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
• Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
  PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
• 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.
• 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://crysiq.ru/uplcv?utm_term=4+letter+words+starting+with+f+and+ending+with+k PDF link annotation

  • http://tsg-vaganovskoe.ru/ckfinder/userfiles/files/27968034884.pdfIn PDF document text
  • http://mobilni-kadernictvi.cz/files/file/vodusak.pdfIn PDF document text
  • http://www.swaving-stalinrichting.nl/ckfinder/userfiles/files/fulatoxe.pdfIn PDF document text
  • http://www.hkqi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c8acc1b1f1---81532651615.pdfIn PDF document text
  • https://www.sgestrecho.es/wp-content/plugins/formcraft/file-upload/server/content/files/1614041dd4937c---saraleb.pdfIn PDF document text
  • http://sintjorisparochie.nl/userfiles/file/84118340999.pdfIn PDF document text
  • http://ville-dammarie.com/ckfinder/userfiles/files/48436793266.pdfIn PDF document text
  • http://ngocphuocjsc.com/public/default/ckeditor/files/28106872457.pdfIn PDF document text
  • https://nazragame.com/calisma2/files/uploads/rizunawafo.pdfIn PDF document text
  • http://185.33.116.145/~acus01/upload/files/lopexezizagugawunojoxo.pdfPDF link annotation
  • https://247christianity.org/fckeditor/userfiles/file/binivawuki1631509972.pdfIn PDF document text
  • https://spirit-legend-enterprises.com/webroot/editor-uploads/files/pozaripirobofe.pdfIn PDF document text
  • http://choinka4x4.org/cms/files/file/polisarakewi.pdfIn PDF document text
  • https://qfuse.it/images/uploaded_files/ckfinder/files/1631172041_97ef60c635.pdfIn PDF document text
  • https://red-adlay.com/upload/files/28921235048.pdfIn PDF document text
  • https://apapunada.com/contents/files/fowanew.pdfIn PDF document text
  • http://susasoft.com/upload/userfiles/files/fizubesakexomopog.pdfIn PDF document text
  • http://jacsonsfurniture.com/userfiles/file/takuwitumekimiwesipafew.pdfIn PDF document text
  • https://chorland-dining.com/webroot/editor-uploads/files/wubajetejifabuto.pdfIn PDF document text
  • http://objetivovender.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139aa59a1621---mevinabo.pdfIn PDF document text
  • https://rcot.org/userfiles/file/4391424572.pdfIn PDF document text
  • https://alcc.c-zentrix.com/ALCC/mail_attachments/multitenant-ws-01/1/1631805443.pdfIn PDF document text
  • http://www.themixchange.com/userfiles/files/52360524905.pdfIn PDF document text
  • http://escolacaritas.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614238b10f1b6---11325322714.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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