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 https://vietfun.com.vn/wp-content/plugins/super-forms/uploads/php/files/vcm91cae39dklj9kqtfd525uon/59009138875.pdf In PDF document text

  • https://aspirecambodia-edu.org/userfiles/file/rifejowezalados.pdfIn PDF document text
  • http://bikaji.zohukum.com/ckfinder/userfiles/files/75391133052.pdfIn PDF document text
  • https://smartbrand.ro/mm/file/53916421441.pdfIn PDF document text
  • http://footstepfloor.com/upfiles/files/71713077836.pdfIn PDF document text
  • https://stradatextiles.com/upload/ckfinder/files/52443288390.pdfIn PDF document text
  • https://hopefor.today/wp-content/plugins/super-forms/uploads/php/files/088f9877ba94c967e3490e75b4b55053/wabefugosoda.pdfIn PDF document text
  • http://stuarteisbrucklaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/33735440027.pdfIn PDF document text
  • https://aqua2go.pl/galeria/file/58908355029.pdfIn PDF document text
  • http://www.artefuoricentro.it/js/lib/ckfinder/userfiles/files/fakilekagod.pdfIn PDF document text
  • http://www.kroonzuivel.nl/ckfinder/userfiles/files/kalujixepedajawajapapun.pdfIn PDF document text
  • http://thamcohoaian.com/webroot/img/files/41681723996.pdfIn PDF document text
  • http://ilsungwarehouse.com/userData/ebizro_board/file/74213445155.pdfIn PDF document text
  • https://rubyyadav.com/nbloom/fckuploads/file/41386600567.pdfIn PDF document text
  • http://strahyi.ru/images/file/92017626503.pdfIn PDF document text
  • http://timnhanhonline.vn/upload/files/zekiboligegek.pdfIn PDF document text
  • http://runwellconsulting.com/file/file/29146453421.pdfIn PDF document text
  • http://videlec.be/ressource/file/42312731219.pdfIn PDF document text
  • https://trisyscom.com/userfiles/file/84159733176.pdfIn PDF document text
  • http://delfosventures.eu/userfiles/files/kerapimubenikunorabip.pdfIn PDF document text
  • https://mmeasar.com/mmeasarfiles/file/kitagukukakigebopi.pdfIn PDF document text
  • https://www.luthier-auxerre.fr/ckfinder/userfiles/files/70449279216.pdfIn PDF document text
  • http://fatimaartwork.com/userfiles/file/xegatipewo.pdfIn PDF document text
  • https://systematix.pl/userfiles/file/98828015234.pdfIn PDF document text
  • https://popcouncilinstitute.org/wp-content/plugins/super-forms/uploads/php/files/780058036fda5d31054502ebd38ae8be/jajonula.pdfIn PDF document text
  • http://feedproxy.google.com/~r/MbOu/~3/HTGXzuRVGb4/uplcv?utm_term=hinch+yourself+happy+free+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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