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.
• 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 https://ketchas.ru/uplcv?utm_term=unit+11+volume+and+surface+area+homework+4+answer+key PDF link annotation

  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/9405b32a0c7381ee0620aa871a05079f/bujikitedix.pdfIn PDF document text
  • https://www.mobytec.com.br/mobytec/wp-content/plugins/formcraft/file-upload/server/content/files/160e40f2b67399---janukamopetudavenorowezi.pdfIn PDF document text
  • https://www.pal-kont.hu/wp-content/plugins/super-forms/uploads/php/files/127d382199c80ee2ea7802acc6bd483f/devewex.pdfIn PDF document text
  • http://sxhk365.com/uploads/file///kujiwazenupivutogutozanam.pdfIn PDF document text
  • https://www.luthier-auxerre.fr/ckfinder/userfiles/files/rogidomipugirofamobe.pdfIn PDF document text
  • http://www.farparts.cl/wp-content/plugins/formcraft/file-upload/server/content/files/16071987f3f63d---tesupoje.pdfIn PDF document text
  • https://m-co.de/wp-content/plugins/super-forms/uploads/php/files/ongcke5ifb7b1c5bo0ef7ake8a/82562160879.pdfIn PDF document text
  • https://hattoco.vn/images/ckeditor/files/32245656756.pdfIn PDF document text
  • http://terminsk.by/pics/files/71133829848.pdfIn PDF document text
  • http://vendsol.com/userfiles/file/kajimulu.pdfIn PDF document text
  • http://www.park-seversk.ru/other/js/ckfinder/userfiles/files/beladopixixibu.pdfIn PDF document text
  • http://www.vivelamusica.es/wp-content/plugins/formcraft/file-upload/server/content/files/160883ad2608af---89197919604.pdfIn PDF document text
  • https://fatheragneliti.com/wp-content/plugins/formcraft/file-upload/server/content/files/16105af4975907---mubemoxisiv.pdfIn PDF document text
  • https://www.officinadelgustoroma.com/wp-content/plugins/super-forms/uploads/php/files/5d5fb72c6e2203d90696ee0cf152d9e5/duzimudobikiluf.pdfIn PDF document text
  • http://cuatudongnhatrang.com/uploads/files/vezojimodulimas.pdfIn PDF document text
  • https://namastehealth.in/wp-content/plugins/super-forms/uploads/php/files/6akpj9hv17o3u4c809ff4f5jar/fapepiferevas.pdfIn PDF document text
  • https://nnkcreations.com/userfiles/file/53600517870.pdfIn PDF document text
  • https://lifo-sea.com/ckfinder/userfiles/files/96761171593.pdfIn PDF document text
  • http://www.hptindia.com/wp-content/plugins/formcraft/file-upload/server/content/files/1611b64ddc2d86---rokirivafivifosixego.pdfIn PDF document text
  • http://peoplefineart.com/assets/202108/files/20210813090319353154.pdfIn PDF document text
  • http://adoriantarla.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160d0c184262d8---90103171690.pdfIn PDF document text
  • https://tese.in/ckfinder/userfiles/files/loruwef.pdfIn PDF document text
  • https://unicornproduction.gr/wp-content/plugins/super-forms/uploads/php/files/357acac52f77f8db14b80fc5e1987964/27892404303.pdfIn PDF document text
  • https://erdenet.mn/userfiles/file/73462730465.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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