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.
• Callback phishing phone lure medium SE_CALLBACK_LURE
  Document asks the user to call a phone number in billing, refund, subscription, fraud, or security context — consistent with callback phishing or tech-support scam patterns. Suppressed for legitimate-issuer (IRS/gov/official-form) documents that carry no urgency or charge/dispute escalation.
• 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://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614690d983e47---47105780189.pdf In PDF document text

  • https://mobilaide.com/upload/editor/file/jazubiloserofavovanapije.pdfIn PDF document text
  • http://www.infranetltd.com/wp-content/plugins/formcraft/file-upload/server/content/files/16134e5bb90653---96763767536.pdfIn PDF document text
  • http://vietcem.vn/public/default/ckeditor/files/vopukufofulo.pdfIn PDF document text
  • http://www.cuerpomenteyespiritu.es/wp-content/plugins/formcraft/file-upload/server/content/files/1613b8d200dd47---lepagopudinuzajerili.pdfIn PDF document text
  • http://lianbang123.com/uploads/files/202109151438208627.pdfIn PDF document text
  • https://paklya.su/design/img/upload/file/sadus.pdfIn PDF document text
  • http://jtravel.clickis.kr/FileData/ckfinder/files/20210902_D1CA5F81D64103C9.pdfIn PDF document text
  • http://asupuro.com/upload/save_image/files/66102553148.pdfIn PDF document text
  • http://aptekarynek.pl/zdjecia/fck/file/81622887661.pdfIn PDF document text
  • http://www.stadion-zarya.ru/ckfinder/userfiles/files/jafawisuvamatul.pdfIn PDF document text
  • https://cahayaapi1.com/contents/files/5353275776.pdfIn PDF document text
  • http://karaokejdi.com/ckfinder/core/connector/php/upload/files/47441662395.pdfIn PDF document text
  • http://www.bongbansaigon.com/uploads/files/mixafusubiwero.pdfIn PDF document text
  • https://www.lipca.com/ckfinder/userfiles/files/5389583978.pdfIn PDF document text
  • http://www.saito-ken.jp/userdata/file/79316172161.pdfIn PDF document text
  • https://kolodezrus.ru/wp-content/plugins/super-forms/uploads/php/files/811926a644843c84ae574ef2a3d84ab4/83949094602.pdfIn PDF document text
  • http://nc2e.fr/wp-content/plugins/formcraft/file-upload/server/content/files/1613a113225e67---72945750369.pdfIn PDF document text
  • https://nikunjfoundation.org/ckfinder/userfiles/files/79870553089.pdfIn PDF document text
  • https://zmiz.hr/userfiles/file/81242392938.pdfIn PDF document text
  • http://silverk.ru/img/lib/file/88398277368.pdfIn PDF document text
  • http://www.likoda.com.tw/upload/ckimg/files/vabisugi.pdfIn PDF document text
  • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/LPIa9PGmDLg/uplcv?utm_term=logiciel+pour+flasher+un+telephone+androidPDF 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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