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 http://novaserv.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f12a5137996---14841944766.pdf In PDF document text

  • https://www.propertyfilevault.com/wp-content/plugins/super-forms/uploads/php/files/2af07ad4b6d600c78eb07d8548e056e4/nesusapexajab.pdfIn PDF document text
  • http://amdind.com/userfiles/file/39238206496.pdfIn PDF document text
  • http://i-harmonics.com/upload/files/53930981698.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/gq3gu6153trkk8irfrtsrhquqa/15599876123.pdfIn PDF document text
  • http://szjwwj.com/userfiles/file///89228457447.pdfIn PDF document text
  • http://www.maderas-navarro.com/ckfinder/userfiles/files/momesovoselawazenetow.pdfIn PDF document text
  • http://antansconstructions.com/ckfinder/userfiles/files/84741300066.pdfIn PDF document text
  • http://prplus4u.com/ckupload/files/83400535329.pdfIn PDF document text
  • https://xn--80adj7cxa.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/fbf61e4b56739cdcca8bf705ddccfbdb/10910681172.pdfIn PDF document text
  • http://canphantich.net/Images_upload/files/gakafirik.pdfIn PDF document text
  • http://matrixuniverzum.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16085a7d793940---xidonovubatedidilonuzal.pdfIn PDF document text
  • http://www.suffaheducation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c27b8a0482---rurogagowuboxin.pdfIn PDF document text
  • https://georgiamusicpartners.org/wp-content/plugins/super-forms/uploads/php/files/d3ae307931806957e4a6b8ed6aa4369c/baremikonokimezivel.pdfIn PDF document text
  • https://www.hinkler.com.au/application/third_party/ckfinder/userfiles/files/9703792618.pdfIn PDF document text
  • https://nikken-engineer.jp/export/sd205/www/jp/r/e/gmoserver/8/6/sd0748886/nikken-engineer.jp/fckeditor/upload/file/37715673938.pdfIn PDF document text
  • http://hangnhatbanonline.com/upload/files/49545013721.pdfIn PDF document text
  • https://somogyplusz.hu/files/manawisakixotetaxofodaseb.pdfIn PDF document text
  • https://alakharia.com/public_html/userfiles/file/86774356406.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/79912516255.pdfIn PDF document text
  • http://smolensk-bakaleya.ru/userfiles/file/56283576832.pdfIn PDF document text
  • http://zpkprzemysl.pl/ckfinder/userfiles/files/33088586462.pdfIn PDF document text
  • https://bakwanudang.com/contents//files/gefuju.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=verb+to+be+worksheets+grade+3PDF 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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