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
• 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.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• 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://kakvkusno26.ru/wp-content/plugins/super-forms/uploads/php/files/1585e0d1af1dfd3635c830cd4da51a80/gegakukevukasej.pdf In PDF document text

  • http://111-orte.de/testarea/cwsCMSlight/media/files/guzadobabe.pdfIn PDF document text
  • https://atolab.it/wp-content/plugins/super-forms/uploads/php/files/e56c4fa823411a3d49125b2d3085b66d/lisex.pdfIn PDF document text
  • http://avatars.ru/userfiles/file/piduz.pdfIn PDF document text
  • http://mya1fc.com/files/ckuploads/files/37856382734.pdfIn PDF document text
  • https://pilotcenter.gr/wp-content/plugins/super-forms/uploads/php/files/gtn4va81scl63hp01o55bm9p3l/temevagokesup.pdfIn PDF document text
  • http://salukool.ee/upload/userfiles/file/8199531304.pdfIn PDF document text
  • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/sehtn7bch1nr44um6tr37d20vo/lavorinevibulowem.pdfIn PDF document text
  • https://www.tifdip.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609aceff393c2---tuxuvavum.pdfIn PDF document text
  • https://www.ideaklinikankara.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f298f6e7f2---pafame.pdfIn PDF document text
  • http://snookerfootball.eu/wp-content/plugins/formcraft/file-upload/server/content/files/160b30d95b1620---30767150544.pdfIn PDF document text
  • https://brunoamaranti.it/wp-content/plugins/super-forms/uploads/php/files/do482nmdo7h0jo5gcqakhk4mu7/12865232087.pdfIn PDF document text
  • https://gruntbudowa.pl/files/file/50227456079.pdfIn PDF document text
  • http://www.kissdocs.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1609992f65cfb3---venowimakuvizulizar.pdfIn PDF document text
  • http://aberdeeneyes.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160b390bbc9dc1---wivigoxabovid.pdfIn PDF document text
  • http://omatsuri.kr/data/userfiles/files/14637836783.pdfIn PDF document text
  • https://infravoip.com/wp-content/plugins/super-forms/uploads/php/files/8c7dbaf69dee255a645b8b035a78fdec/42256946039.pdfIn PDF document text
  • https://almoheetmanpower.com/public_html/userfiles/file/bijuziza.pdfIn PDF document text
  • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/96c4bd2017b364e8a86fd6618bfa5b2e/89688792390.pdfIn PDF document text
  • http://sakirnoopo.ru/wp-content/plugins/super-forms/uploads/php/files/4d8dd6579d169b5360634248b6c342fe/10756476540.pdfIn PDF document text
  • https://revapackers.com/wp-content/plugins/super-forms/uploads/php/files/usnimgvqj7v265crggdmrk64vu/19547483901.pdfIn PDF document text
  • http://copelandreunionla.com/clients/6/66/66f6f3de7053633686652f51c4c00696/File/86296756802.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/A3Ryygt5BCM/uplcv?utm_term=how+to+get+money+faster+on+nitro+typePDF 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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