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://catamma.ru/uplcv?utm_term=android+programming+mcq+with+answers PDF link annotation

  • http://www.sunaryem.com.tr/wp-content/plugins/super-forms/uploads/php/files/chfbmpfl37t8g6fpgt7c5k9gi4/69372256118.pdfIn PDF document text
  • https://yar-net.ru/userfiles/file/nawugaz.pdfIn PDF document text
  • http://remontnoedelo.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1607109938f591---togapawaxalavenevenanip.pdfIn PDF document text
  • http://harasim.cz/uploaded/files/68928651359.pdfIn PDF document text
  • https://avis-medical.ma/wp-content/plugins/super-forms/uploads/php/files/04d59fb4863d0f0f13cb5c42785cb75a/5708090052.pdfIn PDF document text
  • https://adbetelparaguay.com/wp-content/plugins/super-forms/uploads/php/files/d29044f25f0f4c9f7d760554ba9c58ec/kozogexuxelurabexulajul.pdfIn PDF document text
  • http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/bepadigu.pdfIn PDF document text
  • http://recruiters-zone.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b09781968b---65534595032.pdfIn PDF document text
  • http://boissee.fr/userfiles/file/20444965243.pdfIn PDF document text
  • http://chanakyaaerospacedefence.com/userfiles/file/52899485917.pdfIn PDF document text
  • https://www.sidertest.it/wp-content/plugins/formcraft/file-upload/server/content/files/160965ec425c1b---54459037467.pdfIn PDF document text
  • http://onishi-kyosendo.jp/archive/juwilek.pdfIn PDF document text
  • http://www.molinoag.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090cb94648fd---vuzivumogoxixamolupoza.pdfIn PDF document text
  • https://greenturtleproductions.com.au/wp-content/plugins/super-forms/uploads/php/files/50cbbc648ec1975e7841c8ad70cc9184/garel.pdfIn PDF document text
  • http://stylist.in.ua/wp-content/plugins/formcraft/file-upload/server/content/files/1609642621de75---fogufiwutivepibin.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/zetijazuradoxu.pdfIn PDF document text
  • http://dentherapia.hu/files/file/3906823101.pdfIn PDF document text
  • http://qhs1978.com/clients/d/dd/dd8db5a278a7ad55a2ada34b8e38ebcc/File/77605117002.pdfIn PDF document text
  • https://www.opdrrustukalac.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bab09e7d171---9607178112.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/ej2ot022r3uamsdifb8nq0fu75/gazemukitotip.pdfIn PDF document text
  • http://garystrike.com/clients/3/30/301ae0ed988f9237e4cb8f8c41f6cb36/File/1627214825.pdfIn PDF document text
  • http://austria-ex.com/images/blog//file/wapetakebimi.pdfIn PDF document text
  • https://vinisfarm.com/wp-content/plugins/super-forms/uploads/php/files/18f8cc921d514c8312830a43539d11db/64436440714.pdfIn PDF document text
  • http://berkeleyhigh64.com/clients/9/99/99a482d4bd0dc5522cc24ea7f8204a07/File/laruzigisimadofag.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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