Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
• Browser extension / update installation lure high SE_BROWSER_INSTALL_LURE
  Document tells the user to install a browser extension, plugin, viewer, or browser update to view content — a common social-engineering path for credential theft and malware installation
• 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.
• 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://purofirstli.net/userfiles/file/nejaporopifirusizadig.pdf In PDF document text

  • http://www.uppld.org/wp-content/plugins/formcraft/file-upload/server/content/files/16079c3770ebb5---timatizuxolutezafobagenar.pdfIn PDF document text
  • https://victorybear-info.com/userfiles/files/wezoleketiwuwasip.pdfIn PDF document text
  • http://guowangcable.com/d/files/60725346443.pdfIn PDF document text
  • http://aaexpansionjoint.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ba8d3792d0c---buroge.pdfIn PDF document text
  • https://www.tonygssoulfood.com/wp-content/plugins/super-forms/uploads/php/files/a0c41f9bfbb14b5076944161a7de6775/kegemavodexajazotejinizi.pdfIn PDF document text
  • http://autoshiftbid.com/fckeditor/userfiles/file/86438374672.pdfIn PDF document text
  • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/16098a0fa5366b---mopijusulizolew.pdfIn PDF document text
  • https://uniqrelation.com/userfiles/file/58075626167.pdfIn PDF document text
  • https://baodinhsolar.com/wp-content/plugins/super-forms/uploads/php/files/h5tcl06vdroigbgl9fa2mbt13p/42534776450.pdfIn PDF document text
  • http://ferrogep99.hu/static/media/file/86691432444.pdfIn PDF document text
  • https://acornschoolcharleston.org/wp-content/plugins/super-forms/uploads/php/files/34769ab16e9eb9e35247f768beb5b396/redis.pdfIn PDF document text
  • https://gdr.co.il/wp-content/plugins/super-forms/uploads/php/files/9d2ae15792b9420cd3c804ead338ce1c/44432432348.pdfIn PDF document text
  • https://syntellect.ru/Repository/file/nubudulidulefakusubuw.pdfIn PDF document text
  • https://www.couleurs-et-jardin.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160c188b8d0e8c---naxivaruzizevusasodo.pdfIn PDF document text
  • https://www.isgs.org/wp-content/plugins/super-forms/uploads/php/files/0df7862fc4881dc03dc41beef1dcadbe/84962574693.pdfIn PDF document text
  • https://postscriptproductions.com/wp-content/plugins/formcraft/file-upload/server/content/files/160c8f5db7051a---15159392180.pdfIn PDF document text
  • http://thehawthornnyc.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608929578b22f---35082480629.pdfIn PDF document text
  • http://www.ascendercorp.com/In PDF document text
  • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
  • http://fedorahosted.org/lohitIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/DOqCt-cVA4I/uplcv?utm_term=screen+mirroring+for+all+tv+apkPDF 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://scripts.sil.org/OFLIn PDF document text
  • http://www.geocities.com/mitra_anirban/hobbies.htmGNUIn PDF document text
  • http://www.gnu.org/copyleft/gpl.htmRegularIn 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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