Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• Fake invoice / payment lure low SE_INVOICE_LURE
  Document contains invoice or payment language paired with an action verb — useful context when combined with link, macro, or attachment indicators
• 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://smidgel.ru/uplcv?utm_term=buet+admission+question+2019+pdf+download PDF link annotation

  • https://perfecthospital.net/ckfinder/userfiles/files/rokaw.pdfIn PDF document text
  • http://limpiasol.com/wp-content/plugins/formcraft/file-upload/server/content/files/16113ccefa72c1---gabozes.pdfIn PDF document text
  • http://andrelandberg.com/userfiles/file/posinir.pdfIn PDF document text
  • http://ultraljud.nu/bild/files/zuwenetegizab.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/fef5b1c6c765a3a1de1c3a222e94dd8f/tepokeselop.pdfIn PDF document text
  • https://minhkygroup.com/luutru/files/82834869216.pdfIn PDF document text
  • https://realimpacto.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a6a0c95c899---giviviwatiso.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1611310440c157---95630803316.pdfIn PDF document text
  • http://baaningdoi.com/file_media/file_image/file/90799665529.pdfIn PDF document text
  • http://www.guaitoli.eng.br/wp-content/plugins/formcraft/file-upload/server/content/files/16077d47723771---tilafiwiredilemonuxuda.pdfIn PDF document text
  • https://smoothnomad.com/wp-content/plugins/super-forms/uploads/php/files/g80ebinqjdg62gteviub267vgu/94419213619.pdfIn PDF document text
  • http://chothuexeninhbinh.net/data/dulieu/files/zaturiz.pdfIn PDF document text
  • http://stensoproject.com/userfiles/files/pevebenozolebasefoxal.pdfIn PDF document text
  • http://vasvaripalmuzeum.hu/upload/file/84680123751.pdfIn PDF document text
  • http://angelcabrera.com/FCKfiles/file/xuvivipasuzedi.pdfIn PDF document text
  • https://www.thecandystoresudbury.com/wp-content/plugins/super-forms/uploads/php/files/b25uke08aklaiun2k6ov3g1vb1/71831367121.pdfIn PDF document text
  • https://freedomhypnosisnyc.com/wp-content/plugins/super-forms/uploads/php/files/c648c23c85fd00f18240e83b6c10fb59/suxatenakovaxokap.pdfIn PDF document text
  • https://higher-reason.com/wp-content/plugins/super-forms/uploads/php/files/h5604so8vrdsufduu8jltpf9qe/49514670245.pdfIn PDF document text
  • http://izumrud38.com/ckfinder/userfiles/files/rasevezipufeluz.pdfIn PDF document text
  • http://aivieksteslaivas.lv/userfiles/file/duvaxajosovapewodebofatew.pdfIn PDF document text
  • http://moyamoya.center/images/hand_uploaded/files/94167611514.pdfIn PDF document text
  • http://104.156.58.56/~web2inbox/wp-content/plugins/formcraft/file-upload/server/content/files/160c149dc375e7---molokupopitajibebobalari.pdfPDF link annotation
  • http://floridainvestment.cz/files/file/webudoxumomobele.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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