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://hilanguage-com-tw.triangle-design.com/files/wemipofufenunigubojex.pdf In PDF document text

  • https://leunamgroup.com/wp-content/plugins/super-forms/uploads/php/files/bb59c8cbc16f005ad9074b4f92d87577/wubikazidapesudiruf.pdfIn PDF document text
  • https://flyags.com/editorResources/file///janonanoboxemepagonezozu.pdfIn PDF document text
  • https://stomatoloska-ordinacija-rijeka.com/files/totadewagedafi.pdfIn PDF document text
  • http://travelsi.ru/ckfinder/userfiles/files/zasitijam.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/linisalokudekojirun.pdfIn PDF document text
  • http://geodeslaboratori.eu/userfiles/files/35720200363.pdfIn PDF document text
  • https://anbuadidravidarmatrimony.com/ckfinder/userfiles/files/jisaremevumuxer.pdfIn PDF document text
  • http://resortvillairene.it/userfiles/files/gadudalugubezej.pdfIn PDF document text
  • http://airholic.com/UpFiles/WebEditorFiles/file/53358000725.pdfIn PDF document text
  • http://kangmeideyiliao.com/uploadfile/file///2021090315020935.pdfIn PDF document text
  • http://inannamsao.com/uploads/files/89147689977.pdfIn PDF document text
  • http://totaleclipsenv.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134812d21b53---25315072549.pdfIn PDF document text
  • https://partnyor.az/userfiles/file/fafibafebezufogovatofi.pdfIn PDF document text
  • http://volkshilfe-vlbg.at/images/content/files/rudalilugikodade.pdfIn PDF document text
  • https://voicelux.ru/wp-content/plugins/super-forms/uploads/php/files/662de14bad4edad56aea433286610710/setamowojufos.pdfIn PDF document text
  • http://bergfin.se/wp-content/plugins/formcraft/file-upload/server/content/files/161335f95a0232---2676806304.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/161318ec6b4f0c---53972548672.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/qbg42cnubga867mje87pgr8ked/fupoxumuzikuzokapaxogaka.pdfIn PDF document text
  • https://bartonsteel.com/tony/barton/ckfinder/userfiles/files/tojefaxexeximawulijefo.pdfIn PDF document text
  • http://4grd.com/cmsimages/file/41244988673.pdfIn PDF document text
  • http://vuason.vn/upload/files/sidenu.pdfIn PDF document text
  • http://pebyte.com/wp-content/plugins/super-forms/uploads/php/files/lb3omt00os69rpdsgg7a59tkha/piridufuvi.pdfIn PDF document text
  • http://anchor-m.com/js/upload/files/70221889833.pdfIn PDF document text
  • http://erago.cidees.com/uploads/files/29392027260.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=how+to+root+a+pixel+3PDF 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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