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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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://krisoc.ru/uplcv?utm_term=what+do+fowler+toads+eat PDF link annotation

  • http://veraschwemmle.de/fckdata/file/loduvilomukirapokusekude.pdfIn PDF document text
  • http://www.brennholz-heinlein.de/wp-content/plugins/formcraft/file-upload/server/content/files/16083b8f605113---66774381581.pdfIn PDF document text
  • http://botosani.ro/img/uploads/file/vadakig.pdfIn PDF document text
  • http://airelimpio.mx/img/editor/file/66943710623.pdfIn PDF document text
  • https://suhrsmad.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160bea46b58a21---13328775336.pdfIn PDF document text
  • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607526463162d---xuwitejovapowumawixowaga.pdfPDF link annotation
  • https://ag-concept.ru/wp-content/plugins/super-forms/uploads/php/files/0c6160a896886317cf8a33ee117d9a19/gulofetilike.pdfIn PDF document text
  • https://xistenze.com/files/files/zemomerozegorarazomuga.pdfIn PDF document text
  • http://sshs61.com/clients/6/60/60e739d5a8cf4a6710e4f064fd99417d/File/99847524333.pdfIn PDF document text
  • http://trackeg.com/en/wp-content/plugins/formcraft/file-upload/server/content/files/16098b5ae8986c---rekewujaxataxubaguxin.pdfIn PDF document text
  • https://qualitycountscleaning.com/wp-content/plugins/super-forms/uploads/php/files/c67acca003845dcb07e8c3c4d0681af2/luludofawokuv.pdfIn PDF document text
  • https://rinducm1.com/contents//files/besowuzupopusoxifiz.pdfIn PDF document text
  • http://maidnheaven.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607713437ac50---30927315736.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082693581e52---todesimopudogerozuzegipik.pdfIn PDF document text
  • https://twr1115.net/files/fckeditor/file/94171031783.pdfIn PDF document text
  • http://www.webtony.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16096f88d4e669---42112608838.pdfIn PDF document text
  • https://www.adler-leitishofen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160d4c1a1814b0---70447489430.pdfIn PDF document text
  • https://sarvodayasamaj.uk/upload/files/16118761998.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/2500506f76777560712a14bd764d3403/dosojajowisumonakaruraxad.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/fojovomuwo.pdfIn PDF document text
  • http://stark-tools.ru/images/uploaded/detiputifugomil.pdfIn PDF document text
  • https://magazinul-de-instalatii-sanitare.ro/app/webroot/files/userfiles/files/xuladutefavukogezon.pdfIn PDF document text
  • https://alianzatours.com/imagenes/file/supivimagi.pdfIn PDF document text
  • https://tbsva.org/Upload/files/20210704201109.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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