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://huntic.ru/uplcv?utm_term=how+to+gain+leg+muscle+without+weights PDF link annotation

  • http://www.auditsi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609243688c1b5---8179644540.pdfIn PDF document text
  • http://aelma.com/sites/default/userfiles/file/puwixilowutijufawefaneru.pdfIn PDF document text
  • http://www.ambredore.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609c373a6d676---91278116130.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609df21c52d4c---ravesojamaw.pdfIn PDF document text
  • http://mg001.cn/upload_fck/file/2021-5-8/20210508132852135397.pdfIn PDF document text
  • https://www.crossfitparamaribo.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f716ec5078---matofaxovalivo.pdfIn PDF document text
  • http://www.hj-bouwt.be/wp-content/plugins/formcraft/file-upload/server/content/files/1607aac98262a9---82451922052.pdfIn PDF document text
  • https://controlcert.se/wp-content/plugins/formcraft/file-upload/server/content/files/160ad833cdc8a1---runaxosapatefuninesovi.pdfIn PDF document text
  • https://alkalacarservice.com/public_html/userfiles/file/40472339937.pdfIn PDF document text
  • https://www.andeanskyline.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606df28f544a5---54188181344.pdfIn PDF document text
  • https://mediabandit.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607188993af0f---78294060951.pdfIn PDF document text
  • https://www.cr-sdc.org/wp-content/plugins/super-forms/uploads/php/files/c34d41537b31558c20343453744e0319/xudapaf.pdfIn PDF document text
  • http://www.socalgreatwhite.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071461a66fa6---54415279129.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/10763442989.pdfIn PDF document text
  • http://iideree.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609f7cfe6aff6---gutezag.pdfIn PDF document text
  • https://snabavto.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608866e825203---17338686704.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160acddc12aa7e---9692486365.pdfPDF link annotation
  • https://mayurherbal.com/userfiles/file/jasibonazuliraxutododak.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn 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://scripts.sil.org/OFLIn PDF document text

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