Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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.
• 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://www.coverseg.com/uploads/ckfinder/files/vejetirepiz.pdf In PDF document text

  • http://studiofranzoni.eu/userfiles/files/27052681909.pdfIn PDF document text
  • http://tianlanip.com/filespath/files/20210926172017.pdfIn PDF document text
  • https://www.educazionesessuale-scuola.ch/ck/ckfinder/userfiles/files/94441392791.pdfIn PDF document text
  • https://tierlistei.ch/downloads/7205063314.pdfIn PDF document text
  • http://superazs.ru/images/news/file/44550181487.pdfIn PDF document text
  • https://8-hi.dataroom.tw/upload/file/79065095749.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/eee4e3f09286a08d5b2b40302678c83f/69252554881.pdfIn PDF document text
  • http://sun-eko.eu/files/file/18713726283.pdfIn PDF document text
  • http://robotsuk.com/luckingbros.co.uk/userfiles/files/85094260327.pdfIn PDF document text
  • https://astoraccessories.com/uploads/ckfinder/files/17441944698.pdfIn PDF document text
  • http://www.theagentpipeline.com/wp-content/plugins/formcraft/file-upload/server/content/files/161509368bc6e0---75706646165.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/boxegilutulaxetudosakopaj.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/161365d45aa981---68029217290.pdfIn PDF document text
  • http://d-a-s.cn/userfiles/file/19287019139.pdfIn PDF document text
  • http://karlsbach.de/userfiles/files/11949773985.pdfIn PDF document text
  • https://siriusdynamics.com/assets/uploads/files/1157989571.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613b46c7f2f4a---40877181981.pdfIn PDF document text
  • https://linker.tw/files/debofikipa.pdfIn PDF document text
  • http://thebankcardservice.com/uploads/files/48966275172.pdfIn PDF document text
  • http://satit.nrru.ac.th/satit/_Adminis/ckfinder/userfiles/files/kakujutufiwesinos.pdfIn PDF document text
  • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/c43hnf2uio836p77lnu4le0kg4/3204737974.pdfIn PDF document text
  • http://tecsun-moscow.ru/docs/file/70282977617.pdfIn PDF document text
  • http://xz-brand.com/ckfinder/userfiles/files/wajedas.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/192762598.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=pes+20+ppsspp+downloadPDF 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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