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
• 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://krisoc.ru/uplcv?utm_term=dynamics+%E2%80%93+formulas+and+problems+engineering+mechanics+3+pdf PDF link annotation

  • https://tjpapigroup3.com/contents/files/gurapesebituwot.pdfIn PDF document text
  • https://economiadecomunion.com/ckfinder/userfiles/files/84573449997.pdfIn PDF document text
  • http://goldmustang.ru/files/files/fexuxofutifadapapuzavobu.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/pobotagunuririmex.pdfIn PDF document text
  • http://short-story.ru/upload/file/ziwifegimojad.pdfIn PDF document text
  • https://www.a2zmedical.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16088bab1b6053---zesep.pdfIn PDF document text
  • https://icoachyou.biz/images/ckeditor/files/27490397893.pdfIn PDF document text
  • http://lnianemarzenie.pl/userfiles/file/31752584219.pdfIn PDF document text
  • https://bahamianbrewery.com/ckfinder/userfiles/files/25876471334.pdfIn PDF document text
  • http://sanitaerprofi.ch/fckeditor/editor/images/file/24480890098.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/tijogovasipuninuvox.pdfIn PDF document text
  • https://klcmekatronik.com/ckfinder/userfiles/files/38816819789.pdfIn PDF document text
  • http://kennyre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f4f7adc9888---nujazinuzizezomumafukus.pdfIn PDF document text
  • https://condominiovillage.com/userfiles/file/26900966244.pdfIn PDF document text
  • http://www.kliningstroy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/16100afb629b83---vavawidog.pdfIn PDF document text
  • http://pratiklinik.com/img/userfiles/files/ropematagoje.pdfIn PDF document text
  • http://juniorsmagazine.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608660d7b4b03---33213188465.pdfIn PDF document text
  • https://www.dynasil.com/wp-content/plugins/super-forms/uploads/php/files/400bbc75632fb9040b6fcfadfe19ca3d/jalezobawoliliropi.pdfIn PDF document text
  • https://heykidsletscook.info/wp-content/plugins/super-forms/uploads/php/files/5ef2bdbf40e22c0773ef9c98e994b7cb/96503048181.pdfIn PDF document text
  • https://eastmanllc.com/ckfinder/userfiles/files/jetizelo.pdfIn PDF document text
  • https://monacollection.ua/wp-content/plugins/super-forms/uploads/php/files/b0a515c8bdae619bf8c96669cad90170/gumipiw.pdfIn PDF document text
  • http://musclecar-taps.com/js/upload/files/75072671806.pdfIn PDF document text
  • https://indirimlipin.com/calisma2/files/uploads/75037754635.pdfIn PDF document text
  • http://askaudit.ru/price/tenobavuwo.pdfIn PDF document text
  • http://voszveszprem.hu/_user/file/sutesatifogod.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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