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.
• 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://mkpstroitel.ru/upload/files/1569772621.pdf In PDF document text

  • https://www.marthatrotts.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1606d7bdf068da---91566110817.pdfIn PDF document text
  • http://www.ppk-kp3k.kkp.go.id/ver2/extra/ckfinder/core/connector/php/media/ckfinder/files/92260455267.pdfIn PDF document text
  • http://tsutae-f.com/js/upload/files/18521802359.pdfIn PDF document text
  • https://tanhoaphat.vn/userfiles/file/37092779991.pdfIn PDF document text
  • https://cplastik.cz/data/cms/file/defevule.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/a7bb5d41fd066aada06647211a6aa23a/71731294513.pdfIn PDF document text
  • https://blueridgelightingandcontrols.com/wp-content/plugins/super-forms/uploads/php/files/34928c7281a2e1b6842621aad69c6607/xirajulobom.pdfIn PDF document text
  • https://www.golddustdental.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c922694aeb0---82221023356.pdfIn PDF document text
  • http://leap-egypt.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607ca15b136b2---popajiwikakenofojo.pdfIn PDF document text
  • https://www.leasing.net.in/ckfinder/userfiles/files/98623408961.pdfIn PDF document text
  • https://media-get.ru/userfiles/files/38834836696.pdfIn PDF document text
  • http://alituncer.com/userfiles/file/58270625125.pdfIn PDF document text
  • https://bem-sa.com/img/file/dajoraxir.pdfIn PDF document text
  • http://ufnk.fr/app/webroot/files/file/jezikabowekefovigewuv.pdfIn PDF document text
  • http://suarezbeltran.com/aym_images/files/14336838583.pdfIn PDF document text
  • http://sgd42.ru/userfiles/file/61039334752.pdfIn PDF document text
  • https://fereshtegan.net/basefile/fereshtegannet/files/bikax.pdfIn PDF document text
  • https://tlproduct.com/userfiles/file/8284459475.pdfIn PDF document text
  • http://dongkoo.com/uploads/editor/files/purawuni.pdfIn PDF document text
  • https://forumhotel.by/wp-content/plugins/super-forms/uploads/php/files/mvs4ihsgfotuqcvak1luitl395/92137768531.pdfIn PDF document text
  • https://burmesecatclub.nz/wp-content/plugins/super-forms/uploads/php/files/1da61dd77cc429b800205f91c010bc68/boputa.pdfIn PDF document text
  • http://tootingtaxi.com/survey/userfiles/files/xevokowuwimutalar.pdfIn PDF document text
  • https://www.ideaklinikkadikoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e546e09d26c---89184489926.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/Om9ozkHLxGw/uplcv?utm_term=introduction+to+the+theory+of+computation+3rd+edition+michael+sipserPDF 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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