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.
• 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://laborke.ru/uplcv?utm_term=joker+live+wallpaper+for+pc PDF link annotation

  • http://ckattorneys.net/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/16962230549.pdfIn PDF document text
  • http://compagniaviaggi.gattinonimondodivacanze.it/themes/userfiles/files/wadogom.pdfIn PDF document text
  • http://www.radiopopiatej.com/wp-content/plugins/formcraft/file-upload/server/content/files/16132659cd7f7e---91903204240.pdfIn PDF document text
  • http://chipublichouse.com/ckfinder/userfiles/files/42869998638.pdfIn PDF document text
  • http://jwconsult2005.com/file_media/file_image/file/larozuwovorojafo.pdfIn PDF document text
  • https://dakotaterritorydevelopment.com/ckfinder/userfiles/files/dizubolujizasevonevijune.pdfIn PDF document text
  • http://coverybox.box8websites.com/ckfinder/userfiles/files/59809358429.pdfIn PDF document text
  • http://lindendirect.com/ckfinder/userfiles/files/87438724785.pdfIn PDF document text
  • http://ambvetbrashersclavoghisu.eu/userfiles/files/gajezevowaluvetezo.pdfIn PDF document text
  • http://gmei.lt/ckfinder/userfiles/files/50275292550.pdfIn PDF document text
  • http://www.whirlpool-beachcomber.at/wp-content/plugins/formcraft/file-upload/server/content/files/161493cfa61fcf---74563344795.pdfIn PDF document text
  • https://luckyfood.itweald.com/uploads/files/61400ab5eff17.pdfIn PDF document text
  • https://hkki.org/userfiles/files/jolofogeberazoba.pdfIn PDF document text
  • http://architettotamborra.eu/userfiles/files/64064614178.pdfIn PDF document text
  • https://ssmahavidyalaya.org/lion/uploadedfiles/fck/files/file/fagalaxubipetikigixatu.pdfIn PDF document text
  • https://mamo-tato.ro/userfiles/file/zoguxedinikixil.pdfIn PDF document text
  • http://anneadamslaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/sawedozutorenojexiw.pdfIn PDF document text
  • http://investgeorgia.ge/userfiles/file/sekirepodabusab.pdfIn PDF document text
  • https://cnc-ar.ro/files/file/48308674416.pdfIn PDF document text
  • https://mountmoriahcamp.com/media/dulitow.pdfIn PDF document text
  • http://andreevmag.com/wp-content/plugins/super-forms/uploads/php/files/6a78790fbe5aa0ad2cdc76189c5cc03d/48975137120.pdfIn PDF document text
  • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/1613ff64977613---32743750152.pdfIn PDF document text
  • http://hoadon-dientu.net/images/files/noxotomu.pdfIn PDF document text
  • http://dzbnf.com/upload/file///53596706470.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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