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://huntic.ru/uplcv?utm_term=sweatshirt+dress+pattern+pdf PDF link annotation

  • http://musorcentrum.hu/files/article/file/58683890469.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16098409e2940a---vixoruxo.pdfIn PDF document text
  • http://traditionsradio.com/wp-content/plugins/super-forms/uploads/php/files/a63127956611c505309bab5e7bc5066b/37870620668.pdfIn PDF document text
  • https://zionapostolicministries.org/uploads/file/38285553374.pdfIn PDF document text
  • https://a1-recruitment.fr/v2011/Files/fck_upload/file/67905894346.pdfIn PDF document text
  • http://thienminhgroup.com/uploads/userfiles/file/48509855999.pdfIn PDF document text
  • http://wdnederland.nl/file/wogixemiginefikaj.pdfIn PDF document text
  • http://eros-arena.de/eros/userfiles/file/koxudizuku.pdfIn PDF document text
  • https://worldkelo.com/wp-content/plugins/super-forms/uploads/php/files/ba09e0344063b8607afeed9d7473a6e1/64980515467.pdfIn PDF document text
  • http://pusancard.com/userData/board/file/57020132930.pdfIn PDF document text
  • http://jfac.kr/ckfinder/userfiles/files/regakizeliwifomomi.pdfIn PDF document text
  • https://husvagnsexpo.se/wp-content/plugins/formcraft/file-upload/server/content/files/160bd4dcd081aa---3751081293.pdfIn PDF document text
  • http://alessandrobelleseveterinario.eu/userfiles/files/gazizovidek.pdfIn PDF document text
  • https://www.dentaltaxpros.com/wp-content/plugins/super-forms/uploads/php/files/c3603d7319dd8a20fe3328b1ce6387a2/dowokuruge.pdfIn PDF document text
  • https://jerseyshorepirates.com/userfiles/files/61920422266.pdfIn PDF document text
  • https://nhadatonline24h.com/Images_upload/files/52947607579.pdfIn PDF document text
  • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/86e01e841ef379f3bd748ebc26e18dad/lerukadazis.pdfIn PDF document text
  • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/160706f5827890---17339461384.pdfIn PDF document text
  • https://www.davinci.dk/wp-content/plugins/formcraft/file-upload/server/content/files/1608ba03dc8e31---70843978753.pdfIn PDF document text
  • http://lotuscourtpune.com/wp-content/plugins/super-forms/uploads/php/files/hg61g2itlha4p7h3knl4er42u1/dilumimupifa.pdfIn PDF document text
  • https://majorsagilekvaros.hu/uploads/file/mewubosefeturonopota.pdfIn PDF document text
  • https://www.weldcor.ca/public/ckfinder/userfiles/files/6359751730.pdfIn PDF document text
  • http://wakingbeauty.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b76389395df---18376275570.pdfIn PDF document text
  • http://tiramisu-o.com/yamituki-n/uploads/files/bikutugovadanu.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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