Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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
• 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 http://ngocminhcnc.com/demo_thietbimay_24_7/upload/files/nosep.pdf In PDF document text

  • https://sahodayabbsr.com/test/fckeditor/file/puroj.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/gibemakavagosu.pdfIn PDF document text
  • https://ytdrive.com/CKEdit/upload/files/16044200372.pdfIn PDF document text
  • http://bienbao.org/uploads/files/29983786344.pdfIn PDF document text
  • https://viettrungson.com/media/Files/rekixim.pdfIn PDF document text
  • http://slavutich-media.ru/userfiles/file/taroxoroxomizelijed.pdfIn PDF document text
  • http://hometextiles-consultant.com/ckfinder/userfiles/files/68329212773.pdfIn PDF document text
  • https://bselink.com/userfiles/file/bekebimozatarepimasij.pdfIn PDF document text
  • https://ecableapp.com/FCKeditor/FCKimgUpload/file/78785029710.pdfIn PDF document text
  • http://japhina.com/upload/file/48489097527.pdfIn PDF document text
  • http://videofilm-tv.ru/content/File/91329640472.pdfIn PDF document text
  • https://certifiedmoversinc.com/wp-content/plugins/super-forms/uploads/php/files/44d5cacf8b8f05e0d4dee4079711047a/roxowoxowulatidodak.pdfIn PDF document text
  • http://qdjshg.com/files/file/28641400345.pdfIn PDF document text
  • http://facyt.com.ar/ckfinder/userfiles/files/11288455852.pdfIn PDF document text
  • http://gewald.ru/content/Files/15058001983.pdfIn PDF document text
  • https://www.puskinas.lt/ckfinder/userfiles/files/8290808537.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16141e626f0934---24566434052.pdfIn PDF document text
  • http://szentimresiklos.hu/upload/file/jeramodidibugeloronum.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16145d1827c063---59223950974.pdfIn PDF document text
  • https://siangyun.com/upfiles/editor/files/98259845102.pdfIn PDF document text
  • https://hondaotohaiphong.vn/upload/files/89111909560.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=top+5+file+transfer+app+for+androidPDF link annotation
  • http://s292376414.onlinehome.fr/datas/imgmail/file/9972410965.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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