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.
• QR-code redirect lure medium SE_QR_LURE
  Document instructs the user to scan a QR code with a phone — consistent with QR phishing, but also common in legitimate documents
• 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://garglob.ru/uplcv?utm_term=transfer+all+files+from+android+to+pc PDF link annotation

  • http://khocabien.com/uploads/files/zovipixupig.pdfIn PDF document text
  • http://mskgroup-spb.ru/upload/file/darowumetizix.pdfIn PDF document text
  • http://totalfinance.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613c5164abe1c---16725649677.pdfIn PDF document text
  • https://www.almuhja.com/ckfinder/userfiles/files/61331681838.pdfIn PDF document text
  • http://acsalma.hu/userfiles/files/mitigiribekavalumovutul.pdfIn PDF document text
  • http://vigen12.com/userfiles/file/surevejexetezedidibupegu.pdfIn PDF document text
  • https://edouardweil.com/userfiles/file/98482764023.pdfIn PDF document text
  • http://cameronhaddock.com/wp-content/plugins/formcraft/file-upload/server/content/files/16138bb91cd32b---99219976119.pdfIn PDF document text
  • https://lazerom.pro/media/file/sorebiwa.pdfIn PDF document text
  • https://okud-istra.hr/userfiles/file/17001568455.pdfIn PDF document text
  • http://lor-rostov.su/userfiles/files/susuvunogujupevamuvolu.pdfIn PDF document text
  • http://www.mvdisposal.com/wp-content/plugins/formcraft/file-upload/server/content/files/1613a05c92a004---26531298337.pdfIn PDF document text
  • http://perechen-izdaniy.ru/js/ckfinder/userfiles/files/43067934209.pdfIn PDF document text
  • https://ctcitsupport.com/media/files/71282585492.pdfIn PDF document text
  • http://lammermoor.net/imagenes/file/45612004.pdfIn PDF document text
  • https://kaemsp.org/upload/editor/file/xejukakiwixukovaret.pdfIn PDF document text
  • https://thefertilizerproductionline.com/d/files/90092401513.pdfIn PDF document text
  • https://edusfera.pl/upload/file/29822055847.pdfIn PDF document text
  • https://360clothing.indicsys.com/home/www360cl/public_html/uploads/images/files/nukujes.pdfIn PDF document text
  • https://expobar.vn/app/webroot/files/images/pages/files/87601146452.pdfIn PDF document text
  • http://www.patricktennis.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1613ba7b349771---17627128286.pdfIn PDF document text
  • http://fc-junajted.com/upload/datoteke/laluj.pdfIn PDF document text
  • http://chemonova.com/FCKeditor/file/53833757810.pdfIn PDF document text
  • http://promocode.lu/userfiles/files/19413145690.pdfIn PDF document text
  • http://gk-eventus.ru/admin/ckfinder/userfiles/files/12894698617.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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