Malicious PDF — malware analysis report

Heuristics 9

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• Remote-support tool lure high SE_REMOTE_SUPPORT_LURE
  Document instructs the user to install, open, or connect with a remote-support tool such as AnyDesk, TeamViewer, Quick Assist, or ScreenConnect — high-risk in an unsolicited document
• 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
• Embedded JS stream low PDF_JS
  PDF references a /JS stream. Generic JavaScript is common in benign forms; specific dangerous APIs are scored by separate rules.
• 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://allytemp.ru/uplcv?utm_term=screen+mirroring+android PDF link annotation

  • http://dunajecbiala.pl/upload/File/retafafizisoz.pdfIn PDF document text
  • http://solarissoft.com/img/userfiles/files/43307265326.pdfIn PDF document text
  • http://mea-travel.pl/userfiles/file/69727228081.pdfIn PDF document text
  • https://markzone.az/wp-content/plugins/super-forms/uploads/php/files/vsavro4m5sb4jgbg18onqel9pn/99559781992.pdfIn PDF document text
  • http://srmtteaparty.com/uploads/files/202109080908394233.pdfIn PDF document text
  • https://alstar.uz/images/shared/file/viwakerobuzin.pdfIn PDF document text
  • https://doan295doson.vn/namthuan/images/news/files/45502877762.pdfIn PDF document text
  • https://bibliotheque.ville.deux-montagnes.qc.ca/ckfinder/userfiles/files/41128163627.pdfIn PDF document text
  • http://asude.istanbul/ck_images/files/79970259318.pdfIn PDF document text
  • https://jyapa.com/jhuoyue/uploadfiles/somebodasumufaxeda.pdfIn PDF document text
  • http://luluscafeonline.com/uploads/files/57689307513.pdfIn PDF document text
  • https://immsac.pe/sgi_userfiles/userfiles/files/xonopulonobobop.pdfIn PDF document text
  • https://natatourism.com/userfiles/files/xuvenuzapen.pdfIn PDF document text
  • http://kraemer-duennebacke.de/files/file/63590047894.pdfIn PDF document text
  • http://isotope3.pm-ural.com/uploads/files/38164377366.pdfIn PDF document text
  • http://www.agrosystem.com.tr/wp-content/plugins/formcraft/file-upload/server/content/files/161360536a9883---98001556480.pdfIn PDF document text
  • http://park-seversk.ru/other/js/ckfinder/userfiles/files/pezalosipitiwowanuvuvadi.pdfIn PDF document text
  • http://pc580.cn/upload_fck/file/2021-9-5/20210905105236502231.pdfIn PDF document text
  • http://i-tos.com/userData/board/file/valukuxisusefijat.pdfIn PDF document text
  • https://photographerin.agency/wp-content/plugins/super-forms/uploads/php/files/7a9akebb754k809lg829nlote5/labanovowegusuvogomagu.pdfIn PDF document text
  • http://csa.china-led.net/static/editor/ckeditor/ckfinder/upfile/files/18229821375.pdfIn PDF document text
  • http://thueotodn.com/uploads/image/files/titedekijofikejuvemab.pdfIn PDF document text
  • http://ettermanenterprises.com/ckfinder/userfiles/files/muwuwoboduvi.pdfIn PDF document text
  • http://www.alwaysflorida.com/wp-content/plugins/formcraft/file-upload/server/content/files/161386b93a5e67---fajoxabinevufekugekemox.pdfIn PDF document text
  • http://musthighschool.mn/ckfinder/userfiles/files/1547553071.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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