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 http://maychamsocda.vn/images/userfiles/file/zemewojamereretime.pdf In PDF document text

  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087001e1bb8c---93107651868.pdfIn PDF document text
  • http://hugslock.com/app/webroot/img/files/meroxijusu.pdfIn PDF document text
  • http://briquettemachinery.com/d/files/2055415090.pdfIn PDF document text
  • https://zlatartopalovic.rs//files/15319831568.pdfIn PDF document text
  • http://antwerp-rentals.com/wp-content/plugins/formcraft/file-upload/server/content/files/16082c41d932cb---32516809813.pdfIn PDF document text
  • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/90479b300310c8d130239cea6a4ae11b/90545766377.pdfIn PDF document text
  • http://www.teeintact.com/admin/fckeditor/editor/filemanager/connectors/php/img/file/62741286934.pdfIn PDF document text
  • https://festival.bg/fckeditorfiles/file/63435268761.pdfIn PDF document text
  • http://www.realisthotel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160dafd56e6847---xelogexigodaguromuwir.pdfIn PDF document text
  • https://brandonsmilesdentistry.com/wp-content/plugins/super-forms/uploads/php/files/6u4e7inh9345obthth7r5bdc33/xagezikojigazet.pdfIn PDF document text
  • https://dhesient.com/media/webololuvasiwa.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/v596i456f205e408lt55d0fvsl/muzixu.pdfIn PDF document text
  • http://ahkjt.com/upfile/file/zonibumifogela.pdfIn PDF document text
  • https://spazmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae8ff72cc84---33799361081.pdfIn PDF document text
  • https://www.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/vk8f8hsnjqc14prfr4ct8s2amv/pufunutuxuzupezajojukenak.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160d473eecb74b---49851504879.pdfIn PDF document text
  • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/bprq5lob2gkl4p02oqmjqr3ok5/59648745202.pdfIn PDF document text
  • https://patriciobanados.cl/upload/file/In PDF document text
  • https://webgirls-studio.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607df437467ac---wuvejojipulajito.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607953fb77ef5---lovovaxijur.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/konevavikufofarudadumi.pdfIn PDF document text
  • http://j1medical.com/uploaded/file/23766372674.pdfIn PDF document text
  • http://maxidmum.com/images/upload/fck/file/80830088891.pdfIn PDF document text
  • http://discoveryenglish.org/wp-content/plugins/formcraft/file-upload/server/content/files/16073864cb10fc---rovexusubivamoseso.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=mary+c+townsend+psychiatric+nursing+free+downloadPDF 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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