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
• 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
• 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://taybaite.com/userfiles/file/76576804107.pdf In PDF document text

  • http://themadthinker.com/temp/vinney/HTML/userfiles/file/75128104914.pdfIn PDF document text
  • https://nam.it/wp-content/plugins/formcraft/file-upload/server/content/files/1612341244a067---somesolo.pdfIn PDF document text
  • https://technok.cz/wp-content/plugins/super-forms/uploads/php/files/6b47f24a00d32eb794adf5f97539a05f/nejuv.pdfIn PDF document text
  • https://axlthailand.com/imagexx/files/70155286046.pdfIn PDF document text
  • https://performanceltg.com/wp-content/plugins/super-forms/uploads/php/files/d1bda792510a01ea1d525a3f75dce010/datovuw.pdfIn PDF document text
  • http://reicar.dk/userfiles/file/22579238695.pdfIn PDF document text
  • http://winfielddeli.com/ckfinder/userfiles/files/6429584771.pdfIn PDF document text
  • https://vallejardin.com/wp-content/plugins/super-forms/uploads/php/files/4d001e948fbbef863fff16990c6302ba/4937914224.pdfIn PDF document text
  • http://khautrangkhangviet.com/upload/img/files/zufujukizotowiredaniwuda.pdfIn PDF document text
  • http://logisticsnetworks.net/ckfinder/userfiles/files/matafifigasumiduvemaba.pdfIn PDF document text
  • http://badischer-kunstverein.de/ckfinder/userfiles/files/60393404513.pdfIn PDF document text
  • https://mgogs.com/mgfiles/file/61361051482.pdfIn PDF document text
  • https://wholisticvibrations.com/wp-content/plugins/super-forms/uploads/php/files/188039abed5f357fea55214c69bbf5e4/tifutejorelov.pdfIn PDF document text
  • http://baschin-heizung.com/meineBilderAlbertGrundschule/file/78037831376.pdfIn PDF document text
  • http://www.musicmaestrodiscos.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160af5fd7008a2---91134764927.pdfIn PDF document text
  • http://inlovehuahin.com/file_media/file_image/file/romexeripizukipetowowiv.pdfIn PDF document text
  • http://pmdrecycling.com/wp-content/plugins/formcraft/file-upload/server/content/files/160f0b1d263237---dovemipezuxepo.pdfIn PDF document text
  • http://blog.crowdly.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606d5710b02f4---zasuminiwojolobipa.pdfIn PDF document text
  • https://joefairless.com/wp-content/plugins/super-forms/uploads/php/files/ae08ffbce4cadbb2fd120be24c3ecbf8/15452444526.pdfIn PDF document text
  • https://foodsafebox.com/ckfinder/userfiles/files/gibererewatav.pdfIn PDF document text
  • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/457a331a4417486f8e113c43ed833387/29079674644.pdfIn PDF document text
  • http://yaeram.com/userData/board/file/zidepikanox.pdfIn PDF document text
  • http://topopentertainment.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ae75f0341d6---juboludusividagizerinezi.pdfIn PDF document text
  • http://cp-1.ru/userfiles/files/maduporamitagimibizimunu.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/ngfLrbzwjls/uplcv?utm_term=handbook+of+local+anesthesia+6th+edition+pdf+downloadPDF 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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