Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 2 text block(s), carries a click-outward action, and is only 68 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://hoongnau.com/upload/files/dufagodule.pdf In PDF document text

  • http://sobinco.cz/ckfinder/userfiles/files/49116170585.pdfIn PDF document text
  • https://tucsonhomewindowtint.com/wp-content/plugins/super-forms/uploads/php/files/a6bab9fc9a25bea45efa2e6e139df3f8/jodilikoku.pdfIn PDF document text
  • https://www.bevillelecomte.com/ckfinder/userfiles/files/61897899522.pdfIn PDF document text
  • http://conditum.nl/userfiles/file/26926777388.pdfIn PDF document text
  • https://magiccat.pro/ckfinder/userfiles/files/12034454164.pdfIn PDF document text
  • http://gdlianyu.com/uploadfiles/file/nizowegaxepakojalizifuxo.pdfIn PDF document text
  • https://termoformat.md/img/files/lepizatixapafa.pdfIn PDF document text
  • https://surupaceanu.ro/ckfinder/userfiles/files/gufupojuled.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/6820743961.pdfIn PDF document text
  • http://free-note.kr/files/fckeditor/file/12183334046137455f3ee5c.pdfIn PDF document text
  • http://directartdeal.com/uploaded_files/userfiles/files/padovevetidowovug.pdfIn PDF document text
  • http://budapesticukraszdak.hu/userfiles/files/xoxawukajefeloboga.pdfIn PDF document text
  • https://shellserva.nl/docs/Image/file/vodunosinegokujotevos.pdfIn PDF document text
  • https://dampinggame.com/calisma2/files/uploads/logakajek.pdfIn PDF document text
  • https://autopits-directo.migrupoq.com/ckfinder/userfiles/files/bigidisadejuxudekano.pdfIn PDF document text
  • http://dbcasagayathottam.org/assets/uploads/cms_images/files/69937570336.pdfIn PDF document text
  • http://studioghittigargnano.com/userfiles/files/miwetobemusedu.pdfIn PDF document text
  • http://asesoriagarpe.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613ae083671fd---70369021830.pdfIn PDF document text
  • http://graphicon.hu/wp-content/plugins/formcraft/file-upload/server/content/files/1612f93b591706---63057604039.pdfIn PDF document text
  • http://khocabien.com/uploads/files/83726803491.pdfIn PDF document text
  • https://femagnet.com/upload/edu/article/file/92498362401.pdfIn PDF document text
  • http://chanhbon.vn/media/ftp/file/16495211367.pdfIn PDF document text
  • https://iwanbim.iwan.co/userfiles/files/mekosevopodowiwuwuf.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/cv9VXjIrmdE/uplcv?utm_term=prototype+android+downloadPDF link annotation
  • 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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