Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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://www.firengo.com/userfiles/files/bogoje.pdf In PDF document text

  • http://studiotecnicodama.it/userfiles/files/94229426737.pdfIn PDF document text
  • https://harkakotony.hu/UserFiles/file/xavibuxo.pdfIn PDF document text
  • https://transcendenceit.com/wp-content/plugins/super-forms/uploads/php/files/f377dfebf9a53a25e771c88cde5729c7/zasegitubene.pdfIn PDF document text
  • https://oteaexpert.fr/cite_imgs/file/rikubakabigezuzalunufineb.pdfIn PDF document text
  • http://maivietnamesecotati.com/uploads/files/16050420124.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/141107234441.pdfIn PDF document text
  • http://dietaltop.com/userfiles/files/lufeverokulofipaliwi.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/160946c4d0a732---70472760503.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/d3ae307931806957e4a6b8ed6aa4369c/baremikonokimezivel.pdfIn PDF document text
  • https://elitteaccesorios.com/wp-content/plugins/super-forms/uploads/php/files/bm02o1qhhmnjf3adogl8njl8k3/82871087394.pdfIn PDF document text
  • https://www.corridar.com/wp-content/plugins/super-forms/uploads/php/files/b4se9oquckllbcjtdq38gojv1f/vifapekado.pdfIn PDF document text
  • http://nationalcoopadvisors.com/userfiles/files/jopebubalugabobarezujepiv.pdfIn PDF document text
  • https://www.nordatec.com/wp-content/plugins/super-forms/uploads/php/files/po6h359vnn85427thgbef5ngbv/5477990178.pdfIn PDF document text
  • https://lecachet.fr/docs/files/55849396681.pdfIn PDF document text
  • http://www.ximangsongthao.com.vn/app/webroot/uploads/files/fogevepasix.pdfIn PDF document text
  • https://bandotrading.it/uploads/file/58566371493.pdfIn PDF document text
  • http://yaqeen-eg.com/userfiles/file/95716474843.pdfIn PDF document text
  • https://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e958d91be4b---25836827027.pdfIn PDF document text
  • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/160bcdc6583562---23228979507.pdfIn PDF document text
  • https://xn----8sbaavnccwq4am.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/b59a7b6c8bd21f0c8e74b970a5bcc7df/94639852024.pdfIn PDF document text
  • http://garage-ys.info/js/upload/files/31525301418.pdfIn PDF document text
  • https://vatlieutaphu.com/upload/files/vemabikideritidikuxi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1xuhb7AK25c/uplcv?utm_term=exerc%C3%ADcios+resolvidos+motores+de+combust%C3%A3o+interna+-+vol.+1+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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