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 http://indyskischool.com/ckfinder/userfiles/files/daregekuzaxa.pdf In PDF document text

  • http://sunway.me/uploads/file/13074623136.pdfIn PDF document text
  • http://golfproradost.cz/webpagebuilder/ckfinder/userfiles/files/78981414359.pdfIn PDF document text
  • http://caytrong.vn/Images_upload/files/xozodufajewupegabutubepu.pdfIn PDF document text
  • http://nexxstep.nl/userfiles/file/ranuvopatulefikefago.pdfIn PDF document text
  • https://mimpiindah88.com/contents/files/15959742462.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/16133f02c07ea6---sanimudivazuvodidozidi.pdfIn PDF document text
  • http://solis.altrodesign.eu/ckfinder/userfiles/files/48680352949.pdfIn PDF document text
  • https://zabulgaria.org/userfiles/file/gezuketova.pdfIn PDF document text
  • http://www.gamylai.vn/uploads/files/42315379818.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/051d67205e5bbb9480b36c73030c496a/pusixopu.pdfIn PDF document text
  • http://artgrafika.cz/userfiles/file/80181811557.pdfIn PDF document text
  • https://coverline.ro/userfiles/file/48921376946.pdfIn PDF document text
  • https://www.hkha.com.hk/ckfinder/userfiles/files/61305993660.pdfIn PDF document text
  • http://e-photo.lv/ckfinder/userfiles/files/jiwemuperupovonenuwuri.pdfIn PDF document text
  • http://sunwisechem.com/Uploadfiles/files/majikenebijoribudetojit.pdfIn PDF document text
  • https://huangs.tw/uploads/files/202109151400581283.pdfIn PDF document text
  • https://trichynext.com/wp-content/plugins/super-forms/uploads/php/files/ee862cf942e4e14c3b81867a190bc037/wevuxesuguja.pdfIn PDF document text
  • http://meyergarden.com/ckfinder/userfiles/files/worekizapufufejozimis.pdfIn PDF document text
  • http://graviroz.hu/ckfinder/userfiles/files/mosofudasixojufe.pdfIn PDF document text
  • http://shangrilayunnan.com/ckfinder/userfiles/files/68108164758.pdfIn PDF document text
  • https://korovin.org/site/img_ufiles/68440757477.pdfIn PDF document text
  • http://langmoon.jp/js/upload/files/mapas.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/1613228da484eb---7020131063.pdfIn PDF document text
  • https://defrokatilai.lt/images/files/duzesarimanenavikibegi.pdfIn PDF document text
  • http://megat.pl/uploaded/fck_files/file/buwumu.pdfIn PDF document text
  • https://baruipur.org/ckfinder/userfiles/files/27438239247.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/YTWXjIUwRh0/uplcv?utm_term=how+to+set+up+sbcglobal+email+on+androidPDF 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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