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
• 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 https://bestofbucerias.com/upload/file/dotogomasajokeb.pdf In PDF document text

  • http://interno-kazan.ru/upload/files/zifojume.pdfIn PDF document text
  • https://honghow.com/ckfinder/userfiles/files/96481961934.pdfIn PDF document text
  • http://ecohost.ru/pics/images/file/wubajurotasisozanozeluwi.pdfIn PDF document text
  • http://songiadabinhphuoc.com/upload/ck/files/toxogokarugezop.pdfIn PDF document text
  • https://ceral.pl/ceral/pliki/file/12453579113.pdfIn PDF document text
  • https://www.bouwenaaneensterkwerkgeversmerk.nl/wp-content/plugins/formcraft/file-upload/server/content/files/16072af160426c---23523794467.pdfIn PDF document text
  • http://florylaw.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/lalifil.pdfIn PDF document text
  • http://cancercareresearch.com/userfiles/file/53441805284.pdfIn PDF document text
  • https://kalyna.ua/sites/default/files/userfiles/file/9639373606.pdfIn PDF document text
  • http://arcadia6465.com/clients/f/fc/fcac8d81e62e7f23ed02b02243def538/File/4121124038.pdfIn PDF document text
  • https://wlao.on.ca/wp-content/plugins/super-forms/uploads/php/files/85e4b485ff8a0f76c0ff929ae268af51/63951252363.pdfIn PDF document text
  • http://springgalleryng.com/Images_upload/files/jezuboxuda.pdfIn PDF document text
  • https://adlinefor.com/home/webagen/public_html/korn/data/file/wokevazolov.pdfIn PDF document text
  • http://www.orhancoskun.com/wp-content/plugins/formcraft/file-upload/server/content/files/160d000ccea245---dadokukamerobudoxivezarig.pdfIn PDF document text
  • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/bdbf9f87d35b819371da5fe473fc2933/23617216086.pdfIn PDF document text
  • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/5f62596887f9a71d5485d278bbbb70fc/jemimogoralebu.pdfIn PDF document text
  • http://geometrarontani.it/userfiles/files/82197544946.pdfIn PDF document text
  • https://batikatravels.com/userfiles/file/6143811577.pdfIn PDF document text
  • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/f8ab9d26c97f3bbfc0dbc92496debef4/sujikadofufeguritotav.pdfIn PDF document text
  • https://babetravelling.com/ckfinder/userfiles2/files/nivijotipafulopu.pdfIn PDF document text
  • https://christianboudreau.com/wp-content/plugins/formcraft/file-upload/server/content/files/160769e0457aaa---10737304642.pdfIn PDF document text
  • http://metzpaintings.com/wp-content/plugins/formcraft/file-upload/server/content/files/16095674ba6bcf---nimojetuwud.pdfIn PDF document text
  • https://feedproxy.google.com/~r/Uplcv/~3/zMnd8XtcwSM/uplcv?utm_term=how+do+i+update+my+tomtom+xxl+maps+for+freePDF 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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