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
• Payment redirection / bank-detail change lure high SE_PAYMENT_REDIRECT_LURE
  Document describes new or changed bank, wire, ACH, IBAN, SWIFT, or routing instructions — a high-value business-email-compromise pattern
• 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://hongmao.tw/uploads/files/202108152359444467.pdf In PDF document text

  • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f1f5e2d542---94915303422.pdfIn PDF document text
  • http://paymentsbusiness.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16090ea7157a23---66950177249.pdfIn PDF document text
  • http://ncfc.com.tr/ckfinder/userfiles/files/kagatavozirigokawapajagex.pdfIn PDF document text
  • http://wacommerce.net/home/integrity/public_html/ckfinder/userfiles/files/mutidiramojebe.pdfIn PDF document text
  • https://louvre.lv/res/wysiwyg/file/mobalewuwadunexisomarakis.pdfIn PDF document text
  • https://www.skyline-recruiting.com/wp-content/plugins/super-forms/uploads/php/files/70a226e4b37a3bef9f7582edc6996d03/51119753350.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/aa54f0eb8914eff243c767c517832c0c/14076780055.pdfIn PDF document text
  • https://www.wemservice.com/ckfinder/userfiles/files/14355277176.pdfIn PDF document text
  • http://vtvxm.vn/userfiles/file/rarizulukijo.pdfIn PDF document text
  • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/b6716bea9843a263f72656c80ddca117/mevaxenadamuvo.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160c55f45d8c63---75691437237.pdfIn PDF document text
  • https://people11people.gr/uploads/File/fonivekarikej.pdfIn PDF document text
  • http://lamachine.nl/userfiles/file/logigimutemidevoxa.pdfIn PDF document text
  • http://studiotecnicomartani.eu/userfiles/files/48386049738.pdfIn PDF document text
  • https://akdenizokullari.k12.tr/wp-content/plugins/super-forms/uploads/php/files/6ee0vqbr12mgfb17i3jpg130tg/foloburupoled.pdfIn PDF document text
  • http://sys-svinding.dk/userfiles/file/robinetutimivo.pdfIn PDF document text
  • http://beta-rc.com/upload/files/17120016201.pdfIn PDF document text
  • http://yilip.net/userData/board/file/82370223609.pdfIn PDF document text
  • http://www.dadosefatos.net.br/wp-content/plugins/formcraft/file-upload/server/content/files/160d5e2862a664---60237708137.pdfIn PDF document text
  • https://ritascreation.com/userfiles/file/nemibin.pdfIn PDF document text
  • https://brusroom.com/wp-content/plugins/super-forms/uploads/php/files/e89d38f7bba7951c84a713cea39894d5/41018948840.pdfIn PDF document text
  • https://akproauto.com/nbloom/fckuploads/file/vaxifeju.pdfIn PDF document text
  • http://perles-del-beya.com/userfiles/file/99088752274.pdfIn PDF document text
  • https://wavesmaroochydore.com/wp-content/plugins/super-forms/uploads/php/files/h3pvtl527a4lmu5mioosuqkbje/tijadorugizisivap.pdfIn PDF document text
  • http://miamiwars.pl/wp-content/plugins/super-forms/uploads/php/files/d3e4f5af9d1069ae635de9381d0978e9/49967170875.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=best+write+on+pdf+appPDF 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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