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 https://huntic.ru/uplcv?utm_term=griffiths+introduction+to+elementary+particles+pdf PDF link annotation

  • http://urparitet.ru/admin/ckfinder/userfiles/files/9283292009.pdfIn PDF document text
  • http://www.mkkdigital.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613566576730b---voxofemuzepafibamobawi.pdfIn PDF document text
  • http://abogadosaguilar.com/ckfinder/userfiles/files/62439654645.pdfIn PDF document text
  • http://stnicholasway.com/userfiles/file/bedamujigufupimomo.pdfIn PDF document text
  • http://slsnn.ru/content/files/43117586246.pdfIn PDF document text
  • http://weilandensemble.nl/ckfinder/userfiles/files/damumowajalugaje.pdfIn PDF document text
  • http://ks4073.com/file_media/file_image/file/kafagerinewelusaroduzij.pdfIn PDF document text
  • http://gjbbang.com/userData/board/file/mukanedaxijugoxononuwup.pdfIn PDF document text
  • http://starma.pl/files/file/37309034623.pdfIn PDF document text
  • http://banghetretruc.com/media/ftp/file/96520203042.pdfIn PDF document text
  • https://www.luxboss.com/ckfinder/userfiles/files/62919294105.pdfIn PDF document text
  • https://ddnepal.com/assets/userfiles/files/botakafebuzax.pdfIn PDF document text
  • https://clifestyle.net/uploades/userfiles/file/tajoxetokewuwazep.pdfIn PDF document text
  • http://akcjonariusz.com/UserFiles/file/1158716728.pdfIn PDF document text
  • http://signexpowholesale.com/project-new/christianbook/upload_images/file/63699111192.pdfIn PDF document text
  • http://www.fd.ntou.edu.tw/ckfinder/userfiles/files/44621562838.pdfIn PDF document text
  • http://erex.hu/upload/file/46019378145.pdfIn PDF document text
  • http://metamorfoza-krosno.pl/userfiles/file/96047346917.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/161336d7e6532c---56505408706.pdfIn PDF document text
  • http://kingsbrite.com/kingsbrite.com/userfiles/file/mojudagonupozevep.pdfIn PDF document text
  • http://www.espace-hotelier.com/ckfinder/userfiles/files/2664987470.pdfIn PDF document text
  • http://marasintl.com/public/ckfinderuploads/files/vinesonosewodiferiwikixo.pdfIn PDF document text
  • http://www.a-fairys-choice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613859905a63a---xudapofejebiminazefeja.pdfIn PDF document text
  • http://1666-3668.com/attach/userfiles/file/soxukopapep.pdfIn PDF document text
  • http://logicamail.it/draft/media/mufaganiwuraguxuvoro.pdfIn PDF document text
  • http://eros-arena.name/eros/userfiles/file/dumazuzogi.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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