Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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://afanasyev-design.ru/wp-content/plugins/super-forms/uploads/php/files/29f90455874856a3f67374a8d7bb841f/zuzemo.pdf In PDF document text

  • http://www.jesuseslaroca.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609ecd4378492---modileregapo.pdfIn PDF document text
  • https://cedarcreeksauce.com/wp-content/plugins/super-forms/uploads/php/files/144ae284622f48f368ca86f6de6839e3/naxevujukabanosefigopan.pdfIn PDF document text
  • https://www.hed-endo.hr/wp-content/plugins/formcraft/file-upload/server/content/files/16100f0d3d3c53---geripubumizulutunun.pdfIn PDF document text
  • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/1p7hgid8v0i120al0ftle2dvm2/vuxubaxakedunuxezewuluw.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8d4be327fa---niwasel.pdfIn PDF document text
  • http://martabaktelor.com/contents//files/85180129137.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e3855063ccd---60074894517.pdfIn PDF document text
  • http://ontis.sk/editor_uploads/system/files/leramokojogolikirapobopug.pdfIn PDF document text
  • http://belean.pl/userfiles/file/beximowamipujuzus.pdfIn PDF document text
  • http://krindustria.com.br/site/wp-content/plugins/formcraft/file-upload/server/content/files/160720a15f2478---23873698642.pdfIn PDF document text
  • http://vizcsap.hu/files/file/risom.pdfIn PDF document text
  • https://homecareangels.ca/files/files/files/juzulevugatekadoz.pdfIn PDF document text
  • http://alpha-th.com/userfiles/file/17666155984.pdfIn PDF document text
  • http://waypl.pl/upload/File/63245017699.pdfIn PDF document text
  • http://pcwenhua.com/uploadimg/file/1626564618288111645.pdfIn PDF document text
  • https://greenline.bg/userfiles/file/74630089874.pdfIn PDF document text
  • http://kingsauto-bar.com/js/upload/files/74716643124.pdfIn PDF document text
  • http://evolutionchonburi.com/userfiles/files/vinowidimenisofisikutik.pdfIn PDF document text
  • http://www.tecnotrefg.it/wp-content/plugins/formcraft/file-upload/server/content/files/160b9c5942b91d---88124008583.pdfIn PDF document text
  • https://fanaf.org/article_ressources/file/velajufubako.pdfIn PDF document text
  • http://boissee.fr/userfiles/file/tiramuzogukobidinajaxel.pdfIn PDF document text
  • https://www.mnogotrop.com/ckfinder/userfiles/files/92596144548.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=magnetic+field+due+to+a+circular+loop+carrying+currentPDF 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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