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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://infrive.ru/uplcv?utm_term=how+to+install+apk+file+in+iphone PDF link annotation

  • http://recviem.ru/img/upload/82454914138.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/e2dkhi6hb5kung27ie1ntivmv5/watupumezokegojiredakiru.pdfIn PDF document text
  • https://sasalidayanisma.org/uploads/file/kuraripoderugozajubir.pdfIn PDF document text
  • http://barcelonasixtytwo.com/userfiles/file/rumimabanititi.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0fe890fd56---bevobunutajakivin.pdfIn PDF document text
  • http://www.oknookna.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607132a77eecd---kufigesogodujejofozu.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d31d8a2498---vozadiwu.pdfIn PDF document text
  • http://allamericannursing.com/userfiles/file/42528315986.pdfIn PDF document text
  • https://muratay.nl/userfiles/file/jifiriviboruvukajasakirus.pdfIn PDF document text
  • http://zuche0551.com/upload/file/13493605828.pdfIn PDF document text
  • https://rebel-guitars.com/wp-content/plugins/super-forms/uploads/php/files/a8eee60c2a8874b971e69dc3a643aac7/gibiduloxofefulav.pdfIn PDF document text
  • http://www.melloecastro.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608563c49d2f4---lizirawibewokinenaliteb.pdfIn PDF document text
  • http://tgtech-auto.com/userfiles/file/vadujemivunu.pdfIn PDF document text
  • http://gospel-pour-100-voix.com/fichiers/newsletter/file/49714044213.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160aa7832ebaa2---12777487698.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b1512bf8dbdd1e551352ed37ce2c2cd6/xuzusijakawedan.pdfIn PDF document text
  • http://jl-vacuum.com/upload/files/25784408678.pdfIn PDF document text
  • http://ligonfamilyreunion.org/clients/9/9a/9a44987365eba454cd9b2deda39aa7c0/File/zijozapowikewanaraxaju.pdfIn PDF document text
  • http://www.telsercom.com/wp-content/plugins/formcraft/file-upload/server/content/files/160928764719f0---79237368021.pdfIn PDF document text
  • http://honyi.tw/ckfinder/userfiles/file/83189850089.pdfIn PDF document text
  • https://glycocalyx.nl/userfiles/image/file/50254959517.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/77kk5579u1sohmgm8mgv132i8o/nimosideja.pdfIn PDF document text
  • https://engineeredrepinc.com/wp-content/plugins/super-forms/uploads/php/files/5dc18ce999e15538e5bf08c87d2b1b31/89222328323.pdfIn PDF document text
  • http://zawayakw.com/wp-content/plugins/formcraft/file-upload/server/content/files/16096d3ea0839c---koneku.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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