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
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://cserepakcio.hu/xdata/file/rejip.pdf In PDF document text

  • http://www.onegelha.com/wp-content/plugins/super-forms/uploads/php/files/36d6eec63759ff01a539db32597848b4/nixejuwuge.pdfIn PDF document text
  • http://wadirumshootingstars.com/userfiles/file///66326819779.pdfIn PDF document text
  • http://bananamusic.tw/uploads/files/202108300044223843.pdfIn PDF document text
  • http://www.trimbleexpress.sk/wp-content/plugins/formcraft/file-upload/server/content/files/1608c703ab3920---55257264519.pdfIn PDF document text
  • http://eia-edu.com/userfiles/file/62453370678.pdfIn PDF document text
  • http://www.blackhillsdancecentre.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b0ed8a19b29---tepupupug.pdfIn PDF document text
  • https://broadstripe.com/wp-content/plugins/super-forms/uploads/php/files/f5fb9353d7c1d929109559897e67c8ca/80150417467.pdfIn PDF document text
  • http://bydnjl.com/userfiles/files/rinodiwigagepe.pdfIn PDF document text
  • http://ok-poland.com/userfiles/file/dinoviranusuga.pdfIn PDF document text
  • http://ajarnveerapong.com/UserFiles/file/wijawebulini.pdfIn PDF document text
  • https://prikolnaya.com/wp-content/plugins/super-forms/uploads/php/files/d24ed2b117eefde89062e14cf5a831c6/15341001389.pdfIn PDF document text
  • http://np-laser.com/upload_fck/file/2021-8-5/20210805215524839775.pdfIn PDF document text
  • https://electroagro.es/pub/files/76523767118.pdfIn PDF document text
  • http://biznesfishki.ru/files/userfiles/files/relanikutofukakawam.pdfIn PDF document text
  • https://www.ideaklinikbakirkoy.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a0d92159c71---26732365218.pdfIn PDF document text
  • https://kimcert.org/E/file/sitijuvudasobikivibanu.pdfIn PDF document text
  • https://elitestrategyglobal.com/wp-content/plugins/super-forms/uploads/php/files/31efd8c676332fba58bbe8ca447a3e55/doluxofujovezumogaxomus.pdfIn PDF document text
  • https://www.inkfactory.pk/wp-content/plugins/formcraft/file-upload/server/content/files/160986eef88aee---44635294280.pdfIn PDF document text
  • http://kimyasaldubeller.com/upload/ckfinder/files/vinavexezoxomopokejav.pdfIn PDF document text
  • http://antik-cafe-bergen.de/wp-content/plugins/formcraft/file-upload/server/content/files/1607776eee1c99---rawopivewefajot.pdfIn PDF document text
  • https://anctools.com/ckfinder/userfiles/files/zekinigujovotadif.pdfIn PDF document text
  • http://www.fattyweng.com.sg/wp-content/plugins/formcraft/file-upload/server/content/files/16089b38144664---dibeguvuwuwe.pdfIn PDF document text
  • http://vietsinphar.com/uploads/files/bimigevogexopuzosu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=kenya+secondary+school+leaving+certificate+pdf+downloadPDF link annotation
  • https://bxthirteen.wpengine.com/wp-content/plugins/super-forms/uploads/php/files/9ca139b7410e13eb21bc85e891178d11/robebubafijo.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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