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=hemiacetal+and+acetal+formation PDF link annotation

  • http://lnv-cnc.gr/userfiles/file/pirera.pdfIn PDF document text
  • https://lmetinternationalschool.in/ckeditor/ckfinder/userfiles/files/55616184179.pdfIn PDF document text
  • http://tdbakademi.org/userfiles/files/52655131722.pdfIn PDF document text
  • https://a-1commercialkitchenservices.com/ckfinder/userfiles/files/8466416829.pdfIn PDF document text
  • http://bettynblue.com/upload/fck_img/20210903/file/fojojojewoda.pdfIn PDF document text
  • http://air-con.ru/upload/files/98850336975.pdfIn PDF document text
  • http://fujavietnam.com/images/Download/48044429477.pdfIn PDF document text
  • http://personal.sut.ac.th/chantira/port/ckfinder/userfiles/files/dubijeliwanerefivimekuwu.pdfIn PDF document text
  • https://vickers-electronics.co.uk/wp-content/plugins/super-forms/uploads/php/files/f3f2b9088aa4ae8dbd24abd871a37382/72765399886.pdfIn PDF document text
  • http://coumert.com/images/file/60507517835.pdfIn PDF document text
  • http://romanasulcikova.cz/userfiles/sevelosepomovotizine.pdfIn PDF document text
  • http://kondicionery-vidnoe.ru/upload_picture/file/17745904169.pdfIn PDF document text
  • https://xn--23-6kci4asohe8k.xn--p1ai/userfiles/file/sazojemuromode.pdfIn PDF document text
  • http://panhongbo.com/ckfinder/userfiles/site_eachfun_com/files/87208396462.pdfIn PDF document text
  • http://stkvn.ru/wp-content/plugins/super-forms/uploads/php/files/d7c7713c9a71b65fc009c537e8928271/kuzorumabofaverusoxupites.pdfIn PDF document text
  • https://estudiowebcolombia.com/ckfinder/userfiles/files/17681717360.pdfIn PDF document text
  • http://yogo110.com/userfiles/file/54644282723.pdfIn PDF document text
  • https://phukienbep.net/media/files/ridivotupiwexapexutokaro.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/1f02efde5792fb01d69915087ecf6aae/81160763804.pdfIn PDF document text
  • http://orourkelawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/76062574854.pdfIn PDF document text
  • https://refundsrefunds.com/wp-content/plugins/formcraft/file-upload/server/content/files/161621095286df---45066114048.pdfIn PDF document text
  • http://pulsrmedia.com/wp-content/plugins/formcraft/file-upload/server/content/files/161369e5bb22d9---mixuz.pdfIn PDF document text
  • http://classiccar-jp.com/js/upload/files/88860986556.pdfIn PDF document text
  • http://gmart-express.com/demo/uploadpic/file/xofusojimexufifijobexofaz.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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