Malicious PDF — malware analysis report

Heuristics 8

• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://laborke.ru/uplcv?utm_term=how+to+train+your+dragon+gomovies PDF link annotation

  • http://skuplaptop.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160c6d8b5879fc---wififudefigerekosido.pdfIn PDF document text
  • http://wisdomtours.net/upload/file/83906041594.pdfIn PDF document text
  • http://tnslib.net/userfiles/files/65191718809.pdfIn PDF document text
  • http://nhasachnguyenvancu.com/Images_upload/files/mikesitosemelalopen.pdfIn PDF document text
  • https://www.gml.de/wp-content/plugins/formcraft/file-upload/server/content/files/16074565da4069---dowesunimafaxumid.pdfIn PDF document text
  • http://cissi.it/userfiles/files/31450942979.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607125d2124e3---89282529524.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1612ef98cc3dd6---19010359837.pdfIn PDF document text
  • http://limuzine.md/userfiles/file/34126463635.pdfIn PDF document text
  • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/1608607b3734f5---71516162104.pdfIn PDF document text
  • http://www.atrium-tuiles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609efb2f32fcb---xejakosazuwosidu.pdfIn PDF document text
  • http://dyglas.com/userData/board/file/4571560320.pdfIn PDF document text
  • http://albertopizzetti.it/userfiles/files/68100354652.pdfIn PDF document text
  • http://pincailight.com/zk/UploadFile/file/2021062602505373499.pdfIn PDF document text
  • https://www.sadcmedia.com/wp-content/plugins/super-forms/uploads/php/files/avs4aic9qpa6ui58m5ddre912f/20968082202.pdfIn PDF document text
  • https://gotoko.com/cmsv2/upload/files/digituribubez.pdfIn PDF document text
  • https://associazionedynamica.it/uploads/file/fagejubobuxi.pdfIn PDF document text
  • http://colegiosantarosa.com/uploads/imagem/file/pemozalonenowezoroke.pdfIn PDF document text
  • https://specialbrands.gr/wp-content/plugins/super-forms/uploads/php/files/f125d69482aa6abcd7959fd92029d258/wikevalemawuz.pdfIn PDF document text
  • http://shuimotongyuan.com/userfiles/file/68051808519.pdfIn PDF document text
  • http://kripasec.com/userfiles/file/91640556377.pdfIn PDF document text
  • https://edoxmarketing.com/wp-content/plugins/super-forms/uploads/php/files/tktuecla7f0kra1ff9b0i4fs5s/demaxikofevutos.pdfIn PDF document text
  • http://in-dapt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607247c21c5a6---90580760763.pdfIn PDF document text
  • http://planao.com/ckfinder/userfiles/files/61811936815.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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