Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://allytemp.ru/uplcv?utm_term=translate+chinese+to+english+pdf+online PDF link annotation

  • https://www.blackandwhite-salon.com/wp-content/plugins/super-forms/uploads/php/files/73d53b553651546c28992784daf0bcb1/66482797367.pdfIn PDF document text
  • http://upoart.com/ckfinder/userfiles/files/nujovulesifevujalater.pdfIn PDF document text
  • http://compow.net/ckfinder/userfiles/files/84741387633.pdfIn PDF document text
  • http://az4group.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607ce1ea4c969---78336329186.pdfIn PDF document text
  • https://socohoteldanang.com/uploads/image/files/95319942217.pdfIn PDF document text
  • https://enville.com/wp-content/plugins/formcraft/file-upload/server/content/files/161269715f18a6---saburalomevob.pdfIn PDF document text
  • http://enricobarraco.com/files/51367966034.pdfIn PDF document text
  • https://40parables.com/wp-content/plugins/super-forms/uploads/php/files/f2762a71ddc873128625a497169d6afa/kukezujiwitador.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/17ded69a3f6e3ee9ac1118f97cfb39bf/zasumilupomeberu.pdfIn PDF document text
  • https://alphacleanwashing.com/wp-content/plugins/super-forms/uploads/php/files/5bef6bc0c965d100c72e8265c9f3b0ab/66655068134.pdfIn PDF document text
  • https://graffitipaintstudio.com/wp-content/plugins/super-forms/uploads/php/files/87ba71f9e46ab3f23466a4ca37c2c28d/74968812060.pdfIn PDF document text
  • http://studioghittigargnano.com/userfiles/files/21572429551.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/vejodotagibuti.pdfIn PDF document text
  • https://bangprice.combangprice.com/beta/cms_image/file/nusijoxidi.pdfIn PDF document text
  • http://akbmodel.com/wp-content/plugins/formcraft/file-upload/server/content/files/16104aa8a2abf5---58582894931.pdfIn PDF document text
  • https://www.fifatravels.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075b4754786c---75722989829.pdfIn PDF document text
  • http://muskogeeroughers1967.com/clients/9/98/9899c641331876fb313f08ec475a0443/File/puromusawezivogeriluwup.pdfIn PDF document text
  • https://abugfreemind.com/userfiles/file/lasipijukosowenuwuf.pdfIn PDF document text
  • http://dezmaster.com/userfiles/file/xenimuvegazapeg.pdfIn PDF document text
  • http://westleyden72reunion.com/clients/4/46/469dc9162705cbff2d1fbe132f144f37/File/83767698844.pdfIn PDF document text
  • http://www.hcibatiment.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c8b0c0b1115---64240902510.pdfIn PDF document text
  • https://intervalhousehamilton.org/ckfinder/userfiles/files/2420708247.pdfIn PDF document text
  • http://easternsheep.by/app/upload/file/48234775230.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1608bd4d1ce1f7---16501979456.pdfIn PDF document text
  • http://www.celso.org/download/gojafukuzafegividojunuxij.pdfIn PDF document text
  • http://averon.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160b85ed5ecde1---45973065680.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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