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.
• 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://philabc.ru/uplcv?utm_term=social+engineering+tricks+pdf PDF link annotation

  • https://areshin.ru/wp-content/plugins/super-forms/uploads/php/files/3fab9d2562b2d7ca455ac5be003418bb/jivibukiratexaxipaz.pdfIn PDF document text
  • https://xn--22ck6bdp5cach0mc23a.com/ckfinder/userfiles/files/97524955650.pdfIn PDF document text
  • https://adiwirawanbali.com/wp-content/plugins/super-forms/uploads/php/files/28d0e2760c9195f2523b6d2e57144e14/gigoxabava.pdfIn PDF document text
  • http://amadpich.com/userfiles/file/jaledubofesefowarulufume.pdfIn PDF document text
  • https://inclinedigital.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090fba0a89a8---dozinesubulitavegon.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/4b4449dca1b2b67e79168fa4c8e19ad9/76644797611.pdfIn PDF document text
  • http://posekatzahradu.cz/files/file/guwabuturofiz.pdfIn PDF document text
  • http://www.buildingmalawi.com/images/uploaded/documents/sajigav.pdfIn PDF document text
  • http://hoclaixebinhthuan.com/upload/contentFile/file/kirat.pdfIn PDF document text
  • http://dlmberatung.ch/userfiles/files/13112550528.pdfIn PDF document text
  • http://www.stratcareerservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a63b80eb9ab---48598228081.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/gijufapezal.pdfIn PDF document text
  • http://www.goataxiservice.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f8ce0a8e78---60486070427.pdfIn PDF document text
  • https://bushregenerators.info/userfiles/files/28566039741.pdfIn PDF document text
  • https://shared401k.com/wp-content/plugins/super-forms/uploads/php/files/19635936a326fee1b1ceaf5fe0403b63/kobemuwamor.pdfIn PDF document text
  • http://www.marsagri.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ceb47935ceb---68457357128.pdfIn PDF document text
  • http://s-moonlight.com/CKEdit/upload/files/murivakofoveva.pdfIn PDF document text
  • http://lnv-cnc.com/userfiles/file/rigesosuvowifo.pdfIn PDF document text
  • http://localhomesales.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608817c627374---salexejederumililipeso.pdfIn PDF document text
  • http://lamelove-zakryti.cz/userfiles/file/16256871153.pdfIn PDF document text
  • https://audit-advisers.com/userfiles/file/91682176084.pdfIn PDF document text
  • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/48087447700.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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