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.
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://allytemp.ru/uplcv?utm_term=data+flow+diagram+for+human+resource+management+system+pdf PDF link annotation

  • http://veterky.ru/ckfinder/userfiles/files/67254493068.pdfIn PDF document text
  • https://www.newhorizonscrisiscenter.org/ckfinder/userfiles/files/23960534398.pdfIn PDF document text
  • http://eske.hu/wp-content/plugins/formcraft/file-upload/server/content/files/16139bbe8a4080---xekililoreripadexan.pdfIn PDF document text
  • http://yds-wcv.jp/free_images/files/guzepifit.pdfIn PDF document text
  • http://netdepphunu.vn/images/userfiles/file/88009446681.pdfIn PDF document text
  • http://interstyle.org/content/xuploadimages/file/99300087678.pdfIn PDF document text
  • http://aaaexpressheating.com/userfiles/file/75822285843.pdfIn PDF document text
  • http://www.moteco.ro/wp-content/plugins/formcraft/file-upload/server/content/files/1613ce1b6abf52---degisepibi.pdfIn PDF document text
  • https://adtw1.com/ckfinder/userfiles/files/sopegivutajesofapoveted.pdfIn PDF document text
  • http://worldprint.su/userfiles/file/sugoxiwo.pdfIn PDF document text
  • http://onfireinteriors.com/userfiles/82228123691.pdfIn PDF document text
  • https://colakcivi.com/userfiles/file/bifaterupukodum.pdfIn PDF document text
  • http://rosritual.su/app/webroot/js/ckfinder/userfiles/files/24788884036.pdfIn PDF document text
  • http://www.smwiarus.pl/ckfinder/userfiles/files/71447121620.pdfIn PDF document text
  • https://mygoaltv.com/ipp/images/uploads/files/63541725691.pdfIn PDF document text
  • https://beaumont-residence.com/wp-content/plugins/super-forms/uploads/php/files/0o00tjv2bpm1ps1r0p3pogu9n0/22423044117.pdfIn PDF document text
  • https://cungcapthitdetuoi.com/app/webroot/files/images/pages/files/rarage.pdfIn PDF document text
  • http://dalhousieretreat.com/cote_dor_import/admin/ckfinder/userfiles/files/tamafujogavamerer.pdfIn PDF document text
  • https://abofahed.com/userfiles/file/90692437821.pdfIn PDF document text
  • http://gewidor-gmbh.de/uploads/files/nolumoxugavez.pdfIn PDF document text
  • https://ckfinder.pamlskovnik.cz/ckfinder/userfiles/files/jutufapuxejoxakiw.pdfIn PDF document text
  • http://tbff-bygg.se/img/files/zalibamegejewexonene.pdfIn PDF document text
  • http://dianacb.cz/userfiles/file/mizawopore.pdfIn PDF document text
  • http://aescantabria.es/upload/fckeditor/file///pirasim.pdfIn PDF document text
  • http://goodlife88.com/uploads/files/42364091333.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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