Malicious PDF — malware analysis report

Heuristics 7

• 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.
• 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://www.oschouston.com/osc/wp-content/plugins/formcraft/file-upload/server/content/files/1609b6cb2be21e---sezozonakagirajujeleb.pdf In PDF document text

  • http://fiumevivo.it/userfiles/files/97883519780.pdfIn PDF document text
  • http://dichvutheapec.com/upload/FCK/file/98271193675.pdfIn PDF document text
  • http://www.amanuttarakhand.org/ckfinder/userfiles/files/rosuwetapoji.pdfIn PDF document text
  • http://huucodatlanh.com/userfiles/file/nexas.pdfIn PDF document text
  • http://insei.eu/userfiles/files/zeser.pdfIn PDF document text
  • http://svsteinfurth.de/radsportfiles/file/10664017038.pdfIn PDF document text
  • https://pavaniautismschools.com/wp-content/plugins/super-forms/uploads/php/files/tms2jpqb6de2ce95n4if809kb6/6553288741.pdfIn PDF document text
  • https://atpl.aero/ckfinder/userfiles/files/57638999795.pdfIn PDF document text
  • https://moulindelarroque.com/userfiles/file/72210541525.pdfIn PDF document text
  • https://www.jahnigterbraak.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a5f1e97a757---52770815870.pdfIn PDF document text
  • https://www.uniqueartzz.com/wp-content/plugins/super-forms/uploads/php/files/6j2q60qh4rc6tablr6n25r30bu/veberawa.pdfIn PDF document text
  • http://toanthinh.vn/webroot/img/files/lojijudegaf.pdfIn PDF document text
  • https://www.emmabowman.com/wp-content/plugins/super-forms/uploads/php/files/e600e775e5f4c7689f0405cd20a818dd/42895619463.pdfIn PDF document text
  • https://theshairpodcast.com/wp-content/plugins/super-forms/uploads/php/files/d876dc995d7019cc35c20f1d6a0e7727/gufixivobexubogamureda.pdfIn PDF document text
  • http://stroynerud-sm.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160c91cac53cbb---40042395244.pdfIn PDF document text
  • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/b786fd6e25705c8bb5d3f2331798ec10/positawamesozedumopuje.pdfIn PDF document text
  • https://www.costaverde.it/wp-content/plugins/formcraft/file-upload/server/content/files/160c43defa2b25---sitemexafapava.pdfIn PDF document text
  • https://marljivo.hr/UserFiles/files/18683235741.pdfIn PDF document text
  • http://thy-environment.com/userfiles/files/89634776664.pdfIn PDF document text
  • https://istihdamhaberleri.com/upload/ckfinder/files/guraw.pdfIn PDF document text
  • http://karinameal.com/imgdish/files/64142576284.pdfIn PDF document text
  • https://expungemyrecordnj.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606cc0095029a---gosixetevetewili.pdfIn PDF document text
  • http://technestudio.eu/userfiles/files/pitesezotidiginozituluz.pdfIn PDF document text
  • http://studiotipaldo.com/userfiles/files/lamededudanowas.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/1KS0DP0cxss/uplcv?utm_term=irregular+verbs+worksheets+2nd+gradePDF 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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