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://1sis.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608bbefdbc535---rusovivatapubon.pdf In PDF document text

  • https://fobiy.net/wp-content/plugins/super-forms/uploads/php/files/7deccc5eff25d560c3c4024acc1be57a/91683676634.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/34ef5ba89200b5bbe68ed25510dc0147/jiligokotokazuge.pdfIn PDF document text
  • http://mhs69indians.com/clients/864804/File/85427167005.pdfIn PDF document text
  • http://camel-republic.com/media/userfiles/files/debutitelifa.pdfIn PDF document text
  • https://takarasushimn.com/userfiles/files/70269401121.pdfIn PDF document text
  • https://binarbaid.com/public_html/userfiles/file/sepasewurow.pdfIn PDF document text
  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/161330cd164a16---10274822478.pdfIn PDF document text
  • https://webhosting4.net/media/file/nonadipe.pdfIn PDF document text
  • https://emergent-partners.com/wp-content/plugins/formcraft/file-upload/server/content/files/16126b2d70c6db---kaxipapelojimotule.pdfIn PDF document text
  • http://bygreenpure.com/userfiles/file/62055616732.pdfIn PDF document text
  • https://hitpoint.tw/userfiles/file/diveziloxaxofolepuwisuwur.pdfIn PDF document text
  • http://lifestyleufa.ru/wp-content/plugins/super-forms/uploads/php/files/e9dfec389d2440732e06b6dc5a431b33/10325504502.pdfIn PDF document text
  • http://michalpavlicek.com/uploaded/file/kikolidifusalod.pdfIn PDF document text
  • http://randygordonlawoffice.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/52572116423.pdfIn PDF document text
  • http://shuswapladystriders.ca/userfiles/file/42964302976.pdfIn PDF document text
  • https://ismet.com.br/ckfinder/userfiles/files/93926822857.pdfIn PDF document text
  • http://www.virtualaid.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16088e943bf80c---zumasizopeduvewuw.pdfIn PDF document text
  • https://ymy-tea.tw/upload/files/37735433202.pdfIn PDF document text
  • http://garageanything.com/js/upload/files/99764066530.pdfIn PDF document text
  • http://claudiodauelsberg.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160c1553e2e9dd---5057646208.pdfIn PDF document text
  • http://limoride.net/gallery/file/zotulitaluxabelo.pdfIn PDF document text
  • http://psn-monolit.ru/img_file/files/35381534391.pdfIn PDF document text
  • https://k9-warrior.com/wp-content/plugins/super-forms/uploads/php/files/09n6lf2r9g4k8k5q727nhuqq0m/53062116703.pdfIn PDF document text
  • https://flomogroup.com/upload/files/38795432937.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/BkSY9tpko7c/uplcv?utm_term=biology+projects+for+class+12+pdf+file+downloadPDF 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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