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
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• 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 https://liur-krd.ru/userfiles/file/zididazori.pdf In PDF document text

  • http://studiosantomauro.it/userfiles/files/nibifenujixupowulaxoki.pdfIn PDF document text
  • https://mcq.bmtinhoc.vn/InteriorWeb/images/images_news/files/marovajunexikeg.pdfIn PDF document text
  • http://em-mould.com/ckfinder/userfiles/files/wudewotom.pdfIn PDF document text
  • https://bipinudaw.weebly.com/uploads/1/3/4/7/134718108/158e9dc7fa4.pdfIn PDF document text
  • http://obkladlazby.cz/userfiles/file/82953028342.pdfIn PDF document text
  • http://interaktivka.cz/userfiles/files/96248260684.pdfIn PDF document text
  • https://fariwiritunu.weebly.com/uploads/1/3/4/3/134352672/1125781.pdfIn PDF document text
  • http://wsm.hk/images/uploadfiles/file/95430927539.pdfIn PDF document text
  • https://nunoperiv.weebly.com/uploads/1/3/1/8/131856708/84912ea358cb1a.pdfIn PDF document text
  • http://thiennhanduong.com/ckeditor/kcfinder/upload/files/36777311551.pdfIn PDF document text
  • https://dopilefuma.weebly.com/uploads/1/3/4/7/134733068/wuvurax_zutalibagokek.pdfIn PDF document text
  • https://dijamolilum.weebly.com/uploads/1/3/5/3/135347404/992fdb7623.pdfIn PDF document text
  • http://tsetv.kz/app/webroot/js/kcfinder/upload/files/38084689213.pdfIn PDF document text
  • https://vogavova.weebly.com/uploads/1/3/1/6/131606390/3426177.pdfIn PDF document text
  • https://dalatomim.weebly.com/uploads/1/3/4/3/134344090/4dfc9a.pdfIn PDF document text
  • https://zugufavowi.weebly.com/uploads/1/3/0/8/130874222/tubem.pdfIn PDF document text
  • https://kizerovum.weebly.com/uploads/1/3/4/7/134747257/vozadawafa_poduxarepa_jafojidiwibugo_rumotojebadit.pdfIn PDF document text
  • https://nesexabaxurozij.weebly.com/uploads/1/3/4/8/134898102/pubovituwebofadotak.pdfIn PDF document text
  • http://genevacars.ru/public/file/gemukeku.pdfIn PDF document text
  • https://sazekunoteti.weebly.com/uploads/1/3/2/7/132740187/d4a6941d76.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/161f9bd863c728---robesenarur.pdfIn PDF document text
  • https://mifuj.co.za/YmrXLWy8?keyword=rock%20band%20drums%20ps3%20usedPDF 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 extracted file (font_00_sfnt_off00010094.bin)
  • http://dejavu.sourceforge.net/wiki/index.php/LicenseIn extracted file (font_00_sfnt_off00010094.bin)

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