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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://nomylo.ru/uplcv?utm_term=modern+control+systems+13th+edition+solution+manual+pdf PDF link annotation

  • http://lixupeng.com/uploads/files/53800207119.pdfIn PDF document text
  • https://carsen.sk/editor_uploads/system/files/xaruwobibekokiwibebuz.pdfIn PDF document text
  • http://rydelko.pl/userfiles/file/16414413427.pdfIn PDF document text
  • http://asalsold.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609f9149c24a7---14560129585.pdfIn PDF document text
  • https://unosms.us/userfiles/file/futamukebevimajosesobago.pdfIn PDF document text
  • http://autoscuolecasetta.it/userfiles/files/tugeren.pdfIn PDF document text
  • http://nlureunion.com/clients/33063/File/nabituke.pdfIn PDF document text
  • http://auchli-appenzeller.ch/userfiles/files/50550156627.pdfIn PDF document text
  • https://earthchartercities.org/wp-content/plugins/formcraft/file-upload/server/content/files/160ab6e21ea8db---14773381087.pdfIn PDF document text
  • http://bluebiz.kr/userData/board/file/16577486631.pdfIn PDF document text
  • http://ac-kenigsberg.ru/files/file/28389804314.pdfIn PDF document text
  • https://rosenstein.lu/userfiles/files/wovaxadisogikiporagubup.pdfIn PDF document text
  • http://www.laterveer-biesenbeek.nl/ckfinder/userfiles/files/87325798096.pdfIn PDF document text
  • https://www.guestquesttravelmedia.com/wp-content/plugins/super-forms/uploads/php/files/ib2en7ah2fo1g6b3m9rbu9ma1f/82025912155.pdfIn PDF document text
  • https://tourpon.kr/FileData/ckfinder/files/20210613_B1E6F03CA2FCFCE6.pdfIn PDF document text
  • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/1607e5c8e696a4---pidosasujadirosov.pdfIn PDF document text
  • http://erbilsunhotel.com/wp-content/plugins/super-forms/uploads/php/files/8u3ihl112laoro790pehgf5203/61165406991.pdfIn PDF document text
  • http://sad-azov.ru/wp-content/plugins/super-forms/uploads/php/files/65d9ea08d8dc0ca8a038748445071de0/robibuzo.pdfIn PDF document text
  • https://estidevelopers.com/wp-content/plugins/super-forms/uploads/php/files/befb5e06bd8d497632f2bd2456f7bb3b/91153291382.pdfIn PDF document text
  • http://gayaarchi.com/userfiles/file/20210605105244.pdfIn PDF document text
  • https://portsidestrategies.com/wp-content/plugins/super-forms/uploads/php/files/018a5c3d98d27299d9736a3fb3c4b776/talitagubijof.pdfIn PDF document text
  • https://hpx.com.ua/wp-content/plugins/super-forms/uploads/php/files/b71caba28a13f853121eb28568bc6610/68197884753.pdfIn PDF document text
  • https://wcdt.co.th/wp-content/plugins/super-forms/uploads/php/files/c0eqmnqong92fah8slh5bjqiq7/gerum.pdfIn PDF document text
  • http://mkbeauty.vn/luutru/files/pepogosepasumure.pdfIn PDF document text
  • http://foire-fromages-et-vins.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc6a55a78a7---vajurawuxuw.pdfIn PDF document text
  • https://calldidocta.com/wp-content/plugins/super-forms/uploads/php/files/f73dc668e88f9bb96d24ed46e4d42e7f/putanurexumenot.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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