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://nomylo.ru/uplcv?utm_term=realidades+2+workbook+answers PDF link annotation

  • http://slsnn.ru/content/file/mogejavos.pdfIn PDF document text
  • https://consultingexpert.eu/fckeditor/userfiles/file/jojalikasakafivexemaxuzi.pdfIn PDF document text
  • http://technestudio.eu/userfiles/files/gupirijor.pdfIn PDF document text
  • https://wacee.net/wp-content/plugins/formcraft/file-upload/server/content/files/161302e5f0b4ef---vazufoxewuvob.pdfIn PDF document text
  • https://techielingo.com/fck_uploads/files/29188015829.pdfIn PDF document text
  • http://www.platformliften.info/wp-content/plugins/formcraft/file-upload/server/content/files/1613f7b105a5a7---poduvo.pdfIn PDF document text
  • https://srmhomes.com/images/bulk_images/files/92101839283.pdfIn PDF document text
  • http://livestocktool.com/d/files/velefizuzisupedamogapalat.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/kaguzipofijub.pdfIn PDF document text
  • http://studiotecnicobergamaschi.it/userfiles/files/goxefemoxirevur.pdfIn PDF document text
  • http://kyanite.tv/userfiles/file/57913449719.pdfIn PDF document text
  • https://www.q-jin.ne.jp/ckfinder/userfiles/files/sipururosodukiwaji.pdfIn PDF document text
  • http://bctlorraine.org/userfiles/file/jowozagaj.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/161343ea2091b0---10279612812.pdfIn PDF document text
  • http://aokisuper.com/ckfinder/userfiles/files/87779966410.pdfIn PDF document text
  • https://jairdefreitas.com/ckfinder/userfiles/files/66570242118.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/efc034d538a6024be14d7271b4644f2f/31555937114.pdfIn PDF document text
  • http://m-camper.ru/ckfinder/userfiles/files/dajivilonunisenorikarodu.pdfIn PDF document text
  • http://xn--80ackbssfuieecff0e8c.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/s0q3tjnb9ph4hecng05oamlp25/59772966325.pdfIn PDF document text
  • http://avtokit116.ru/!upload/files/43351143761.pdfIn PDF document text
  • http://togclick.com/media/userFckfiles/file/35961747952.pdfIn PDF document text
  • http://buffagiuseppeinfissi.com/userfiles/files/totuvurotegen.pdfIn PDF document text
  • http://robotsuk.com/luckingbros.co.uk/userfiles/files/85049023700.pdfIn PDF document text
  • https://www.nevjegykiraly.hu/userfiles/files/39530405471.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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