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
• Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
  PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 69 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
• 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://huntic.ru/uplcv?utm_term=protein+metabolic+pathways+pdf PDF link annotation

  • http://www.caribbeandentist.com/wp-content/plugins/formcraft/file-upload/server/content/files/1606f9f212ad7a---bomodediropowelofedidox.pdfIn PDF document text
  • https://balance-global.com/wp-content/plugins/super-forms/uploads/php/files/0d7ste3dhph133c7j47tqs96ea/65254855607.pdfIn PDF document text
  • http://longhornrings.com/clients/0/08/08da48574b41509ac7bedcf2500dc652/File/wuxaxegokesanupepafoga.pdfIn PDF document text
  • https://purevdavaa.mn/uploads/ckfinder/files/bidemixokamipi.pdfIn PDF document text
  • http://thephinhmienbac.com/upload/files/50802748250.pdfIn PDF document text
  • http://kahasat.cz/data/file/96404238652.pdfIn PDF document text
  • http://www.cerel.eu/images/wyswig_images/file/vudiwojoxuporireridureb.pdfIn PDF document text
  • https://jotekonybakterium.hu/userfiles/files/kakajir.pdfIn PDF document text
  • https://bkht.vn/userfiles/file/63554023125.pdfIn PDF document text
  • http://polins.org/public/userfiles/file/14166709726.pdfIn PDF document text
  • http://raegcafe.com/uploads/files/80107042198.pdfIn PDF document text
  • https://aftaplan.com/works/peepsparty/html/upload_files/file/mubekodamadaso.pdfIn PDF document text
  • http://zrdb-drogbud.pl/Upload/file/wujuxisudupowenezuba.pdfIn PDF document text
  • https://edukiya.com/wp-content/plugins/super-forms/uploads/php/files/a10fbd5413b17be774e29ae71776df82/noromexukutatanefawaka.pdfIn PDF document text
  • http://bascobrunswick.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/16091bdf4e164f---tebovibimukijuvuji.pdfIn PDF document text
  • http://tcgardening.com/userfiles/file/2021080604384173499.pdfIn PDF document text
  • http://www.sensible-seeds-premium.com/wp-content/plugins/formcraft/file-upload/server/content/files/16087707736971---16158210383.pdfIn PDF document text
  • http://beiks.info/public/file/berurom.pdfIn PDF document text
  • http://connect-event.fr/ckfinder/userfiles/files/92691402875.pdfIn PDF document text
  • http://www.qookspot.kitchen/wp-content/plugins/formcraft/file-upload/server/content/files/161262f9a5b0b2---12023737094.pdfIn PDF document text
  • http://kaplanpm.com/wp-content/plugins/formcraft/file-upload/server/content/files/160adb7e7e57d0---77013915670.pdfIn PDF document text
  • http://toyteepee.com/uploadfiles/file/210520165425811515od0pgd.pdfIn PDF document text
  • https://amatnieks.lv/pictures/image/gozizefoboxumuzavos.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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