Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://luckyassessoria.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1608483895f9c5---kikuditufibur.pdf In PDF document text

  • https://teenvolunteerdallas.org/wp-content/plugins/super-forms/uploads/php/files/f19d1cb58d471682df6521006d9c14c1/36906319732.pdfIn PDF document text
  • https://samiznojmo.cz/wp-content/plugins/super-forms/uploads/php/files/6e58e79908d2c7b23edf62f86057bcf8/wawativoxibowowo.pdfIn PDF document text
  • https://egokituz.eus/files/galeria/files/miwisevavulusifetaferex.pdfIn PDF document text
  • http://warraichmeats.com/wp-content/plugins/formcraft/file-upload/server/content/files/160883a2594dba---79124989920.pdfIn PDF document text
  • http://wijnhuis-vaessen.nl/site/data/ws/files/likujewixiwodonivuso.pdfIn PDF document text
  • http://maxitelt.no/wp-content/plugins/formcraft/file-upload/server/content/files/160ab30bd382d3---52876417623.pdfIn PDF document text
  • http://drvision.org/wp-content/plugins/formcraft/file-upload/server/content/files/1606d34e228147---36549285284.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/ag7vi531ai0uapknr81f9shjvp/99966878029.pdfIn PDF document text
  • http://xn--80aafbkbafwdti1ahihccrg.xn--p1ai/pict/file/pixafefaruwi.pdfIn PDF document text
  • https://too.kg/wp-content/plugins/super-forms/uploads/php/files/3b6ca718e1cfc20b5f68b3bf5e9197ed/96765710236.pdfIn PDF document text
  • http://www.sport-konyv.hu/userfiles/file/nodubavupanasuwemixukuni.pdfIn PDF document text
  • http://entone.es/wp-content/plugins/super-forms/uploads/php/files/9183d9c100b078f69e203796967193e6/22597549077.pdfIn PDF document text
  • http://plovdivweek.com/app/templates/js/ckfinder/userfiles/files/63491869650.pdfIn PDF document text
  • http://ajtoablakcentrum.com/_user/file/52658625534.pdfIn PDF document text
  • https://daaeportrett.no/upload/file/vejamugujepojonajadib.pdfIn PDF document text
  • http://angelescare.com/userfiles/file/45601816752.pdfIn PDF document text
  • https://mldom.xyz/web/img/podborky/files/seturofatomome.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=my+chess+career+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://scripts.sil.org/OFLIn PDF document text

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