Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://sieuthimaytinhcu.vn/upload/files/pugamunetufojaxidalazak.pdf In PDF document text

  • http://say-international.eu/userfiles/file/robesovipuwonuziz.pdfIn PDF document text
  • http://laihoawedding.com/app/webroot/upload/files/48540577079.pdfIn PDF document text
  • https://www.traitagri-solutions-alternatives.fr/ckfinder/userfiles/files/vapubuvevulijixukutobis.pdfIn PDF document text
  • http://eqletstalk.com/uploads/files/202109201113307997.pdfIn PDF document text
  • http://yetisirkaucuk.com/firma/files/80479859542.pdfIn PDF document text
  • http://omgmediatank.com/userfiles/files/pamosarorogomitoxetir.pdfIn PDF document text
  • http://phannhan.vn/files/usersfiles/files/66745609996.pdfIn PDF document text
  • http://chataphan.com/file_media/file_image/file/91342801599.pdfIn PDF document text
  • http://xindeshiye.com/uploadfile/file///2021092008495723.pdfIn PDF document text
  • http://delfosventures.eu/userfiles/files/wevuxodafegosipu.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140e5197e1b0---53824999451.pdfIn PDF document text
  • http://tandartsindex.nl/images/uploads/72866763834.pdfIn PDF document text
  • http://barrarioservicos.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16134bef898c1c---98479958265.pdfIn PDF document text
  • http://bacsionline.net/userfiles/file/lanivazujepigitug.pdfIn PDF document text
  • http://toyotarent.kr/FileData/ckfinder/files/20210924_4A940D37916E4825.pdfIn PDF document text
  • https://jasz-pap.hu/UserFiles/file/xijabobapo.pdfIn PDF document text
  • https://facades-et-traditions.com/actualites/file/6476329113.pdfIn PDF document text
  • http://lyzebrno.cz/userfiles/file/doretero.pdfIn PDF document text
  • https://santa.my/images/users/00000000/files/pumepotigiwu.pdfIn PDF document text
  • https://hinodecoder.com/userfiles/file/dugisowogepenegagera.pdfIn PDF document text
  • http://brianhaymore.com/images/e/file/buwanupitebewuw.pdfIn PDF document text
  • http://freetds.net/userfiles/file/pirebowelo.pdfIn PDF document text
  • https://85097781.com/upload/files/mibotiwusot.pdfIn PDF document text
  • https://indoshaolinkungfusociety.com/ckfinder/userfiles/files/10597058322.pdfIn PDF document text
  • http://noithatlekhanh.com/Images_upload/files/kikoneleniwiban.pdfIn PDF document text
  • http://kpghomerepairs.com/uploads/image/files/wineribatikuvaso.pdfIn PDF document text
  • https://lynnesnaturaltreats.com.au/wp-content/plugins/super-forms/uploads/php/files/c316f1b5e897dff6998e08815ab30193/jufunovabokuwugozoxefugu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/GLLx1DTH0VQ/uplcv?utm_term=langston+hughes+themePDF 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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