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://medvor.ru/uplcv?utm_term=how+to+save+a+page+offline+in+chrome PDF link annotation

  • https://edusfera.pl/upload/file/wekok.pdfIn PDF document text
  • http://urs-certification.com/gais/image/file/74757686651.pdfIn PDF document text
  • http://cwesp.biz/upload/file/benikowinetusetuwomi.pdfIn PDF document text
  • http://elai.kz/upload/2021/09files/210908022742185846l27ja.pdfIn PDF document text
  • http://blow-w124.com/js/upload/files/24283639715.pdfIn PDF document text
  • http://www.tempshift.com/app/webroot/files/uploadimagesfile/16179208286.pdfIn PDF document text
  • http://jawarakreasi.com/file/linenigifexevutuvumegu.pdfIn PDF document text
  • http://anpharma.net/upload/files/taxanerogiz.pdfIn PDF document text
  • http://htk2.altrodesign.eu/ckfinder/userfiles/files/84642907989.pdfIn PDF document text
  • https://www.fmworks.com.tr/wp-content/plugins/super-forms/uploads/php/files/21d6etqfo4la0iv9upfd51aafh/82117749723.pdfIn PDF document text
  • http://idrogastermoclima.it/Utentifile/FCKPage/file/rezinetolajenatozakoxagi.pdfIn PDF document text
  • https://people11people.com/uploads/File/domarafirop.pdfIn PDF document text
  • https://strechybenesov.cz/content/nonudoxodurejunis.pdfIn PDF document text
  • http://ladyvenus.it/userfiles/files/78463934383.pdfIn PDF document text
  • https://alutat.com/data/file/lurilasemewe.pdfIn PDF document text
  • http://kalikraft.com/images/file/kupafugelodusokiwe.pdfIn PDF document text
  • https://agsposure.org/wp-content/plugins/super-forms/uploads/php/files/0d0505890a345d5c276260b8b463513e/44662002596.pdfIn PDF document text
  • http://ophtalmic-overnight.fr/wp-content/plugins/formcraft/file-upload/server/content/files/16136f8ecb7e70---veparozivod.pdfIn PDF document text
  • https://immo-macedo.lu/userfiles/files/87912092945.pdfIn PDF document text
  • http://serendipityorlando.com/wp-content/plugins/formcraft/file-upload/server/content/files/16143ef64060c2---judenutisu.pdfIn PDF document text
  • http://coverybox.box8websites.com/ckfinder/userfiles/files/xugemifugigek.pdfIn PDF document text
  • http://opuspoint.com/ckfinder/userfiles/files/piripizezesototi.pdfIn PDF document text
  • https://intekcanada.com/ckfinder/userfiles/files/dixupoxitarofunafuravinax.pdfIn PDF document text
  • https://alenakovalchuk.ru/wp-content/plugins/super-forms/uploads/php/files/e302bedd0dbf1194766c41017124624f/70078742854.pdfIn PDF document text
  • http://hodinovysoused.cz/upload/file/kuzokevilulizurabafa.pdfIn PDF document text
  • https://nothingbutsafetyglasses.com/userfiles/file/gusepujuvosuluxikozitete.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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