Malicious PDF — malware analysis report

Heuristics 6

• 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.
• 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://synerhu.ru/uplcv?utm_term=hcr2+chinese+version+download PDF link annotation

  • https://rotitelor.com/contents/files/pebusemovena.pdfIn PDF document text
  • http://dylogistics.com/userData/board/file/dadipalikalogigozanujojiw.pdfIn PDF document text
  • http://domkomplekt34.ru/attachments/file/gugojolut.pdfIn PDF document text
  • http://captainkillmite.com/uploads/files/202109090431415240.pdfIn PDF document text
  • http://xn--2-7sbddqrtdw3be6jua.xn--p1ai/userfiles/file/61497516961.pdfIn PDF document text
  • http://www.nisbd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138a032ddc68---gopuwabapiwatimipivipisib.pdfIn PDF document text
  • https://ever-progress.dacola.com/upload/files/lesozalos.pdfIn PDF document text
  • http://sanraimundo.cl/dyn/uploads/file/rivigifikalumajotaz.pdfIn PDF document text
  • http://victorylimo1.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139720dd046d---55401778945.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/83778978021.pdfIn PDF document text
  • http://www.ktgroup.co.uk/ckfinder/userfiles/files/7996092385.pdfIn PDF document text
  • http://www.191seo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16140a4695b4e6---vivapirusopixi.pdfIn PDF document text
  • http://awarelaxcentrum.cz/user_files/file/75719874440.pdfIn PDF document text
  • https://oknoplus-omsk.ru/wp-content/plugins/super-forms/uploads/php/files/0bccc658ab51a343f67d6508fb6a46b6/3806036043.pdfIn PDF document text
  • http://panda-es.tokyo/yamituki-n/uploads/files/sifagomev.pdfIn PDF document text
  • http://www.marcelasemper.com/wp-content/plugins/formcraft/file-upload/server/content/files/1612ecd662c928---wipenu.pdfIn PDF document text
  • http://hoteldanang.vn/uploads/images/files/lujokolireterivetazov.pdfIn PDF document text
  • http://dabien.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1612ece90c208d---loxufogitivi.pdfIn PDF document text
  • http://alphanaturehk.com/userfiles/file/wodexijelodaresanisosubew.pdfIn PDF document text
  • https://dom4m.lv/userfiles/files/medigaronelo.pdfIn PDF document text
  • https://frontiermyanmar.com/sites/all/libraries/ckfinder/userfiles/files/7425436574.pdfIn PDF document text
  • http://www.mtpartnersfl.com/wp-content/plugins/formcraft/file-upload/server/content/files/161485871b2343---84478691783.pdfIn PDF document text
  • http://retailcop.ca/files/31292933727.pdfIn PDF document text
  • http://bargiel.com.pl/ckfinder/userfiles/files/pudigew.pdfIn PDF document text
  • http://doudou.tw/userfiles/files/bukovaxavupe.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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