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 https://envomask.com/wp-content/plugins/super-forms/uploads/php/files/deec0de10d357bb57de53fded2fd5728/xiwobataba.pdf In PDF document text

  • https://3dreamstudios.com/wp-content/plugins/super-forms/uploads/php/files/15e711ac8f8300552ca174aa15ea7adc/faxulujuvapitumali.pdfIn PDF document text
  • http://goldenstarhotel.vn/images/uploads/files/zawafemufifikujawojanob.pdfIn PDF document text
  • http://ivepe-elearning.gr/assets/UserFiles/mainHome/file/86031140035.pdfIn PDF document text
  • http://qiuyutv.com/userfiles/files/20210702053653.pdfIn PDF document text
  • http://fontanarosaserigrafia.it/userfiles/file/jutuladevade.pdfIn PDF document text
  • http://cathyourhair.nl/js/ckfinder/userfiles/files/nitelosafuwawebomosik.pdfIn PDF document text
  • http://cuacongtudongbinhduong.com/upload/files/52721497245.pdfIn PDF document text
  • http://diamantina-joaillerie.com/ckfinder/userfiles/files/96760444615.pdfIn PDF document text
  • https://homeaestheticsllc.com/wp-content/plugins/super-forms/uploads/php/files/6242445079b0e1d683dfd78ac0de94fd/zepuw.pdfIn PDF document text
  • https://www.mercato.co.za/wp-content/plugins/formcraft/file-upload/server/content/files/160c3625cb2a6c---73945126436.pdfIn PDF document text
  • http://myjacksonfamilyreunion.com/clients/e/e2/e2167ce47089e9b789d53270b7cccc99/File/85484052083.pdfIn PDF document text
  • http://hi-reid-solutions.com/wp-content/plugins/super-forms/uploads/php/files/6f89ce319d6723900b9dad8266f71382/33397761167.pdfIn PDF document text
  • https://alfa-clining.ru/wp-content/plugins/super-forms/uploads/php/files/8e1ef24eeb17bb362363d922ca513ec1/72994134303.pdfIn PDF document text
  • http://industra.sk/userfiles/file/menixaw.pdfIn PDF document text
  • http://mosvag.ru/img/lib/file/77545642902.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/6e65ae1c9747e76c39071283603fddfb/8629272383.pdfIn PDF document text
  • https://houstoncoinshow.org/FCKeditor/file/4062060982.pdfIn PDF document text
  • https://stvorki.ru/files/file/66997181666.pdfIn PDF document text
  • https://gaziemirkentkonseyi.com/upload/files/8882029511.pdfIn PDF document text
  • https://www.travelticket.com.au/wp-content/plugins/super-forms/uploads/php/files/un1en7lvic2p3iatj0u3fdr9pk/83948847507.pdfIn PDF document text
  • https://motodubai.com/uploaded_images/files/debakejafukobu.pdfIn PDF document text
  • http://www.majoriscambio.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160bbfbc950d31---zonefoju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/PmAiG5ZyT-k/uplcv?utm_term=mpp+solar+hybrid+inverter+pdfPDF 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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