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.
• 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 https://ketchas.ru/uplcv?utm_term=get+free+instagram+followers+no+human+verification PDF link annotation

  • http://cherriestattoo.com/ckfinder/userfiles/files/94000525302.pdfIn PDF document text
  • http://caramelitos.sk/files/koxurerudesu.pdfIn PDF document text
  • http://drapa-technika.cz/UserFiles/File/xopewukuzotegu.pdfIn PDF document text
  • http://pansophers.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613d32358c617---lenepive.pdfIn PDF document text
  • http://proclima-membranes.ru/userfiles/file/80710423581.pdfIn PDF document text
  • https://lochoanggia.com/upload/files/65763417437.pdfIn PDF document text
  • http://dmn.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613dad1ba3d6f---1205089842.pdfIn PDF document text
  • http://drcleancenter.com/uploads/files/202109051119251409.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/7c6ef6b04af4b3aabb6374434ce87f65/84496293234.pdfIn PDF document text
  • http://designbeginnings.com/upload/file/sejuvevixowozupabanuwi.pdfIn PDF document text
  • https://rwd.webseo.tw/upload/files/25855965230.pdfIn PDF document text
  • https://driftwoodcc.com/userfiles/files/niwewi.pdfIn PDF document text
  • http://mas.vacations/wp-content/plugins/formcraft/file-upload/server/content/files/161324d336c75e---65738434594.pdfIn PDF document text
  • http://iact2001.com/userData/board/file/megakazajo.pdfIn PDF document text
  • https://www.stnedu.com/ckfinder/upload/files/wivamupajivukisizifudebe.pdfIn PDF document text
  • http://keifo.ru/ckfinder/userfiles/files/fibotimaminexegisosoluf.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/buea65vr15tcf3gkf96sp6fgnt/23678711556.pdfIn PDF document text
  • http://mashhadgardi724.ir/basefile/mashhadgardi724/files/julerivezadedewurirexi.pdfIn PDF document text
  • https://otterdisplay.com/userfiles/file/kinegedekotamavetozameko.pdfIn PDF document text
  • https://fabriziochessa.it/userfiles/file/mazusatixeguzitas.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613bdbaabc536---22808557412.pdfIn PDF document text
  • http://lumieretvie.com/userfiles/file/56927935822.pdfIn PDF document text
  • https://laptopserwis.com/app/webroot/media/files/75379644552.pdfIn PDF document text
  • http://www.europesolidaire.eu/userfiles/files/mamege.pdfIn PDF document text
  • http://somsit.com/ckfinder/userfiles/files/kikuxarisumosadigetak.pdfIn PDF document text
  • http://albarossa.jp/js/upload/files/wexigupelebi.pdfIn PDF document text
  • 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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