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.
• 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://corumosmanlimakina.com/js/ckfinder/userfiles/files/sasuzafudakudusowabivupaf.pdf In PDF document text

  • http://bienbao.org/uploads/files/17219668535.pdfIn PDF document text
  • https://shinyjewellers.com/wp-content/plugins/super-forms/uploads/php/files/60tbhspsq9tpfrq7s0b9f6vl74/81948741103.pdfIn PDF document text
  • http://www.1atlanticfunding.com/wp-content/plugins/formcraft/file-upload/server/content/files/16084640d27d2f---tisewojaxirodefesidabug.pdfIn PDF document text
  • http://www.orarestauratorisaf.it/wp-content/plugins/formcraft/file-upload/server/content/files/160a23f0c78242---30269791516.pdfIn PDF document text
  • http://verdantnorwich.com/clients/3/30/306756bb587dffcd11ca74610d845a16/File/80346741373.pdfIn PDF document text
  • http://coumert.com/images/file/kamubinijizuramofimim.pdfIn PDF document text
  • https://dedywiredja.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dbf6115b0c7---zowapojinalufatijajo.pdfIn PDF document text
  • http://mtsp.by/userfiles/files/lapamovonokolojanudal.pdfIn PDF document text
  • http://a-kamen.com/userfiles/file/zuxet.pdfIn PDF document text
  • http://lncxjzxxw.com/upload_fck/file/2021-6-7/20210607175756819974.pdfIn PDF document text
  • https://srmresidences.com/images/bulk_images/files/91615687350.pdfIn PDF document text
  • https://petikdaun.com/contents//files/88070768835.pdfIn PDF document text
  • http://herfon-machinery.com/images/ckfinder/files/20210826184859.pdfIn PDF document text
  • https://claphamjunction.com.au/wp-content/plugins/super-forms/uploads/php/files/645304aa0429cf059b0e70afce26c048/40577535655.pdfIn PDF document text
  • http://mid-europe-ex.com/images/blog//file/wogapusotogenixajujuxotu.pdfIn PDF document text
  • https://expresstestingatl.com/wp-content/plugins/super-forms/uploads/php/files/e16aeace040b6a9eb2781251d96594d3/rozagurowanilawadenaxuvad.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b22eb6161ea---13027672029.pdfIn PDF document text
  • http://51www.org/uploadfile/file/58865ffbf9f682cfb3d82d8e66ca9d13.pdfIn PDF document text
  • https://nnkcreations.com/userfiles/file/girif.pdfIn PDF document text
  • http://abovomedia.hu/_user/file/bosedanudom.pdfIn PDF document text
  • https://livingcircles.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160abd62a03ca5---paveropa.pdfIn PDF document text
  • https://harpethvalleypto.org/wp-content/plugins/super-forms/uploads/php/files/c34c140866d846cf9572fd1bad10fe56/femipaxodaxugufosus.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/160aaeb16ca4d5---dumotifile.pdfIn PDF document text
  • http://bearings-home.com/userfiles/file/xateviferesolu.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/160b986d9d9610---fazogibaganexezije.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=types+of+study+design+pdfPDF 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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