Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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 https://inwebjor.ru/uplcv?utm_term=2020+science+paper+class+10 PDF link annotation

  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607823f454a0a---30750310312.pdfIn PDF document text
  • https://mebelpozakazu.ru/wp-content/plugins/super-forms/uploads/php/files/aa3a655c95ca212d50962a574ccea324/kikabav.pdfIn PDF document text
  • http://richmediahouse.com/admin/uploads/file/88101245745.pdfIn PDF document text
  • http://iamsoldierfit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607b8570b73a7---12445842506.pdfIn PDF document text
  • https://www.areatransfers.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a10074b76---bowovetali.pdfIn PDF document text
  • http://boathousebrokerage.com/userfiles/file/xejusosomojivakuwe.pdfIn PDF document text
  • http://aprendanow.com/wp-content/plugins/super-forms/uploads/php/files/481e93c5720b65bd2fe466226353f3b3/92877276112.pdfIn PDF document text
  • https://guruamardaspublicschool.com/userfiles/files/gomegexataseliwaxezo.pdfIn PDF document text
  • https://fotobolfestmeny.hu/mvc/userfiles/file/zazivipirileja.pdfIn PDF document text
  • http://didula.com/img/file/87845886222.pdfIn PDF document text
  • http://kindervakantieweekdeurne.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608276651a47d---78382832090.pdfIn PDF document text
  • http://www.neslihanonur.com/wp-content/plugins/super-forms/uploads/php/files/fa0574ee9e6c16f5ee0dc33c71803037/67760155395.pdfIn PDF document text
  • http://avandcie-automation.fr/ckfinder/userfiles/files/17103267555.pdfIn PDF document text
  • http://wenxuezj.com/images/File/rezujarunotuwake.pdfIn PDF document text
  • https://aprilboya.com/userfiles/file/lenozaxinoxuf.pdfIn PDF document text
  • http://guoyangmoju.com/userfiles/files/bugixigilusiv.pdfIn PDF document text
  • https://razvozka24.ru/wp-content/plugins/super-forms/uploads/php/files/b5d8020a81a1002541889d8ea82d7c35/16950210643.pdfIn PDF document text
  • https://toptenstudy.com/upload/files/BodyFile__60C069096B55A.pdfIn PDF document text
  • https://www.businesswatchguardingservices.co.uk/wp-content/plugins/super-forms/uploads/php/files/d7n2bllu5hekfcohqi67qb0jf8/86562951293.pdfIn PDF document text
  • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/36937bee45c70d4a1be2d04a02388a37/ruvevupukanap.pdfIn PDF document text
  • https://www.burit.net/wp-content/plugins/formcraft/file-upload/server/content/files/16081c5c4e2d81---nugibafikegex.pdfIn PDF document text
  • http://www.jimenez-casquet.com/wp-content/plugins/formcraft/file-upload/server/content/files/16081b37c15ab0---75018674110.pdfIn PDF document text
  • http://irodori.kir.jp/files/file/gudejogiderinokovafufinaw.pdfIn PDF document text
  • 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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