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://coretry.ru/uplcv?utm_term=mv+master+real+app+download PDF link annotation

  • http://tivatijapan.com/uploads/userfiles/file/52444423711.pdfIn PDF document text
  • https://xn--64-mlcufjjaii0l.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/8a68489330af7636286c13c975fbe148/93796082506.pdfIn PDF document text
  • http://xhslsh.gdx.cn/ckfinder/userfiles/files/fuduvubixuzajetokadutaxif.pdfIn PDF document text
  • http://regmac.net/userfiles/files/fozidopevukesevarisof.pdfIn PDF document text
  • https://avistravel.ro/userfiles/file/xiluwewukemoxal.pdfIn PDF document text
  • http://www.unidacardoso.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/161456038eb085---28061619695.pdfIn PDF document text
  • https://ever.dacola.com/upload/files/69388747856.pdfIn PDF document text
  • https://imad0c0.com/js/ckfinder/userfiles/files/lobotol.pdfIn PDF document text
  • http://waterlootour.com/FileData/ckfinder/files/20210916_88E1A467627B92AA.pdfIn PDF document text
  • http://kyea.org/imageuploads/nasapezivexepe.pdfIn PDF document text
  • https://www.hungarianassociation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f9c267236f---23089896652.pdfIn PDF document text
  • https://inprovitparaguay.com/ckfinder/userfiles/files/84988801105.pdfIn PDF document text
  • http://gfk-schwimmbad.de/i/File/sejapepuwujiz.pdfIn PDF document text
  • https://tttinox.com/upload/userfiles/files/59203325740.pdfIn PDF document text
  • https://moniimpex.com/wp-content/plugins/formcraft/file-upload/server/content/files/161313c8d3db9e---rupuver.pdfIn PDF document text
  • https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/56274987186.pdfIn PDF document text
  • https://seikai.jp/free_images/files/82068998337.pdfIn PDF document text
  • http://anticacarsulaeborzoi.eu/userfiles/files/rugifemojajafinokufizenij.pdfIn PDF document text
  • https://szabobuszrendeles.hu/files/files/jekifidi.pdfIn PDF document text
  • https://www.sacict.or.th/ckfinder/userfiles/files/nawuza.pdfIn PDF document text
  • http://jrecchina.com/ckeditor/ckfinder/userfiles/files/18403717416.pdfIn PDF document text
  • https://lanna-flyingclub.com/ckfinder/userfiles/files/pevaluredizibawepuvarurug.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/b6b8de2f6f5099bf9b9a4209f014ef2a/nojakalelavuja.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/161414fd47ced5---86094838443.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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