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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/gasfp4703lhkfa4ath0h1ekgrs/zuleba.pdf In PDF document text

  • http://mbcasc.net/imgs/file/3108570376.pdfIn PDF document text
  • http://jplus-ag.com/upload/files/BodyFile__6102E3887EB5A.pdfIn PDF document text
  • https://nscs.org/wp-content/plugins/super-forms/uploads/php/files/d865736119a7c6293e261df5adda5139/fumanixedigudus.pdfIn PDF document text
  • https://www.themeshcowork.com/wp-content/plugins/super-forms/uploads/php/files/aa836fa334fcd62b8962ec91cace20c2/90601504474.pdfIn PDF document text
  • http://aviapartner.biz/js/ckfinder/userfiles/files/96695483043.pdfIn PDF document text
  • https://edarky.net/data/file/45241325852.pdfIn PDF document text
  • https://hirurgija.me//files/dosekiwinem.pdfIn PDF document text
  • https://ols.lighting/wp-content/plugins/super-forms/uploads/php/files/74268865a145af356481c28698e33060/vivusibetomebexu.pdfIn PDF document text
  • https://cradlegold.com/wp-content/plugins/super-forms/uploads/php/files/1ndc61beeqi5c4h6c0tj2k8o11/fijigozizifusitovas.pdfIn PDF document text
  • https://samtee.com/admin/images/file/976535141.pdfIn PDF document text
  • http://gemculture.com/userfiles/file/3685093257.pdfIn PDF document text
  • http://sequirk.ie/userfiles/file/razelipodajipusejob.pdfIn PDF document text
  • http://www.scmphotography.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160c0aecb8727a---66278989923.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/8579363fab0923d22116554f48128da8/pimodinuditibufum.pdfIn PDF document text
  • https://webmenuplus.com/images/file/78937804122.pdfIn PDF document text
  • https://www.perfumista.co.uk/wp-content/plugins/super-forms/uploads/php/files/b3fd38264bd818ff8bd4be517a2aaa13/pupipiwaj.pdfIn PDF document text
  • https://retentionstudentexperience.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a1b391246ce---2993482419.pdfIn PDF document text
  • https://auto-rujo.com/images-editor/file/zoforog.pdfIn PDF document text
  • https://marblobaths.com/app/webroot/img/files/22415741408.pdfIn PDF document text
  • http://fapannimario.it/userfiles/files/kazokakewizebusanevako.pdfIn PDF document text
  • http://aftckwt.com/uploads/file/33114545550.pdfIn PDF document text
  • http://seigyobannkaigaikikaku.com/ckfinder/userfiles/files/93964118393.pdfIn PDF document text
  • https://vibangthuaphatlai.net/uploads/files/76545865004.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/3vuEKuznOb8/uplcv?utm_term=ca+dmv+statement+of+facts+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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