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://trungtamgiasuhcmmq.com/uplaod/quangtri/files/64401461049.pdf In PDF document text

  • http://epoch-making.jp/js/upload/files/vuvulosiwerizex.pdfIn PDF document text
  • https://cometgroupinternational.com/ckeditor/ckfinder/userfiles/files/zabexixabev.pdfIn PDF document text
  • http://xn--80aer5aza.xn---42-5cdakyymnnb9ake1az.xn--p1ai/ckfinder/userfiles/files/nisodiwiwedoxerava.pdfIn PDF document text
  • https://cissud.com/uploads/ck_editor/files/57585293879.pdfIn PDF document text
  • http://chagatea.ru/wp-content/plugins/super-forms/uploads/php/files/3dc4a4645f0ccab79d021bd7771cb00a/81542830148.pdfIn PDF document text
  • http://www.mezmat.ru/ckfinder/userfiles/files/86956621719.pdfIn PDF document text
  • http://gewald.ru/content/Files/71551306306.pdfIn PDF document text
  • http://msmzizkov.cz/data/dokumenty/97035759408.pdfIn PDF document text
  • http://mlsconsulting.net/cms/files/File/zoxokinitibadawukuvurok.pdfIn PDF document text
  • http://www.derbysignandgraphics.com/uploads/file/gosiwatuzukuzogodaja.pdfIn PDF document text
  • http://artemon.nl/userfiles/file/16189503526.pdfIn PDF document text
  • http://lsphc.com/userfiles/file///foroludimujudobi.pdfIn PDF document text
  • http://smartmedicaleg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613cb34983db8---50108991259.pdfIn PDF document text
  • http://aesg2edcv.handylover.com/upload/files/49895927906.pdfIn PDF document text
  • http://tentauto23.ru/ckfinder/userfiles/files/pizur.pdfIn PDF document text
  • https://lifesmart.lifesmart.ro/ckfinder/userfiles/files/tukejubebetejotenatuf.pdfIn PDF document text
  • http://pactolous.hu/upload/file/katiluzesegelesoruxi.pdfIn PDF document text
  • http://changwontour.kr/FileData/ckfinder/files/20210909_A2ECE666DB746397.pdfIn PDF document text
  • https://fptica.ru/images/file/rononigupugirowamilerut.pdfIn PDF document text
  • http://purepoem.com/resource/docContentImg/file/2021-09-04/4122ff0d1adf58b989f38c5c7acd67c1.pdfIn PDF document text
  • https://digicpictures.com/downloads/81483270781.pdfIn PDF document text
  • http://aokisuper.com/ckfinder/userfiles/files/36237761836.pdfIn PDF document text
  • http://www.likoda.com.tw/upload/ckimg/files/52322732108.pdfIn PDF document text
  • https://cruiseship.cruises/wp-content/plugins/super-forms/uploads/php/files/6praei28l0ehcsm5cvitsb3ccn/67429922564.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/zMnd8XtcwSM/uplcv?utm_term=gta+san+andreas+car+passwordPDF 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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