Malicious PDF — malware analysis report

Heuristics 8

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Malformed active-content stream length medium PDF_MALFORMED_EXPLOIT_STREAM_LENGTH
  A PDF stream that carries active/exploit-looking content has a declared /Length that does not match the recovered stream body. Malformed stream boundaries and length mismatches are common parser-evasion/supporting evidence around Reader exploit streams.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://vietnaminsight.biz/ckfinder/userfiles/files/jukiturawudoputimelepode.pdf In PDF document text

  • http://yasairamenbar.com/uploads/files/situpebonulogizejuvi.pdfIn PDF document text
  • http://puginternational.com/ckfinder/userfiles/files/menunuvudibebexagatanev.pdfIn PDF document text
  • http://premiumresourcing.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613c4081bd378---xagilad.pdfIn PDF document text
  • http://www.novosib-sport.ru/ckfinder/userfiles/files/zugodefamun.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613edb548e1c1---39621880345.pdfIn PDF document text
  • https://hoavily.com/uploads/files/3954389462.pdfIn PDF document text
  • https://360clothing.in/home/www360cl/public_html/uploads/images/files/kikidigakixijokepi.pdfIn PDF document text
  • https://shrmivirtual.org/wp-content/plugins/super-forms/uploads/php/files/d46e9dd6e7c7b50a9231d96bf4ed80e1/33042792337.pdfIn PDF document text
  • http://nhasachnguyenvancu.com/Images_upload/files/bikaxixu.pdfIn PDF document text
  • http://srihemkuntschoolint.com/slbdavbatala/userfiles/file/88824867903.pdfIn PDF document text
  • https://btsmstlucia.com/atomicsteps/upload/userfiles/file/buwepilumopefika.pdfIn PDF document text
  • http://holdemigny.fr/ckfinder/userfiles/files/30451097487.pdfIn PDF document text
  • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/c9d457fbf4a2ec889d61d0dc97995854/zepilawelibemafe.pdfIn PDF document text
  • https://fnb-concepts.com/images/uploads/files/64384407658.pdfIn PDF document text
  • https://www.nvsrolko.org/ckfinder/userfiles/files/17965459294.pdfIn PDF document text
  • https://cncostruzioni.com/userfiles/file/noguta.pdfIn PDF document text
  • http://whipitleather.com/userfiles/file/tizakolikez.pdfIn PDF document text
  • http://myucmas.com/userfiles/file/suwapelimotapalumizuw.pdfIn PDF document text
  • https://comillaspostgrado.es/userfiles/file/kakowexuk.pdfIn PDF document text
  • http://80tner.netsociality.com/upload/files/tulilorusixixig.pdfIn PDF document text
  • http://youngthisyear.com/ckfinder/userfiles/files/32752500251.pdfIn PDF document text
  • http://www.neoneophytou.com/ckfinder/userfiles/files/fevakefivorogi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=ivide+malayalam+movie+dvdrip+downloadPDF 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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