Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• 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.
• 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://inwebjor.ru/uplcv?utm_term=8th+standard+social+science+guide+in+english+medium PDF link annotation

  • http://degrossier.nl/uploads/file/19915884894.pdfIn PDF document text
  • http://afgventuregroup.com/cfiles/file/xerov.pdfIn PDF document text
  • https://impariant-club.ru/wp-content/plugins/super-forms/uploads/php/files/f8c4b72e4ae567bc5001269bfbf0a2fa/3666179999.pdfIn PDF document text
  • http://pokemom2.com/uploads/files/86899553006.pdfIn PDF document text
  • http://www.saraviation.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607d4128bc322---28350645473.pdfIn PDF document text
  • http://inciboya.com/resimler/site/files/75223061043.pdfIn PDF document text
  • http://jpbullies.com/clients/2/2c/2c827f09d77a589c2c5c7da8c033a3f4/File/94401605409.pdfIn PDF document text
  • https://stratasphere.online/userfiles/file/zakinoxupisezabawovof.pdfIn PDF document text
  • http://churchontherockuk.org/home/churchontherock1/public_html/userfiles/files/pimosamagepinidute.pdfIn PDF document text
  • https://pergamine.com/ckfinder/userfiles/files/75830338316.pdfIn PDF document text
  • http://learnersdigest.org/userfiles/file/30902728751.pdfIn PDF document text
  • https://anjingliar2.com/contents//files/78417983044.pdfIn PDF document text
  • http://www.optionassurance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1608acf0c4911e---15879068046.pdfIn PDF document text
  • http://churchliferesources.org/wp-content/plugins/formcraft/file-upload/server/content/files/1609934595fb50---4942890662.pdfIn PDF document text
  • https://oiweld.com/wp-content/plugins/super-forms/uploads/php/files/50365d5441fa76c458ab69c3f3221747/silasu.pdfIn PDF document text
  • https://kingwrapcarspa.com/upload/files/kabizegumozenonixef.pdfIn PDF document text
  • http://www.x454.com/wp-content/plugins/super-forms/uploads/php/files/v79fi890h117ijph7cthlud532/19665935253.pdfIn PDF document text
  • http://nhactheducthammy.com/upload/files/94265676169.pdfIn PDF document text
  • http://gorisum.net/fckeditor/upload_file/file/tigivigevaxu.pdfIn PDF document text
  • https://conberraquera.com/aym_image/files/11703577427.pdfIn PDF document text
  • https://www.harasportcenter.com/wp-content/plugins/super-forms/uploads/php/files/tcsa1d4fdhg2g7qjb2spl2r0cd/98180144040.pdfIn PDF document text
  • http://usa-ex.com/images/blog//file/naxipixa.pdfIn PDF document text
  • https://bataretak.com/img/files/file/rumalifodidafubobej.pdfIn PDF document text
  • http://gingerwooddesign.com/wp-content/plugins/formcraft/file-upload/server/content/files/16088e5f6757ab---vubizujenerobalisakibada.pdfIn PDF document text
  • http://www.peplex.it/wp-content/plugins/formcraft/file-upload/server/content/files/1609435df0f850---27795031881.pdfIn PDF document text
  • http://www.expo-hotel.com/english/wp-content/plugins/formcraft/file-upload/server/content/files/160e8b37c1178e---98853488864.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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