Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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://crewmak.ru/uplcv?utm_term=offshore+pipeline+design+pdf PDF link annotation

  • https://www.prowallpanama.com/wp-content/plugins/super-forms/uploads/php/files/e43be15dc25a4fc498b8d271120cf4c7/88611679972.pdfIn PDF document text
  • http://www.bridalchapel.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609be5ddad2c7---dazonetujep.pdfIn PDF document text
  • https://hmv.ir/wp-content/plugins/formcraft/file-upload/server/content/files/16087a8464c8b6---25059510918.pdfIn PDF document text
  • https://ceadersvalet.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c78e68b0780---24102751216.pdfIn PDF document text
  • https://sk-developers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b22f057784e---96786078587.pdfIn PDF document text
  • http://www.victoriousintl.com/new/resource/files/jinewasagidonopajexuvoduz.pdfIn PDF document text
  • http://soskuwait.com/outscapes/admin/ckeditor/uploads/ck/files/togunova.pdfIn PDF document text
  • https://www.simcoerecovery.net/wp-content/plugins/super-forms/uploads/php/files/43aid18ulo18lsablsk6asuoq4/23164197793.pdfIn PDF document text
  • http://www.skup.it/wp-content/plugins/formcraft/file-upload/server/content/files/16078e903236e1---xeduder.pdfIn PDF document text
  • http://autoshiftbid.com/fckeditor/userfiles/file/pejufalolupixil.pdfIn PDF document text
  • https://brahmagnanam.org/fck_uploads/file/wirukewogagixironeruloj.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b8cc9142f70---bapijepisawudi.pdfIn PDF document text
  • http://finsura-lifedirect.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160ab5f5fcac98---58710751091.pdfIn PDF document text
  • http://cen7dias.es/userfiles/files/zowematifivazosipax.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-19/20210519204534218808.pdfIn PDF document text
  • http://riph.pl/userfiles/file/sexibogokusiwibowejedepag.pdfIn PDF document text
  • http://cgt-fo-csc.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1608cfcb4c2199---pubikaselodabebimisidab.pdfIn PDF document text
  • http://bensonlandscape.com/editorData/file/47537170319.pdfIn PDF document text
  • http://wsbtitan.com/images/file/tigirimiduvolaji.pdfIn PDF document text
  • http://noithatsah.com/webroot/img/files/semiluxovupivalitotu.pdfIn PDF document text
  • http://metabolit.ru/files/file/rixifidajifezuvoton.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/160c689a2a45cb---1553557522.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f134f561a06---tobofipan.pdfIn PDF document text
  • https://wietsevoermans.nl/ckfinder/userfiles/files/74015852328.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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