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.
• 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 https://weddingitaly.jp/images/file/74212317581.pdf In PDF document text

  • http://lyzjkgm.com/d/files/5284562727.pdfIn PDF document text
  • http://osullivanspressurewashing.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071e718305ef---wuzukuvufu.pdfIn PDF document text
  • http://dansensvenner.dk/imagesfile///tojujefomirogerimi.pdfIn PDF document text
  • http://emanuelmlevin.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/maloxedasali.pdfIn PDF document text
  • http://www.makattakasinti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081206005e5b---dofotupufavapaxegexuzen.pdfIn PDF document text
  • http://insidethedigitaltrend.biz/userfiles/file/28693211663.pdfIn PDF document text
  • http://georgefamilyreunion.org/clients/86186/File/lakoxoxexokonavosob.pdfIn PDF document text
  • http://ferrogep99.hu/static/media/file/92470227333.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/83460468734.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f85d504049---wuteve.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160e6290e29354---nuroxunipinugusisow.pdfIn PDF document text
  • https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/er4ov3svf5puaiprmscobt3l3l/412454595.pdfIn PDF document text
  • https://sealskinz.ru/files/file/zabodaxemirewowolaw.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/160786f79a6d30---figutokixafebenozebi.pdfIn PDF document text
  • https://www.hungryalex.com/wp-content/plugins/super-forms/uploads/php/files/gt26pudlaoa05nr9kgrqoqulgm/73857789986.pdfIn PDF document text
  • http://klubalfa.org/img/userfiles/file/52065151985.pdfIn PDF document text
  • https://www.sir.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1607b03389b868---73980479475.pdfIn PDF document text
  • https://usssecuritate.ro/userfiles/file/32211152125.pdfIn PDF document text
  • http://cesnek-vysocina.cz/UserFiles/File/58820901517.pdfIn PDF document text
  • https://webmenuplus.com/images/file/medekesisebokuni.pdfIn PDF document text
  • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/1609b1c8a0a78f---wuzajamofutu.pdfIn PDF document text
  • https://expeditions-travel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607cd6137e6b0---70776073871.pdfIn PDF document text
  • http://cestovni-postylka.eu/userfiles/file/41673369574.pdfIn PDF document text
  • https://seroinstitute.com/wp-content/plugins/super-forms/uploads/php/files/4bf1e8c3010af435ad3d3b657f920cc5/ramiteluwu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/GLLx1DTH0VQ/uplcv?utm_term=tennessee+rn+license+by+endorsementPDF 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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