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 http://boxethai38.com/upload/file/51279542949.pdf In PDF document text

  • https://pikewallis.no/wp-content/plugins/formcraft/file-upload/server/content/files/1608743e8799a7---50059333433.pdfIn PDF document text
  • http://aliceinformaticasrl.com/user/pages/14516207157.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/031522097339.pdfIn PDF document text
  • https://starbox.fr/img/files/fetosekebavasefazabupo.pdfIn PDF document text
  • http://quatangsongvan.com/hinhanh_fckeditor/file/81604183120.pdfIn PDF document text
  • http://alfadent-volg.ru/images_uploads/files/85640775032.pdfIn PDF document text
  • https://www.mnspineandsport.com/wp-content/plugins/super-forms/uploads/php/files/493c6dcb930e3286aa420f644eb52774/givebuvidoz.pdfIn PDF document text
  • http://xn----7sbjvweekof5d.xn--p1ai/files/files/tetoxawomefevitut.pdfIn PDF document text
  • https://homeuu.biz/upload/ckeditor/pages//files/lawuzinebakudo.pdfIn PDF document text
  • http://blackivy.pl/userfiles/file/26580242199.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/pcm2maas0fp5n44hgkvf1jb394/59684042751.pdfIn PDF document text
  • https://weinquartier.at/wp-content/plugins/super-forms/uploads/php/files/00ee0cd1d19d389a37aad43b634ca392/dejubul.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c0d48caf60f---xenajeluromojelapu.pdfIn PDF document text
  • https://ecomassage.pt/wp-content/plugins/super-forms/uploads/php/files/tkfc84pd6lm288mosn0jjlfbgb/41650770856.pdfIn PDF document text
  • http://print-printonline.com/ckfinder/userfiles/files/4063371748.pdfIn PDF document text
  • https://lapalettedesarts.fr/gestion/file/naxala.pdfIn PDF document text
  • https://swalaya.in/userfiles/file/92155011261.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b53dad411d0---tiduzanitokuxepa.pdfIn PDF document text
  • http://drsuthichai.com/userfiles/files/kutibunow.pdfIn PDF document text
  • http://robalton.es/Albums/images/file///14455947478.pdfIn PDF document text
  • http://ddservice-bmw.pl/userfiles/file/duwuvomobalidojoba.pdfIn PDF document text
  • https://aiaciran.org/cache/fck_files/file/37175285924.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/1607000ae72d6f---90981188547.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=curriculum+vitae+sample+for+thesisPDF link annotation
  • 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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