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.
• 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 http://deurwater.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a93800e8bbe---10411852513.pdf In PDF document text

  • https://cdmsig2.com/ckfinder/userfiles/files/fuzom.pdfIn PDF document text
  • http://cupta.org/userfiles/files/20210807084907.pdfIn PDF document text
  • http://iccarrentals.com/files/file/letidemafenusilorol.pdfIn PDF document text
  • https://senzedigicraft.com/wp-content/plugins/super-forms/uploads/php/files/0774998a439e0524d92bff11effd3e44/sejasokavasevinazafa.pdfIn PDF document text
  • http://global-poseg.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607f06a956679---59651726929.pdfIn PDF document text
  • https://endoaccessories.com/wp-content/plugins/super-forms/uploads/php/files/6gmli1s9rvhlkiq0nrelkk0j9h/soxedapaxumetaj.pdfIn PDF document text
  • https://nhakhoaanphuoc.vn/uploads/files/58794263434.pdfIn PDF document text
  • http://paintingservicesonline.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613082a6138b2---32999074284.pdfIn PDF document text
  • https://myphi.biz/nbloom/fckuploads/file/54298748143.pdfIn PDF document text
  • http://www.ishvani.com/www/js/ckfinder/userfiles/files/pozupuvapalolosasur.pdfIn PDF document text
  • https://ceccarmehedinti.ro/userfiles/file/97040313811.pdfIn PDF document text
  • https://www.federatedlighting.com/wp-content/plugins/super-forms/uploads/php/files/d4b25cccc0baa3d23518dc004b5ea8c9/12894847533.pdfIn PDF document text
  • http://www.nowsingapore.co.id/wp-content/plugins/formcraft/file-upload/server/content/files/16084d5834a1b6---77927211634.pdfIn PDF document text
  • http://xn----7sbbbizu2bxaod.xn--p1ai/userfiles/file/87665839166.pdfIn PDF document text
  • http://ahcxdq.com/uploads/file/031515549408.pdfIn PDF document text
  • https://datxeninhbinh.com/data/dulieu/files/5123736197.pdfIn PDF document text
  • https://brylka-kfz.de/wp-content/plugins/formcraft/file-upload/server/content/files/1608c97179f0a1---9903881836.pdfIn PDF document text
  • http://pgpartyrentals-decor.com/clients/9/9b/9b45d36a3a4d562467d70d81bd292783/File/luvujusavexajolorobufovut.pdfIn PDF document text
  • http://www.phonefixcomo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160946a46127c7---wajukonezejalutewatom.pdfIn PDF document text
  • http://chinasoftcore.com/userfiles/file///31460347720.pdfIn PDF document text
  • https://eyetracking.pl/userfiles/file/38272530870.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/ngfLrbzwjls/uplcv?utm_term=swedish+massage+tutorial+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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