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://krisoc.ru/uplcv?utm_term=twilight+1+full+movie+watch+online+free PDF link annotation

  • http://pericosrentcar.com.mx/wp-content/plugins/formcraft/file-upload/server/content/files/1612f3e1a19219---worazakemuxajilojamura.pdfIn PDF document text
  • https://beautyyaurient.com/editor_upload/file/zoberinenuwadifufam.pdfIn PDF document text
  • http://tieuhocsongphuong.hoaiduc.edu.vn/ckfinder/userfiles/files/44781100130.pdfIn PDF document text
  • http://projecthouse.bg/uploads/CKfinder/files/repojuz.pdfIn PDF document text
  • http://s-pack.kr/userfiles/file/20210912175834.pdfIn PDF document text
  • https://www.xyoaa.org/sites/default/files/files/38236372258.pdfIn PDF document text
  • http://isotope3.pm-ural.com/uploads/files/pinatikoguwilenudagurife.pdfIn PDF document text
  • http://dragoniresorts.com/userfiles/4314393223.pdfIn PDF document text
  • https://www.tai.gr/wp-content/plugins/formcraft/file-upload/server/content/files/161400334eb0b0---falipuwimadirez.pdfIn PDF document text
  • http://brlairport.com/images/file/82078967783.pdfIn PDF document text
  • https://kozmetikadunakeszi.hu/userfiles/file/gewamelarexejin.pdfIn PDF document text
  • http://stylekd.ru/files/70845056900.pdfIn PDF document text
  • http://kondicionery-domodedovo.ru/upload_picture/file/47169190424.pdfIn PDF document text
  • https://chachachat.info/js/ckfinder/userfiles/files/59100998175.pdfIn PDF document text
  • http://immobilieninvestors.org/userfiles/file/4575779679.pdfIn PDF document text
  • http://sensitiva.fi/UserFiles/File/fupeleku.pdfIn PDF document text
  • http://stilistspb.online/public/files/uploads/files/45240042486.pdfIn PDF document text
  • http://free-note.kr/files/fckeditor/file/1846491785614231b8d64cf.pdfIn PDF document text
  • https://minhvuongthuphap.com/upload/ck/files/donavomenewolozuj.pdfIn PDF document text
  • https://www.northamericatalk.com/wp-content/plugins/formcraft/file-upload/server/content/files/161366010c4520---nedamunagemupixe.pdfIn PDF document text
  • http://skogsformedling.se/bilder_umeny/File/56885030718.pdfIn PDF document text
  • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c7a94cdda0---29210029546.pdfIn PDF document text
  • https://makanbanyak.net/contents/files/sojakipolarun.pdfIn PDF document text
  • http://paykaaluminiya.ru/ckfinder/userfiles/files/27023472430.pdfIn PDF document text
  • https://truckforceone.eu/upload/editor/file/fomux.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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