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://crysiq.ru/uplcv?utm_term=moldiv+collage+maker PDF link annotation

  • http://chunmianxian.com/upfolder/e/files/20210901110111.pdfIn PDF document text
  • http://fkjz.cn/upload/files/2021/09/202109121911093641.pdfIn PDF document text
  • https://crc.creativechange.net/ckfinder/userfiles/files/98643082773.pdfIn PDF document text
  • https://trainova.com/userfiles/file/dotadizes.pdfIn PDF document text
  • http://express-service-auto.fr/ckeditor/ckfinder/userfiles/files/50255956748.pdfIn PDF document text
  • http://www.barankayalar.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161480acfa3ab0---52896632045.pdfIn PDF document text
  • https://812423.situshoki1.com/contents/files/10296956695.pdfIn PDF document text
  • http://coeb.eu/userfiles/files/xokixudibejusigu.pdfIn PDF document text
  • http://perechen-jurnalov.ru/js/ckfinder/userfiles/files/5225722168.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/5f534c18d8ad02dffc1cc21fff552811/35078254247.pdfIn PDF document text
  • https://sheenabusesandcoaches.com/userfiles/file/38920114842.pdfIn PDF document text
  • https://globalcareerclub.com/FCKeditor/userfiles/file/53116305500.pdfIn PDF document text
  • http://admio.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16140f8b98d189---zozedujoduxuva.pdfIn PDF document text
  • http://stagelight.pl/userfiles/files/62641845995.pdfIn PDF document text
  • http://volvo-cars.jp/js/upload/files/59629640885.pdfIn PDF document text
  • http://qtjdb.com/UploadFile/2021/09/24/file/20210924_202503_155.pdfIn PDF document text
  • http://stin-verdon.fr/assets/Image/files/40550876607.pdfIn PDF document text
  • https://duel.pl/userfiles/file/bovefexipiwokelijinati.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/4c2e52db3936bfa73cbae35ca787fd43/lepakepozovobejo.pdfIn PDF document text
  • https://cleanenergy.mn/uploads/files/wawupi.pdfIn PDF document text
  • https://afra24.com/basefile/afra24/files/75472210189.pdfIn PDF document text
  • http://ampletrekking.com/userfiles/file/rodonel.pdfIn PDF document text
  • http://client.diffuse.info/files/22735464728.pdfIn PDF document text
  • http://uptownfallschurch.com/uploads/files/kewizojekazenavigut.pdfIn PDF document text
  • http://thaimassagemodel.com/ckfinder/userfiles/files/fuxawov.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/1613a908361f77---94213829946.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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