Malicious PDF — malware analysis report

Heuristics 8

• 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.
• 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://petribax.nl/userfiles/file/dimumuzeremepuga.pdf In PDF document text

  • http://makeyourpartnermelt.com/userfiles/file/kijinurezadewaserisud.pdfIn PDF document text
  • https://lockerova.eu/admin/upload/documents/fixoziwanezokof.pdfIn PDF document text
  • https://www.accidentinjuryalbuquerque.com/wp-content/plugins/super-forms/uploads/php/files/u2c18i7mjveptp9m0qroqcif19/mifelupiponewepusesata.pdfIn PDF document text
  • http://trovas.com/userimages/roxurojalogab.pdfIn PDF document text
  • http://clickvay.com/upload/files/nolimidegumok.pdfIn PDF document text
  • http://balalajka.nu/media/zegutigizitugejudelopo.pdfIn PDF document text
  • http://konberdbio.com/upload/files/jikox.pdfIn PDF document text
  • https://teplitsyoptom.ru/wp-content/plugins/super-forms/uploads/php/files/91f4d9b41d11c887c473dca8b40dda88/48056255117.pdfIn PDF document text
  • https://techielingo.com/fck_uploads/files/difirinazuxosowu.pdfIn PDF document text
  • http://caythuocdangian.net/images/files/77320368962.pdfIn PDF document text
  • https://shreenathtechnologies.com/userfiles/file/31355418201.pdfIn PDF document text
  • http://albertf.madteam.net/ckfinder/userfiles/files/33226199186.pdfIn PDF document text
  • https://economiadecomunion.net/ckfinder/userfiles/files/96139677280.pdfIn PDF document text
  • http://byecook.com/ckupload/files/94609366898.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/161378e305ea54---25685727764.pdfIn PDF document text
  • http://myatkinsonfamily.com/userimages/90763356596.pdfIn PDF document text
  • https://contemporaryteas.in/admin/uploads/file/dumerejerikatamujuvagaz.pdfIn PDF document text
  • http://www.korayozelguvenlik.com/wp-content/plugins/formcraft/file-upload/server/content/files/161382e3a799c6---beliwalaxufa.pdfIn PDF document text
  • http://christopherspubandgrille.com/userfiles/files/jozuvezusunijivajuvimavi.pdfIn PDF document text
  • http://sasmedm.com/www/js/ckfinder/userfiles/files/60128622633.pdfIn PDF document text
  • https://palezieux.com/ckfinder/userfiles/files/10747210292.pdfIn PDF document text
  • http://ourconn.com/userfiles/file/202109040639329766.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/FevRqgeaUVY/uplcv?utm_term=short+textbook+of+medical+microbiology+for+nurses+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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