Malicious PDF — malware analysis report

Heuristics 7

• 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
• 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://philabc.ru/uplcv?utm_term=ala+vaikunthapurramuloo+torrent+magnet PDF link annotation

  • https://thuanxuongmonmb.com/admin/webroot/upload/image/files/70866625811.pdfIn PDF document text
  • https://asiantms.com/ckfinder/userfiles/files/kexatuvasupapiwolivox.pdfIn PDF document text
  • https://turdv.ru/SITE/files/editor/file/danosazejunare.pdfIn PDF document text
  • http://xfswchem.com/upload/files/75709329749.pdfIn PDF document text
  • http://malabarisproducoes.com/arquivos/files/novuf.pdfIn PDF document text
  • https://cherrychile.cl/cherry/uploads/contenido/files/2450540104.pdfIn PDF document text
  • https://wheelmartthailand.com/image/upload/File/rufimuvazotalebawome.pdfIn PDF document text
  • https://fmpride.com/wp-content/plugins/super-forms/uploads/php/files/18a111bab407f054dc4a61332e306884/91072567658.pdfIn PDF document text
  • http://hawaii-resort.info/images/blog/file/16807085257.pdfIn PDF document text
  • http://parejalecaros.com/adjunto/upload/fck/files/21011396161.pdfIn PDF document text
  • http://italianopizzeria-pg.com/uploads/files/nubut.pdfIn PDF document text
  • http://kartywspomnien.pl/uploads/assets/file/jewisivibotiwobekudo.pdfIn PDF document text
  • https://optical-axis.com/uploads/files/202109012349468727.pdfIn PDF document text
  • http://www.ncstarim.com.tr/wp-content/plugins/super-forms/uploads/php/files/lg6pk6bhrs5mljjiccnu493n37/16760956014.pdfIn PDF document text
  • https://graphicart.ro/fckfiles/file/tidivefofadowozolesif.pdfIn PDF document text
  • http://langeline.com/ckeditor/upload/files/kekaza.pdfIn PDF document text
  • http://barsugo.com/ckfinder/userfiles/files/verijixezu.pdfIn PDF document text
  • http://cmuniontravel.com/userfiles/file/80742231581.pdfIn PDF document text
  • https://autohausnschmidt.de/userfiles/file/95453073922.pdfIn PDF document text
  • http://www.tsssport.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614572750d3b2---pibasimu.pdfIn PDF document text
  • http://vhshf.de/File/xonesedisozuwuzaxowabava.pdfIn PDF document text
  • http://vipavtoufa.ru/wp-content/plugins/super-forms/uploads/php/files/b2c9084dc01b84531fa0e7b0d12f9d4d/37328065206.pdfIn PDF document text
  • https://traffictkt.com/viking1/uploads/files/13022631302.pdfIn PDF document text
  • http://www.supair-lux.hu/ckfinder/userfiles/files/pelagozugomalu.pdfIn PDF document text
  • https://monamifrance.com/FileData/ckfinder/files/20210911_8199E981CF66B671.pdfIn PDF document text
  • http://elisa5888.com/shopadmin/upload/files/todunadijeboleta.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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