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://smidgel.ru/uplcv?utm_term=download+story+saver+apk PDF link annotation

  • http://fkm-lux.by/var/upload/file/funonavupiramarogutonax.pdfIn PDF document text
  • https://tourpon.kr/FileData/ckfinder/files/20210901_4C5218DB0F45C687.pdfIn PDF document text
  • http://garmaclima.com/uploads/ckfinder/files/34188506990.pdfIn PDF document text
  • http://incomingmakedonia.com/files/files/sokiwevejedekexes.pdfIn PDF document text
  • http://caogenzhiben.com/filespath/files/20210904120008.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/47f42d42a4266bb88ea7e010b51df584/zajujaxepapewinot.pdfIn PDF document text
  • http://unsersohn.com/images/file/gupafinevegonun.pdfIn PDF document text
  • http://sobateracota.ro/mm/file/21729853028.pdfIn PDF document text
  • https://partnyor.az/userfiles/file/giduna.pdfIn PDF document text
  • http://traktor-tv.de/sites/default/files/file/20074689995.pdfIn PDF document text
  • http://www.ponderosafestival.com/wp-content/plugins/formcraft/file-upload/server/content/files/16139505262e5f---texazizo.pdfIn PDF document text
  • http://bordahusfeldolgozo.hu/editor_up/fojufubalilanazovonev.pdfIn PDF document text
  • http://yuemeism.com/uploadfiles/files/sakunexetudalaf.pdfIn PDF document text
  • http://traktorpulling.de/ablage/userfiles/files/18311392539.pdfIn PDF document text
  • http://www.stsmcc.org/www/js/ckfinder/userfiles/files/kozemogumumeta.pdfIn PDF document text
  • https://choiceenergynetwork.com/wp-content/plugins/super-forms/uploads/php/files/2caab83231dcf7195704382ff88d27b9/7773846850.pdfIn PDF document text
  • http://hanshintech.net/data/file/pakujegix.pdfIn PDF document text
  • http://naoshima-tours.com/images/blog/file/11408349711.pdfIn PDF document text
  • https://faresaldabbous.com/uploads/file/9600564833.pdfIn PDF document text
  • http://wych123.com/upload/files/48859761765.pdfIn PDF document text
  • http://www.facyt.com.ar/ckfinder/userfiles/files/porufimapifotokuvelit.pdfIn PDF document text
  • http://tns-china.cn/editor_upload_image/file/nisosiwikinavo.pdfIn PDF document text
  • https://www.saenger-ohg.de/wp-content/plugins/formcraft/file-upload/server/content/files/16133c0b782034---93558843487.pdfIn PDF document text
  • http://4chan.ro/UserFiles/file/6606066538.pdfIn PDF document text
  • http://www.jindatunnel.com/up_files/file/97862697553.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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