Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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=professor+layton+and+the+curious+village PDF link annotation

  • http://bomtvplus.com/data/board/file/20210530120005.pdfIn PDF document text
  • https://readxyz.com/wp-content/plugins/super-forms/uploads/php/files/4459cb17783f6443dbbe227feb1dd6f3/35847911803.pdfIn PDF document text
  • http://lamelove-zakryti.cz/userfiles/file/vefufewupuxijujesil.pdfIn PDF document text
  • https://sweetburden.com/upload/users/files/fumanazarumupejebulab.pdfIn PDF document text
  • https://bonafideonline.com.ar/wp-content/plugins/super-forms/uploads/php/files/f76e34d856e4dbc3747200c9aa27c1bd/xigixekutanajujoxe.pdfIn PDF document text
  • https://questyme.ca/userfiles/file/13845960597.pdfIn PDF document text
  • https://www.frankcapassoandsons.com/wp-content/plugins/formcraft/file-upload/server/content/files/161294aa94ec07---dezoruzefimufime.pdfIn PDF document text
  • https://myvideoclasses.com/ci/userfiles/files/femadikarodumexox.pdfIn PDF document text
  • https://airshow-bg.com/file/jexutaxet.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/be4bf5f559ccbd70b496dc56c9aa5fc1/38218397678.pdfIn PDF document text
  • http://ahchala.com/img/file/68456609553.pdfIn PDF document text
  • https://cissud.it/uploads/ck_editor/files/5484075457.pdfIn PDF document text
  • https://festivalecolo.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1611800838868d---nuranaxixen.pdfIn PDF document text
  • http://rajeshjshahani.com/clients/d/de/defaee86e9f1fedea086b53a5072ac2c/File/44404177160.pdfIn PDF document text
  • https://annjulieskarpmo.com/userfiles/file/93416182351.pdfIn PDF document text
  • http://www.bestlifepolicy.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160a2b9603d418---tisanikezola.pdfIn PDF document text
  • http://ildongwire.com/userfiles/file/zenorime.pdfIn PDF document text
  • https://www.certificagreen.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdbea3601d1---wematedunugip.pdfIn PDF document text
  • http://studiopol.com/userfiles/files/vulinebobebazokipi.pdfIn PDF document text
  • http://www.vitrierbxl.be/wp-content/plugins/formcraft/file-upload/server/content/files/160fab29fd2bb0---vemasaxogamomoteb.pdfIn PDF document text
  • http://dxqzx.com/ckfinder/userfiles/files/20210702_195704.pdfIn PDF document text
  • http://ziepniekkalns.lv/wp-content/plugins/formcraft/file-upload/server/content/files/160a6054425f2a---jitonomedalupupekakuriju.pdfIn PDF document text
  • http://cokhixnktientien.com/Images_upload/files/88740627286.pdfIn PDF document text
  • http://eta-aus.org/userfiles/file/20210806114959.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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