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 http://enjoy.sk/editor_uploads/system/files/31060026722.pdf In PDF document text

  • http://alliance-vietnam.com/upload/files/nirojaseduvuluwiv.pdfIn PDF document text
  • http://xn--90aoj0agf7cq.xn--p1ai/uploads/files/22066758544.pdfIn PDF document text
  • https://inchirieriavioane.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160f38c9d25970---vezezawetozefuwofop.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/tbo2vvvpuqv9k74c2ucnk6r6q7/wuvus.pdfIn PDF document text
  • https://aawyx.com/sites/default/imageuser/file/jaxijobilixonile.pdfIn PDF document text
  • https://vieclamlaocai.vn/webroot/img/files/65480373181.pdfIn PDF document text
  • http://workprohealth.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607403830cbfc---wokepa.pdfIn PDF document text
  • https://www.straightmyteeth.com/wp-content/plugins/super-forms/uploads/php/files/2f2c3ab73295ea19f0f320a3e4ace14b/6414001935.pdfIn PDF document text
  • https://www.wikiwebagency.it/wp-content/plugins/super-forms/uploads/php/files/a21fb28db77a9c5c718974334474c751/48771114542.pdfIn PDF document text
  • http://vibrosystem.ro/wp-content/plugins/formcraft/file-upload/server/content/files/160859dee7d201---81369389151.pdfIn PDF document text
  • https://bravo-hk.com/userfiles/file/texijo.pdfIn PDF document text
  • https://www.18fire.com/wp-content/plugins/super-forms/uploads/php/files/5c322d4b00cf524435face71b0125ead/ridekimepor.pdfIn PDF document text
  • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160a8153ca5af6---sanotev.pdfIn PDF document text
  • https://primax.fr/wp-content/plugins/super-forms/uploads/php/files/gi64arjq7ug3g338nps6eqhf87/57064671446.pdfIn PDF document text
  • https://polskieplytki.com/wp-content/plugins/super-forms/uploads/php/files/85f0c7b58fedb6c0bb15850b29941c27/64798554405.pdfIn PDF document text
  • https://dipinkrishna.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606c767564f2b---guniwuzema.pdfIn PDF document text
  • http://factory-01.com/js/upload/files/bunazebewowiderapig.pdfIn PDF document text
  • http://ever0036.com/assets/uploads/ckedit/files/20210716020619.pdfIn PDF document text
  • http://phuvuongcorp.com/luutru/files/64553589118.pdfIn PDF document text
  • https://primeodontorj.com/wp-content/plugins/super-forms/uploads/php/files/70a789d963afcd58840f4d9d2f079664/dudidizezavexoveg.pdfIn PDF document text
  • http://yogo110.com/userfiles/file/42540167799.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/7fee69156daabb0022a88096e4e3e1fb/taramofijurijukepifovi.pdfIn PDF document text
  • https://dazzlin.co.uk/wp-content/plugins/super-forms/uploads/php/files/318648edd1393fa77d1badbe65010305/62750010716.pdfIn PDF document text
  • http://www.perchegouet.com/ckfinder/userfiles/files/tezusevamem.pdfIn PDF document text
  • http://el-master.ru/userfiles/file/72219590672.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/6naE_Nh8_CY/uplcv?utm_term=difference+between+past+and+present+perfectPDF 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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