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://coretry.ru/uplcv?utm_term=oceanography+savindra+singh+pdf PDF link annotation

  • https://action-roofing.com/wp-content/plugins/super-forms/uploads/php/files/9bf36b3a994d5625eecaa38efd990cb0/47749730437.pdfIn PDF document text
  • http://www.hotel-margherita.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611c371e341fc---98548411618.pdfIn PDF document text
  • http://termocity.by/pics/files/jawupimotesidawak.pdfIn PDF document text
  • https://equator-maritime.com/userfiles/file/rezupofifetumabuteb.pdfIn PDF document text
  • https://www.pfgpartners.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1606f336f2b59e---diroku.pdfIn PDF document text
  • http://xn----8sbaqfskngn1qi.xn--p1ai/userfiles/file/19275652536.pdfIn PDF document text
  • http://autothudo.vn/upload/fck/file/63905365938.pdfIn PDF document text
  • https://boldvision.tv/wp-content/plugins/formcraft/file-upload/server/content/files/16077bce17d792---55690515036.pdfIn PDF document text
  • http://www.kmclogistics.com/wp-content/plugins/super-forms/uploads/php/files/ac10bee260ae1f1c21d6fca68366306a/65469923104.pdfIn PDF document text
  • http://dakhoanhanai.com/images/files/tidofamoj.pdfIn PDF document text
  • https://cedria.es/DOCUMENTS/FotosFCKEditor/file/wapifeg.pdfIn PDF document text
  • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/1607fa0db85672---82589909262.pdfIn PDF document text
  • http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f0964bb151---79910675433.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608838c7302f7---41069030298.pdfIn PDF document text
  • https://www.diktu.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608cc77d3051a---tonejazovo.pdfIn PDF document text
  • https://tramhuonghanoi.vn/upload/files/ranosadirilamutafized.pdfIn PDF document text
  • https://www.mysmilestudios.com/wp-content/plugins/super-forms/uploads/php/files/b8a3103ef4a48bf1aa79f26d91c5c654/76860874299.pdfIn PDF document text
  • http://it-hair.com/userfiles/74513104813.pdfIn PDF document text
  • http://studiotecnicomancini.eu/userfiles/files/sufefanorenavaredisosoku.pdfIn PDF document text
  • http://www.ks-klinika.ru/ckfinder/userfiles/files/webitinuzomawagedag.pdfIn PDF document text
  • http://www.rotudavid.com/ckfinder/userfiles/files/83755434528.pdfIn PDF document text
  • https://heks-tech.com/app/webroot/userfiles/files/rufegula.pdfIn PDF document text
  • http://xn--sanitrprofi-p8a.ch/fckeditor/editor/images/file/dudeleburuniv.pdfIn PDF document text
  • http://giaodantanthaison.com/Images_upload/files/xixezejuvatagaluf.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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