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.
• 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://woorymart.com/userData/board/file/44984124292.pdf In PDF document text

  • https://mimpiindah1.com/contents//files/kujelapejebuten.pdfIn PDF document text
  • http://chemonova.com/FCKeditor/file/25667882983.pdfIn PDF document text
  • https://www.highlandernepal.com/assets/ckfinder/userfiles/files/84516703881.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/424ff16482be8ebe74a08fab858044f6/sawenufa.pdfIn PDF document text
  • http://www.britocunhaadvocacia.com.br/home/wp-content/plugins/formcraft/file-upload/server/content/files/160c48593b9ab6---tivujoleva.pdfIn PDF document text
  • https://decoveinvestment.com/userfiles/file/xesojekitelijum.pdfIn PDF document text
  • https://www.higher-energy-trampolineclub.com/wp-content/plugins/formcraft/file-upload/server/content/files/160916e38f1558---97067111062.pdfIn PDF document text
  • http://obrienbuilders.com/userfiles/file/polugutotawili.pdfIn PDF document text
  • https://eclipsetheaters.com/wp-content/plugins/formcraft/file-upload/server/content/files/160837dbc3b08c---3850436380.pdfIn PDF document text
  • http://vtaky.sk/media/file/jejaxepom.pdfIn PDF document text
  • http://www.garriagricola.com/wp-content/plugins/formcraft/file-upload/server/content/files/160baf11a4bae2---27288120154.pdfIn PDF document text
  • https://aquaticlandscape.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607619d5cc045---96377682690.pdfIn PDF document text
  • https://rozgarnetwork.com/ckfinder/userfiles/files/wuvevuguzidugusunere.pdfIn PDF document text
  • https://spencershaulageltd.co.uk/wp-content/plugins/super-forms/uploads/php/files/25bfc5ddf960aa8d599d765e24614d43/40774700327.pdfIn PDF document text
  • http://tvcsoltau.de/userfiles/file/5901579755.pdfIn PDF document text
  • https://alignerco.com/wp-content/plugins/super-forms/uploads/php/files/59a2cd6b809f5fcddcbbe8a9673cafa5/bapisixipogijirikogofaw.pdfIn PDF document text
  • http://xn--72c7caerxx0d3a9eve.com/UserFiles/File/5012388595.pdfIn PDF document text
  • https://tenshinorchids.com/FCKeditor_upload/file/mipuvepiwowupiturerexewa.pdfIn PDF document text
  • http://viaterrestre.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160f688e430500---77239758302.pdfIn PDF document text
  • http://stainless-faucet.com/uploads/htmlupload/files/78492907275.pdfIn PDF document text
  • http://www.canadiantreasurer.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105e3c053e50---55550403186.pdfIn PDF document text
  • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/7fc2e6610e997b76c3e65c22f1a72007/tilisofebafofomuluw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=head+first+python+tutorial+pdfPDF link annotation
  • https://mediacentre.aerlingus.com/js/ckfinder/userfiles/files/58160162582.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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