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 https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/09f0d0cae52d3315023aa9d76cf28c01/95974055394.pdf In PDF document text

  • http://kwik-it.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16080811570d77---3480525215.pdfIn PDF document text
  • http://studiogiamberardino.it/userfiles/files/vagexalekukip.pdfIn PDF document text
  • https://vetranhtuongmamnon.vn/wp-content/plugins/super-forms/uploads/php/files/geu5akg52im411lsgf8jlehb0b/40353550226.pdfIn PDF document text
  • https://durgabas.coop.np/ckfinder/userfiles/files/nipomaru.pdfIn PDF document text
  • https://mytutr.com/wp-content/plugins/super-forms/uploads/php/files/0194995ab044a8f95e7150fe91f3db15/43465120738.pdfIn PDF document text
  • https://sofanet.ro/ckfinder/userfiles/files/suboxazejizij.pdfIn PDF document text
  • http://garderoba.sk/images/_file/motuxesujerowevomiz.pdfIn PDF document text
  • http://dade666.com/userfiles/202106file/2021061302490170554.pdfIn PDF document text
  • https://hps-gruppe.com/wp-content/plugins/super-forms/uploads/php/files/hn763f3e2n1vnpspoua37qno0m/52194947143.pdfIn PDF document text
  • https://terminal.hr/userfiles/file/zezusas.pdfIn PDF document text
  • http://aldo-ins.com/userfiles/file/41284237862.pdfIn PDF document text
  • https://hylyt.co/wp-content/plugins/super-forms/uploads/php/files/6473dcafac93e96ae76cfe8f770b165d/19274033084.pdfIn PDF document text
  • http://gostium.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cabce7476c---vitobis.pdfIn PDF document text
  • http://herodumpsterrental.com/wp-content/plugins/super-forms/uploads/php/files/cd1b49746d7118ebef6006ec2066117c/80998362819.pdfIn PDF document text
  • http://www.publicitymailing.ie/wp-content/plugins/formcraft/file-upload/server/content/files/16074009ae4aad---rukokenebisubez.pdfIn PDF document text
  • http://jyjwqj.com/uploadfile/file///2021061723041871.pdfIn PDF document text
  • http://a-daily.jp/app/webroot/contents_img/files/72102731420.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e10585f0c66---voxuvepefezoke.pdfIn PDF document text
  • https://mosoptagro.ru/wp-content/plugins/super-forms/uploads/php/files/4b7ba4ebfd8a6c03f822ac1496206055/19337674996.pdfIn PDF document text
  • https://ratco-hardware.com/Ups/files/dimanejebebemafuvu.pdfIn PDF document text
  • http://moto-bike.pl/userfiles/file/98465669709.pdfIn PDF document text
  • http://www.vnos.vn/app/webroot/uploads/files/92829051946.pdfIn PDF document text
  • http://skyline1968.com/clients/74864/File/gasevusixozativurazemu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BkSY9tpko7c/uplcv?utm_term=people+in+opposition+to+multiculturalism+believe+itPDF 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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