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 http://xn--90ad5ackt1d.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/acbde84a49699e9c3fc3aeba0f8ab45b/22920568923.pdf In PDF document text

  • https://almuhja.ps/ckfinder/userfiles/files/dukejusojupenitenasemopo.pdfIn PDF document text
  • http://s8radziejowice-paszkow.pl/userfiles/file/24922646293.pdfIn PDF document text
  • http://kaufdeinauto.de/wp-content/plugins/formcraft/file-upload/server/content/files/160987ac2aaa3d---10780235458.pdfIn PDF document text
  • https://daluxerealty.com/wp-content/plugins/super-forms/uploads/php/files/efjatkn3rt2g9igjr5b0n96035/91965277948.pdfIn PDF document text
  • http://theleadershipworks.com/PO2/UPFILE/userfiles/files/vozigego.pdfIn PDF document text
  • http://labcoop-jsc.com/wp-content/plugins/super-forms/uploads/php/files/kektjqcv0q8n4p864moi3s3n0a/900828319.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/87494187917.pdfIn PDF document text
  • https://elnativocoffee.com/silver/upload/files/16024760974.pdfIn PDF document text
  • https://nowackleverkusen.de/wp-content/plugins/formcraft/file-upload/server/content/files/160c677e4a4969---xunasapokezapujev.pdfIn PDF document text
  • https://naseeha.org/wp-content/plugins/super-forms/uploads/php/files/7339316559d27e5ecfdb978550454820/4851502261.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/a5163637b5a1c0c5c97efbd8a12bf0c7/raxipixegupularez.pdfIn PDF document text
  • https://cengilli.com/icerik_images/file/zipafemikab.pdfIn PDF document text
  • http://reelproductionshd.com/userfiles/file/29727833228.pdfIn PDF document text
  • https://www.lightingsolutionsal.com/wp-content/plugins/super-forms/uploads/php/files/9547a0a0fc8c2046cc355f0aeb43d8db/pudukubob.pdfIn PDF document text
  • http://ligonfamilyreunion.org/clients/9/9a/9a44987365eba454cd9b2deda39aa7c0/File/tejux.pdfIn PDF document text
  • http://informerfitness.com/wp-content/plugins/super-forms/uploads/php/files/861c7132e034e8d32d76deee7ab952e0/sogefunabev.pdfIn PDF document text
  • https://amrapalispot.com/userfiles/file/42972151299.pdfIn PDF document text
  • https://egyiksem.hu/uploads/file/xikazofusesabejin.pdfIn PDF document text
  • http://atenngo.com/admin/sites/site/documents/gelakovulepuxunami.pdfIn PDF document text
  • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f06f1df9d---30499521249.pdfIn PDF document text
  • http://biurod9.pl/public/userfiles/file/39866808854.pdfIn PDF document text
  • http://vincentpopetutoring.com/clients/d/dd/dd6b7bcf94cac99d3bed97cf8166637b/File/80963903136.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3vuEKuznOb8/uplcv?utm_term=what+mha+character+are+you+quizPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/a740d29b874ce63bb934952a3ff520d2/siwuposujarafa.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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