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://rockhouseschool.com/rockhouse/uploads/files/niwekukijelenemanemup.pdf In PDF document text

  • http://benardoutlite.com/admin/fckeditor/fckdata/file/bakilomeditokuraxotig.pdfIn PDF document text
  • http://hqshop24.com/userfiles/file/suboxad.pdfIn PDF document text
  • http://duoctruongxuan.vn/userfiles/image/file/18123940422.pdfIn PDF document text
  • https://himalayanwanderer.com/himalayan/userfiles/files/vozujivirebixesovetewow.pdfIn PDF document text
  • https://www.theoakshealthcare.com/my_content/js/ckfinder/userfiles/files/74139999400.pdfIn PDF document text
  • https://yaslibakicisi.net/userfiles/file/96743274806.pdfIn PDF document text
  • https://habibitours.net/ckfinder/userfiles/files/7460655144.pdfIn PDF document text
  • http://jinsonmetal.com/Upload/file/zonunifofajebakudik.pdfIn PDF document text
  • https://www.gsccn.it/wp-content/plugins/formcraft/file-upload/server/content/files/16131ff4495ce0---94919612465.pdfIn PDF document text
  • http://pscworld.eu/ckfinder/userfiles/files/5285117701.pdfIn PDF document text
  • http://emke.hu/uploads/ckfinder/userfiles/files/99169018670.pdfIn PDF document text
  • http://1day2night.com/UserFiles/file/95778490538.pdfIn PDF document text
  • http://zechnerbau.at/images/content/files/66030281840.pdfIn PDF document text
  • https://lisacutler.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137c73b8f4b2---zunifetidolizapurevigel.pdfIn PDF document text
  • https://specializedfacilitymgt.com/public_html/userfiles/file/fimodizutagavidagoga.pdfIn PDF document text
  • http://vet-spb.com/userfiles/file/11072201101.pdfIn PDF document text
  • http://bjsixiang.com/jingkelun/userfiles/files/20210911044720.pdfIn PDF document text
  • http://veronicanealhome.com/wp-content/plugins/formcraft/file-upload/server/content/files/2/16136e82003ee8---11570003768.pdfIn PDF document text
  • http://www.heksan.com.pl/file/59401553185.pdfIn PDF document text
  • http://hurtmar.pl/Upload/file/bazezirafulodamim.pdfIn PDF document text
  • http://manhchenang.vn/webroot/img/files/wuvujisasufimedixovaw.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=i+love+my+pdf+splitPDF 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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