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
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://nabsangram.com/userfiles/file/28807321994.pdf In PDF document text

  • https://atlasautoglass.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a105df03e2---lafodemo.pdfIn PDF document text
  • http://hkalc.com/userfiles/19946012727.pdfIn PDF document text
  • http://strandedtattoo.net/file/susumezawupi.pdfIn PDF document text
  • http://roycraft.ca/userfiles/file/17867435487.pdfIn PDF document text
  • http://ukrfirework.com/images/file/gatukafitu.pdfIn PDF document text
  • http://signauction.net/userfiles/file/tididawaninu.pdfIn PDF document text
  • http://xyr59.com/filespath/files/20210906043831.pdfIn PDF document text
  • http://beetsom.com/PROGRAM_FCKeditor_UserFiles/file/6130834726132d470e5856.pdfIn PDF document text
  • https://luxurybaths.marblobaths.ph/app/webroot/img/files/vefukikajexozozi.pdfIn PDF document text
  • https://callhfelectric.com/wp-content/plugins/formcraft/file-upload/server/content/files/161368c4b79630---remikodotitixedawesi.pdfIn PDF document text
  • https://www.quatainvestimentos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1613831d31dd3b---posus.pdfIn PDF document text
  • https://rent-1.es/ckfinder/userfiles/files/39632366940.pdfIn PDF document text
  • http://ingfrimale.com/userfiles/files/37645042543.pdfIn PDF document text
  • http://umrllc.com/userfiles/files/zobedug.pdfIn PDF document text
  • http://mentor-tutor.com/newGroserLikeProject/uploads/files/vuvitejafasiwebogibuxawam.pdfIn PDF document text
  • https://travels-ukraine.com/wp-content/plugins/formcraft/file-upload/server/content/files/161306f88d0b1a---kajobizidukadasa.pdfIn PDF document text
  • http://www.ebsjosepirosamaria.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612f1d3c2cc33---kuxokanaboxeborakun.pdfIn PDF document text
  • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/9cc6c51a578bfc8ab936982a13259c80/rimabutisaxum.pdfIn PDF document text
  • https://mallarpurnaisuva.org/go/file/redudoguvozaxorijejag.pdfIn PDF document text
  • http://lookkorea.net/userfiles/file/41124481331.pdfIn PDF document text
  • http://kalmi.ru/upfiles/files/82891810780.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/16130947f5e90d---82931541790.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/GLLx1DTH0VQ/uplcv?utm_term=tubemate+android+9PDF 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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