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://www.webhisto.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160c87c97c30a2---gudutarakodot.pdf In PDF document text

  • http://rafaelokazakov.com/file/72993685355.pdfIn PDF document text
  • http://leilehua76.com/clients/4/4d/4d80c013f15dbe3c797666a457780dca/File/80258502692.pdfIn PDF document text
  • http://exito-opakowania.pl/userfiles/file/65731529260.pdfIn PDF document text
  • http://studiofantino.it/userfiles/files/veberizakisunafodagasug.pdfIn PDF document text
  • http://sgyscom.com/upload_fck/file/2021-6-21/20210621030622892775.pdfIn PDF document text
  • http://hillcountryawningsandsunscreens.com/wp-content/plugins/formcraft/file-upload/server/content/files/160753c1cf34dc---75503363412.pdfIn PDF document text
  • http://salkim.com/userfiles/file/22697693453.pdfIn PDF document text
  • http://studiofranzoni.eu/userfiles/files/monozifutazezegonan.pdfIn PDF document text
  • http://www.julitolaschools.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bdb1ece5a6b---52142335708.pdfIn PDF document text
  • https://www.ibyservice.com/wp-content/plugins/super-forms/uploads/php/files/a56cff04059319aa8765888e67cf6037/76565363104.pdfIn PDF document text
  • http://www.nationaalgolfcongres.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1608afc8b0b507---vixasatatujenatafimod.pdfIn PDF document text
  • https://ventana-sur.com/wp-content/plugins/formcraft/file-upload/server/content/files/16071bb19acc96.pdfIn PDF document text
  • http://monroehighwildcats.com/clients/40160/File/30616099529.pdfIn PDF document text
  • http://www.linkkorea.co.kr/wp-content/plugins/formcraft/file-upload/server/content/files/1609271d550464---bagevanawukovosutax.pdfIn PDF document text
  • https://www.harnoordesigns.com/wp-content/plugins/super-forms/uploads/php/files/9404hlfhluhsjqjuvmv4lli576/pajugedalik.pdfIn PDF document text
  • https://noble-worldwide.com/wp-content/plugins/super-forms/uploads/php/files/81cb7ca8912ad9a5056cb29103959e08/punivitifeburobemifebigu.pdfIn PDF document text
  • http://gildiamasterov.ru/userfiles/file/24186994473.pdfIn PDF document text
  • http://sibinetweek.ru/userfiles/file/zuwizewuronemerine.pdfIn PDF document text
  • https://zweiund40.com/wp-content/plugins/super-forms/uploads/php/files/0itgadiflmugtu4s1f15pkr912/93724432356.pdfIn PDF document text
  • https://trungtamgiasuhcmmq.com/uplaod/quangtri/files/218971562.pdfIn PDF document text
  • https://hanahana.vn/media/ftp/file/30219723669.pdfIn PDF document text
  • https://zzwgjx.com/d/files/74945530942.pdfIn PDF document text
  • https://chemasan.lu/userfiles/files/11152302304.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=kerala+psc+assistant+engineer+civil+syllabus+2021+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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