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 to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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 http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/1613fca035a74e---58433140956.pdf In PDF document text

  • http://derkwoo.com/upload/editor/files/denanomo.pdfIn PDF document text
  • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16142c4baea4bc---xoxunebasukoxovaxol.pdfIn PDF document text
  • https://xlux.vn/wp-content/plugins/super-forms/uploads/php/files/kq2smpc5neg6nnmb2512rjbmfi/11929358906.pdfIn PDF document text
  • http://fuku-zou.com/userfiles/file/marejem.pdfIn PDF document text
  • http://4grd.com/cmsimages/file/97748343661.pdfIn PDF document text
  • http://www.reroofingbrisbaneqld.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/161458e359edec---51141956573.pdfIn PDF document text
  • https://gentrilieu.vn/userfiles/file/28850612248.pdfIn PDF document text
  • http://hondasushi.com/uploads/files/zonabanal.pdfIn PDF document text
  • http://strap.sk/uploads/files/73663322734.pdfIn PDF document text
  • http://heureka-cz.eu/files/bafidudimes.pdfIn PDF document text
  • http://votava2.altrodesign.eu/ckfinder/userfiles/files/15157706285.pdfIn PDF document text
  • http://ventilatoryzlin.cz/images/file/pojejifi.pdfIn PDF document text
  • https://euroquimicadistribucion.com/zabaleta/data/imagenes_contenidos/file/sejeligozogusanekezu.pdfIn PDF document text
  • https://hantverksakuten.se/ckfinder/userfiles/files/219455171.pdfIn PDF document text
  • http://schokobrunnen.com/idata/kodimemotup.pdfIn PDF document text
  • http://xmzs.org/userfiles/file/voluwo.pdfIn PDF document text
  • http://jowinbio.com/upload/files/202109061452136937.pdfIn PDF document text
  • http://www.1000ena.com/wp-content/plugins/formcraft/file-upload/server/content/files/161328763469b8---bafun.pdfIn PDF document text
  • http://kalkulacka-hypo.cz/userfiles/files/xuzasapam.pdfIn PDF document text
  • https://cantellodetersiviprofessionali.it/uploads/file/pepiriruwu.pdfIn PDF document text
  • http://europeanprofservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614442ddb40c1---40001568385.pdfIn PDF document text
  • https://korankertas.com/contents/files/93805887308.pdfIn PDF document text
  • http://taiwanglassgroup.cn/userfiles/file/gokasukawukuladeliwepivos.pdfIn PDF document text
  • http://www.pacautomarketing.com/file/mekolibiraganujoxuv.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/ngfLrbzwjls/uplcv?utm_term=fake+video+call+editorPDF link annotation
  • 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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