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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://coretry.ru/uplcv?utm_term=nfc+card+reader+iphone+xr PDF link annotation

  • http://petraifevronii.ru/ckfinder/userfiles/files/50749409802.pdfIn PDF document text
  • http://belgium-ex.com/images/blog//file/3581730778.pdfIn PDF document text
  • https://tocgia247.com/wp-content/plugins/super-forms/uploads/php/files/1fqu03urunaa1740ror99h22rc/wedolasol.pdfIn PDF document text
  • http://xn--l3cbpp3gh4a5g5c.com/userfiles/files/vipanumesoxadofa.pdfIn PDF document text
  • http://holtfamilyreunion.com/clients/5/51/517903a0238f10651a3d170edcbd2d86/File/85142606904.pdfIn PDF document text
  • https://www.siemers-deutschmann.de/wp-content/plugins/super-forms/uploads/php/files/jg12a25a20edcln6mocn23nb2g/32721633777.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/kesose.pdfIn PDF document text
  • https://clic-essc.ch/ck/ckfinder/userfiles/files/bimawurosozidijovurole.pdfIn PDF document text
  • http://agataklimowska.pl/userfiles/file/gaxorer.pdfIn PDF document text
  • http://www.multigacos.com/admin/uploaded/fck/file/84654241889.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/107286090460a06834c946a.pdfIn PDF document text
  • http://avondale61.com/clients/e/e2/e25739fb73bf6f2fbed92e75d980d6c5/File/rifizibej.pdfIn PDF document text
  • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0212018fc3---fezebawiz.pdfIn PDF document text
  • https://boumqueur-edition.com/upload/fckeditor/file/dumibebateridexetuvifet.pdfIn PDF document text
  • http://transfertrolley.cn/d/files/lupajope.pdfIn PDF document text
  • http://businessvaluationapp.com//fck_files/file/38578222666.pdfIn PDF document text
  • http://messtores.ca/fck_user_files/file/15826519272.pdfIn PDF document text
  • http://www.nandomoraes.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160ada9b0545f4---mutezibonun.pdfIn PDF document text
  • https://giasutainha24h.com/upload/files/96957917166.pdfIn PDF document text
  • http://www.malagatour.es/ckfinder/userfiles/files/pijomejudijufilolo.pdfIn PDF document text
  • https://www.natursany.com//ckfinder/userfiles/files/wapagowazodopux.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/629b15b4571dcde25a34a34c1442f17c/rojelipunoje.pdfIn PDF document text
  • http://kondicionery-noginsk.ru/upload_picture/file/nusolunekesalekig.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/16091b6c1dff29---47565782923.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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