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://cructi.ru/uplcv?utm_term=angry+run+mod+apk PDF link annotation

  • https://mps-india.com/userfiles/files/97934344539.pdfIn PDF document text
  • http://ewtch.com/upload/files/31347283631.pdfIn PDF document text
  • https://smilaxlabs.com/userfiles/files/77624925176.pdfIn PDF document text
  • https://www.hkha.org/ckfinder/userfiles/files/17681500152.pdfIn PDF document text
  • http://nawooelcs.com/upload/userfiles/2021/09/files/210907211705.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/72853256776.pdfIn PDF document text
  • https://eliteswimmingpoolsinc.com/wp-content/plugins/super-forms/uploads/php/files/ntedpjku0ijhjfrgdr1nq23q30/xiwibiguz.pdfIn PDF document text
  • http://www.ecrivains-consult.fr/easyonline/ckfinder/userfiles/files/43761992201.pdfIn PDF document text
  • https://torbay.ru/images/uploads/file/18469072940.pdfIn PDF document text
  • http://gibisch.com/files/files/17542625016.pdfIn PDF document text
  • http://jingyitech.com/uploadfile/74387010535.pdfIn PDF document text
  • http://interfacetravels.com/app/webroot/js/ckfinder/userfiles/files/siburededuzepepede.pdfIn PDF document text
  • http://yishiweb.com/upfiles/files/20210904_105850.pdfIn PDF document text
  • https://ienter.bg/files/31566210765.pdfIn PDF document text
  • http://ergo-logo-bamberg.de/userfiles/file/10213154953.pdfIn PDF document text
  • https://luxartparquet.com/wp-content/plugins/super-forms/uploads/php/files/92d52d1addf9e9819edbdc05b93b6b23/61875986027.pdfIn PDF document text
  • http://xn--365-pn7mwb654m2qn.com/ckupload/files/daluzevi.pdfIn PDF document text
  • http://associatedreclaimed.com/userfiles/files/50524769159.pdfIn PDF document text
  • http://youandisagenix.com/ckfinder/userfiles/files/sutesutix.pdfIn PDF document text
  • http://www.atsamuihaus.com/image/upload/File/93424793590.pdfIn PDF document text
  • http://sungsam.net/userData/board/file/kagorupoza.pdfIn PDF document text
  • http://raylutickenterprises.com/userfiles/files/siliti.pdfIn PDF document text
  • https://radiosmile.hu/upload/file/wuritipimatapun.pdfIn PDF document text
  • http://steelfurniturecn.com/d/files/wizisibamupovof.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/16133acabe7d40---pavom.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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