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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://chcial.ru/uplcv?utm_term=form+1040+for+stimulus+check PDF link annotation

  • http://goldenteriyaki.com/uploads/files/bewizebowuxo.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a92a5354eeb---18078780246.pdfIn PDF document text
  • https://cafe-malaysia.com/contents/file/bibumadofenoruz.pdfIn PDF document text
  • http://asupuro.com/user_data/image//file/99707083880.pdfIn PDF document text
  • http://fsgpj.com/upfolder/e/files/20210731104612.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c19aff22b55---wivuwopanogivo.pdfIn PDF document text
  • https://www.accidentinjurylascruces.com/wp-content/plugins/super-forms/uploads/php/files/mklkk8mhlu04jimadcjqg0qlug/90437653673.pdfIn PDF document text
  • http://sequirk.ie/userfiles/file/gulixegobimijeb.pdfIn PDF document text
  • http://c2mag.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b987a20fb8---mabakifore.pdfIn PDF document text
  • https://engravestone.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b2f229c3450---48149130000.pdfIn PDF document text
  • http://hmconcretemixingplant.ru/d/files/70386957154.pdfIn PDF document text
  • http://piemonteforyou.it/userfiles/file/bigisusowatomufumutona.pdfIn PDF document text
  • http://pensionpoint.cz/userfiles/files/93280285060.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a3ceae3d255---zosigexadedunegusuz.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/160e02f447184b---sisajil.pdfIn PDF document text
  • https://www.bouldersudbury.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d712e8e57a---86797146645.pdfIn PDF document text
  • https://mkting.com.co/wp-content/plugins/super-forms/uploads/php/files/43096b3ec3d42bd38e422dad1dd2b02d/fixipetikamerapovusa.pdfIn PDF document text
  • http://isdoor.ru/uploads/files/97913869237.pdfIn PDF document text
  • https://webhostmurah.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095621959f02---91723834981.pdfIn PDF document text
  • https://confidence-ist.com/ckfinder/userfiles/files/miraduzituwubozapafaz.pdfIn PDF document text
  • https://bbensonmft.com/wp-content/plugins/super-forms/uploads/php/files/71f4d24770d756f5fb66f080e9dd1016/26419855947.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/f6c2fdf0fc1b566e60556c3c5f2c7336/sodawuxubimatubowejezux.pdfIn PDF document text
  • https://turismopontevedra.com/ckfinder/userfiles/files/lavetesedikudipaxet.pdfIn PDF document text
  • http://yuanyoujie.vip/userfiles/file/netijujawofele.pdfIn PDF document text
  • http://www.moyekolodin.com/files/merilajogigajegebipix.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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