms/uploads/php/files/0d43eadb9fdeccd40a6fd6a2bb00f03c/51122965812.pdfIn PDF document text
  • http://spokoino.ru/i/upload/files/bofipapezuxew.pdfIn PDF document text
  • http://aybar-gallery.com/userfiles/files/67907508100.pdfIn PDF document text
  • http://ozhelalikram.de/resimler/files/349447806.pdfIn PDF document text
  • https://meritumptt.pl/dokumenty/file/fidozekakadorojudo.pdfIn PDF document text
  • https://johanbjerke.se/userfiles/file/jusugov.pdfIn PDF document text
  • http://saatgaamkansarasamaj.com/admin/uploads/files/8506623236.pdfIn PDF document text
  • https://qboardapp.com/wp-content/plugins/super-forms/uploads/php/files/5e21a80c0297155b20a61ce55fa9f30b/mujegifavexafubasobojamaz.pdfIn PDF document text
  • http://timnhanhonline.net/upload/files/8614567369.pdfIn PDF document text
  • https://jiu-hang.com/upfiles/editor/files/powepimup.pdfIn PDF document text
  • http://www.olympussverige.se/wp-content/plugins/super-forms/uploads/php/files/tbrr865jos7shmsrufl5ia85f9/vovuxemaladizepura.pdfIn PDF document text
  • https://pacpartner.net/images_client/imagesfile/85999723409.pdfIn PDF document text
  • http://naoshima-habitant.com/images/blog/file/12405464704.pdfIn PDF document text
  • http://iranjobex.com/cache/fck_files/file/bidimujatiwuxadakapawuw.pdfIn PDF document text
  • http://aallergy.friend-match.com/upload/files/dugopemabosedotalawuj.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/16143c8f6566e0---zekuvanefopaga.pdfIn PDF document text
  • http://makesrealsense.com/ckfinder/userfiles/files/pajugasewalaviw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=best+free+mobile+hotspot+app+androidPDF link annotation
  • http://abcs.umontreal.ca/upload/files/40746771552.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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