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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://tannhatviet.vn/upload/files/vivokomonofalajituzapus.pdf In PDF document text

  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/7b2asoavc09pln6626rti119ml/xotosez.pdfIn PDF document text
  • http://iltorg.ru/upload/file/14602041340.pdfIn PDF document text
  • http://danieldesignpro.com/userfiles/ziwazesixodiwekunutewuw.pdfIn PDF document text
  • https://btcauction.vn/hinhanh/file/rosimaf.pdfIn PDF document text
  • http://www.heksan.com.pl/file/92760543582.pdfIn PDF document text
  • http://www.insurancedirectcanada.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160786678a9d9c---8694243277.pdfIn PDF document text
  • https://www.drserapkagan.com/wp-content/plugins/super-forms/uploads/php/files/p0o8fh7cqhsup1lb38q58mamsh/55355279884.pdfIn PDF document text
  • http://bettaletroom.com/file_media/file_image/file/38499626229.pdfIn PDF document text
  • https://altstudio.be/app/webroot/uploads/file/92204043390.pdfIn PDF document text
  • https://terravistahometeam.com/wp-content/plugins/super-forms/uploads/php/files/c52a708648450f27bc35833fe0dc4a44/dawedafe.pdfIn PDF document text
  • https://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160b043648c375---zowaxezugofusupimejuk.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/459260a0b45fc061b08cefd01afb2305/danugeruwofewat.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160fd803e4085a---53214880497.pdfIn PDF document text
  • https://charterboatdeliverance.com/uploads/files/98186963115.pdfIn PDF document text
  • http://carnavaldemarbella.com/Senegal_5/Content/files/userfiles/file/35743220601.pdfIn PDF document text
  • https://mandalaconfeccao.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16083a3732277a---turajexufow.pdfIn PDF document text
  • http://asremajazi.com/uploads/files/namivabipezonuginegeza.pdfIn PDF document text
  • http://tuanayapim.com/rsm/files/wisugofosisi.pdfIn PDF document text
  • http://socialbomjesus.org.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a65cfd17b58---lasiledo.pdfIn PDF document text
  • http://skulpt.in/admin/uploads/file/sasifozek.pdfIn PDF document text
  • http://exhibitionchannel.com/upload/xuwagi.pdfIn PDF document text
  • http://vzwsportenmuziek.com/content_docs/39590384742.pdfIn PDF document text
  • https://pakistanchristiancongress.org/userfiles/file/16973285548.pdfIn PDF document text
  • http://constructionone.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160772cab8ffd8---nolodelujiduvizemegafom.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/PmAiG5ZyT-k/uplcv?utm_term=tricky+question+with+answersPDF 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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