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
• Password-protected archive handoff high SE_PASSWORD_ARCHIVE_LURE
  Document gives password instructions for an archive or attachment — often used to keep payloads encrypted until after gateway scanning
• 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.
• 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://laborke.ru/uplcv?utm_term=d+link+n300+wifi+extender+manual PDF link annotation

  • http://f-kcc.jp/user_data/userfiles/files/fopologuriredojap.pdfIn PDF document text
  • http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/8150042572.pdfIn PDF document text
  • https://rintrans.com/files/58164773703.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/voxanofajezemip.pdfIn PDF document text
  • http://droprint.my/home/ququ4923/public_html/userfiles/file/54258180716.pdfIn PDF document text
  • http://grappin-annat-como.com/userfiles/grappin-annat-como.com/file/80331450331.pdfIn PDF document text
  • https://sportsht.com/userfiles/file/niluripixebug.pdfIn PDF document text
  • https://wscnaturalhealings.com/wp-content/plugins/super-forms/uploads/php/files/2830b5fc8425f1cb5d30120d79c72aad/zimisijinoniguvebunob.pdfIn PDF document text
  • http://hvpeds.com/upload/contents/file/webid.pdfIn PDF document text
  • http://aire-limpio.com/img/editor/file/boritepipixutegake.pdfIn PDF document text
  • https://homeuu.biz/upload/ckeditor/pages//files/kifodulituruba.pdfIn PDF document text
  • http://www.haztartasigepszakuzlet.hu/pics/file/xofoxiduxiwuzuravog.pdfIn PDF document text
  • http://principessavencanice.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2bcb68391c---59991379197.pdfIn PDF document text
  • http://atlantichomeportugal.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f82cda114c8---dafiduvasareresojufu.pdfIn PDF document text
  • http://lavera.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609deb137e2e7---46415714633.pdfIn PDF document text
  • https://bahceneryaman.net/public/content-images/files/45182660840.pdfIn PDF document text
  • http://iberryhomemade.com/userfiles/files/wijirojiridonulewiv.pdfIn PDF document text
  • http://rsst77.ru/upload/files/91702925103.pdfIn PDF document text
  • https://limsurdua.com/contents/files/waxukevirekowerozukevit.pdfIn PDF document text
  • http://klaaswester.nl/img/file/patapu.pdfIn PDF document text
  • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/16075358c022fc---mevomutuketekebutujotumug.pdfIn PDF document text
  • https://patriot.ch/wp-content/plugins/super-forms/uploads/php/files/u88o2rkqj7pljqthvol8vqehcg/97429460165.pdfIn PDF document text
  • https://na-nule.ru/wp-content/plugins/super-forms/uploads/php/files/26k3uo8qmi4scdtcbhcg9pegg3/raxasesozetoj.pdfIn PDF document text
  • https://andymullinscommercial.com/home/andy/public_html/ckfinder/userfiles/files/kifetaz.pdfIn PDF document text
  • https://backcountryplayground.com/wp-content/plugins/super-forms/uploads/php/files/fcaaa254f3804c147991145aaf061461/bapum.pdfIn PDF document text
  • https://hotelritariccione.it/wp-content/plugins/formcraft/file-upload/server/content/files/16091b7b65873b---mubasubonowunigovis.pdfIn PDF document text
  • 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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