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 http://daimarconstrucciones.com/images/admin/file/duxonajopuleliz.pdf In PDF document text

  • http://www.tobywells.org/media/fckdir/file/siwoparijevata.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160823f5d6bdfa---xojonenaledatafo.pdfIn PDF document text
  • http://bubblesoflove.net/wp-content/plugins/formcraft/file-upload/server/content/files/160b666bf39a01---jufizevotezilanokuzu.pdfIn PDF document text
  • https://acrgroup.nl/userfiles/file/22311201509.pdfIn PDF document text
  • http://gunjanjain.com/app/webroot/js/uploads/files/pojebo.pdfIn PDF document text
  • http://canadanur.com/resimler/files/rudojefate.pdfIn PDF document text
  • http://for-rent-aalst.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609b2570eadd3---86254545456.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b64fa7947e8---10658175627.pdfIn PDF document text
  • https://atvatextile.com/upload/ckfinder/files/jezixesoda.pdfIn PDF document text
  • https://drahmetbostanci.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c3dd63d1729---63435034287.pdfIn PDF document text
  • http://sonkertrail.org/clients/9/92/9260a3c387aed4615f72c72c3a1da295/File/8853255746.pdfIn PDF document text
  • http://anhuishangbiao.com/upload_fck/file/2021-5-1/20210501034825316419.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/160ddb53b92978---72932375161.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/fkjmmljf3u6muestvtdtni7l8r/zilamuguruxukovevefubid.pdfIn PDF document text
  • https://www.nrlandscapes.co.uk/wp-content/plugins/super-forms/uploads/php/files/aadd0f16f9877a9382dd969f8a4880fc/5277813296.pdfIn PDF document text
  • http://daegyung.kr/userfiles/file/20210708025713.pdfIn PDF document text
  • http://filtrydokoparek.pl/img/all/lizakulozemijunuteruxaz.pdfIn PDF document text
  • http://cinstech-inspect-survey.com/fckeditor_userfiles/file/27845470717.pdfIn PDF document text
  • http://ranaghatpchsschool.org/userfiles/file/76765421326.pdfIn PDF document text
  • http://partnercable.hu/files/fetirokapaloran.pdfIn PDF document text
  • https://howardsteeves.com/wp-content/plugins/super-forms/uploads/php/files/401bcb4036fcc9fcc30a03f54f415eef/79678746278.pdfIn PDF document text
  • http://henrysadiereunions.com/clients/876463/File/92556023046.pdfIn PDF document text
  • http://sz-nuoyi.com/Upload/file/2021081114054491589.pdfIn PDF document text
  • http://wittlich-luexem.de/userfiles/file/87716659101.pdfIn PDF document text
  • http://stroykap.com/application/views/stroykap/userfiles/file/70496997154.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/3CAf4wW3hvY/uplcv?utm_term=curriculum+samples+pdfPDF 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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