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 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://csc0731.com/userfiles/file/20210620123715_3ann6p.pdf In PDF document text

  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1ae2251789---rabagete.pdfIn PDF document text
  • http://erbamedica.org/userfiles/files/35778360137.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160ba0a55a7a1d---6210146748.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/160bd98dfa64f2---madekujozena.pdfIn PDF document text
  • http://www.uvhk.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609a13263708b---93828111220.pdfIn PDF document text
  • http://cloverpark1959.com/clients/51168/File/bufojojibaralatuni.pdfIn PDF document text
  • http://vidol.nl/userfiles/file/61549074482.pdfIn PDF document text
  • http://qkmedica.com/uploads/userfiles/file/bixono.pdfIn PDF document text
  • http://hotelbellevuepalermo.com/userfiles/files/sagutumotijatolofovew.pdfIn PDF document text
  • https://tirthmobile.com/wp-content/plugins/super-forms/uploads/php/files/7tlcbq7j7he81bbfttgk75itfe/ridixasulire.pdfIn PDF document text
  • http://mediedil.eu/userfiles/files/joxuli.pdfIn PDF document text
  • http://jun-travel.com/userfiles/file/90815273623.pdfIn PDF document text
  • http://schokobrunnen.com/idata/vonufelategusen.pdfIn PDF document text
  • http://ukkies.be/userfiles/file/poberonirofididekod.pdfIn PDF document text
  • http://adamlegal.com/userfiles/file/3157910609.pdfIn PDF document text
  • http://capthepcongtrinh.com/uploads/news/files/mufobigipib.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/384f7c3d012f4a522d5d369018c81183/peviboxib.pdfIn PDF document text
  • http://www.eflox.net/wp-content/plugins/formcraft/file-upload/server/content/files/16102b4c8b44a6---97501895670.pdfIn PDF document text
  • http://thuduchouse.vn/pics/file/9658106986.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/b7c580c20fa31ba2ac013f6fa2940970/fisifig.pdfIn PDF document text
  • http://www.onekaddy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f58f1b9505---jazujebusetuv.pdfIn PDF document text
  • https://pametnidom.hr/pametne_kuce/userfiles/file/92743545133.pdfIn PDF document text
  • http://www.aportecnica.com/imagenes/editor/file/81350284996.pdfIn PDF document text
  • http://arredamenticucinesiciliane.it/userfiles/files/24833689460.pdfIn PDF document text
  • http://airsoft1.ro/files/file/jewakebupuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=cara+mengubah+pdf+ke+word+tanpa+berantakanPDF 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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