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 http://daisytalavera.com/userfiles/files/31948574894.pdf In PDF document text

  • https://chingchia.com/uploads/files/202109041106222420.pdfIn PDF document text
  • https://giorgiosantinelli.it/file/46387651757.pdfIn PDF document text
  • https://sindhuinvestment.com/ckfinder/userfiles/files/sijene.pdfIn PDF document text
  • http://analhospital.net/file/files/fazorenirepizasomam.pdfIn PDF document text
  • http://harasim.cz/uploaded/files/46541441648.pdfIn PDF document text
  • http://falconfam.com/ckfinder/userfiles/files/fajudazenebelak.pdfIn PDF document text
  • http://cnzhongkui.com/fckeditor/editor/filemanager/connectors/php/uploads/file/170805429068.pdfIn PDF document text
  • http://poongdung.com/FileData/ckfinder/files/20210910_B580ECB02D3691FF.pdfIn PDF document text
  • http://amandatour.ru/js/ckfinder/userfiles/files/49485579882.pdfIn PDF document text
  • https://heritagelogs.com/wp-content/plugins/super-forms/uploads/php/files/tvn1s2dp5jlu4ren65hp4rsqg6/32629059365.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143677c29e69---surilovufaguka.pdfIn PDF document text
  • http://xn--80akij1ajew.xn--p1ai/wp-content/plugins/formcraft/file-upload/server/content/files/1613d081a2749c---jobejefutanoxanibemixuzos.pdfIn PDF document text
  • http://www.lentilles-progressives.fr/wp-content/plugins/formcraft/file-upload/server/content/files/161494c68e44f8---33398379663.pdfIn PDF document text
  • http://kirakuramen.com/uploads/files/zazeditalup.pdfIn PDF document text
  • http://tandprotheses.com/ckfinder/userfiles/files/24820358409.pdfIn PDF document text
  • https://independentmusicleague.com/wp-content/plugins/super-forms/uploads/php/files/e6701b600d011d1f18210f76ba6d5fdc/kedugiwosojumubuxupozon.pdfIn PDF document text
  • http://vibrator4you.cz/UserFiles/File/foripevugusu.pdfIn PDF document text
  • https://popa.com.br/wp-content/plugins/super-forms/uploads/php/files/bdadb7d916e1529b6fbbfa9c01912212/xafexagivisubiju.pdfIn PDF document text
  • https://ip-kamera-rendszer.hu/ckfinder/userfiles/files/jagupabuvuvokarozurojogu.pdfIn PDF document text
  • https://stoneappeal.in/FCKeditor/file/xedubikivaxesogabapuduf.pdfIn PDF document text
  • http://yetisirkaucuk.com/firma/files/tanolupi.pdfIn PDF document text
  • http://polins.org/public/userfiles/file/34839406500.pdfIn PDF document text
  • https://albertoangel.sinecsas.com/ckfinder/userfiles/files/xutifulumusopiwo.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/1xuhb7AK25c/uplcv?utm_term=schaum%27s+outline+number+theory+pdfPDF link annotation
  • 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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