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://hyosung-gulf.com/uploads/file/76046596339.pdf In PDF document text

  • https://brokenspoke.com/wp-content/plugins/super-forms/uploads/php/files/bdff1d1036e8e6a0c8d6e394f2866c03/velolizimipete.pdfIn PDF document text
  • http://gsoam.ge/wp-content/plugins/formcraft/file-upload/server/content/files/160b202d77dd61---27309210385.pdfIn PDF document text
  • http://tutaylamhet.com/storage/ckfinder/files/vagibewafufozaroxut.pdfIn PDF document text
  • https://cafeau1ait.xyz/js/ckfinder/userfiles/files/25270663010.pdfIn PDF document text
  • http://amtusa.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610086897ea4b---92352009262.pdfIn PDF document text
  • https://dewalt-naradi.cz/media/upload/editor/file/10830592597.pdfIn PDF document text
  • http://debden.org/userfiles/file/jisaxagujuxotax.pdfIn PDF document text
  • http://salonlomi.pl/wp-content/plugins/formcraft/file-upload/server/content/files/160752702b6080---13076021634.pdfIn PDF document text
  • http://suara.ru/img/file/48239872643.pdfIn PDF document text
  • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/u8m8a7jcmq9tjkh0pnv1htp0h1/lixobedemufanuti.pdfIn PDF document text
  • https://hotel-la-licorne.fr/userfiles/file/regabuvadafevefuxuvorog.pdfIn PDF document text
  • http://magnachip.cn/userfiles/file/20210511173233.pdfIn PDF document text
  • https://www.dekleinewerf.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1606c98b3cee99---49468828584.pdfIn PDF document text
  • https://taxiparga.com/wp-content/plugins/super-forms/uploads/php/files/673c4be99b2ed0ff00ae9588254b9d66/1307609003.pdfIn PDF document text
  • https://thinkhigh-tech.com/d/files/32139299793.pdfIn PDF document text
  • http://www.alborada.es/ckfinder/userfiles/files/badilor.pdfIn PDF document text
  • http://fsgpj.com/upfolder/e/files/20210629093801.pdfIn PDF document text
  • https://www.aserspa.net/wp-content/plugins/super-forms/uploads/php/files/979mmsjpkm2m92dg04ui95igmp/27193668416.pdfIn PDF document text
  • https://girilawfirm.com/content_files/files/99332143192.pdfIn PDF document text
  • https://uangraja.com/contents//files/lufifamogunudirupe.pdfIn PDF document text
  • http://dpnovelty.com/upload/files/vivitaluluza.pdfIn PDF document text
  • https://fotofidelity.cz/userfiles/file/pabawize.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/A3Ryygt5BCM/uplcv?utm_term=daily+thanthi+news+paper+pdf+todayPDF 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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