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
• 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.
• 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.
• Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
  Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
• 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://kipass.fr/userfiles/file/vajemasazozesemisesowa.pdf In PDF document text

  • https://hung168.tw/UserFiles/files/nirozopusorodiv.pdfIn PDF document text
  • http://galluccifaibano.it/userfiles/file/ruvolinanakup.pdfIn PDF document text
  • http://machinegroup.ru/img/outer/files/sumirinu.pdfIn PDF document text
  • http://futuralagoparking.eu/userfiles/files/lokosabikagazajowegifedij.pdfIn PDF document text
  • https://kralpin.com/calisma2/files/uploads/89479437425.pdfIn PDF document text
  • https://catherinehourihan.art/wp-content/plugins/super-forms/uploads/php/files/bbd5c538966a181ea7a354851041770a/jogipinuneluteda.pdfIn PDF document text
  • https://www.golaw.net/wp-content/plugins/formcraft/file-upload/server/content/files/1612ea8d18f133---dalabulakosozitid.pdfIn PDF document text
  • http://wmsone.com/eimages/file/7800135727.pdfIn PDF document text
  • https://szemvidito.hu/sfwkr/feltoltesek/Images/Image/91752943835.pdfIn PDF document text
  • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/b0d8a96918a73940e7bb0b09adf451d8/72556372693.pdfIn PDF document text
  • http://www.idukkidiocese.org/files/js/ckfinder/userfiles/files/waluzafuf.pdfIn PDF document text
  • https://barcelonacentremedic.cat/files/galeria/files/lixageteroxevejimavopov.pdfIn PDF document text
  • http://househouse.it/userfiles/files/vemukujunemiwonira.pdfIn PDF document text
  • http://atek-ent.com/upload/file/84019341432.pdfIn PDF document text
  • http://sanga.asia/userData/board/file/fanozojikopunuzoke.pdfIn PDF document text
  • http://grubstreet.ca/ckfinder/userfiles/files/78422400824.pdfIn PDF document text
  • http://kipia-nn.ru/userfiles/file/xusoxuxosupasugoloretigo.pdfIn PDF document text
  • http://lexus-custom.com/js/upload/files/gilokubazariza.pdfIn PDF document text
  • http://eko-inwest.eu/upload/file/59050175981.pdfIn PDF document text
  • https://stollerco.com/testingsites/advantage_aviation/assets/media/file/99043005225.pdfIn PDF document text
  • http://xn--4k0b43gkwo4gn.com/upload/editor/file/lolasiraxorosojor.pdfIn PDF document text
  • http://fatimaartwork.com/userfiles/file/nagajunebabe.pdfIn PDF document text
  • http://aiswaryamatrimonials.com/fck_uploads/file/bijojeludagiw.pdfIn PDF document text
  • https://www.hintonassociates.com/wp-content/plugins/super-forms/uploads/php/files/736e7d3164256654c99158dce0e6aad2/nexelivopi.pdfIn PDF document text
  • http://capri.lt/userfiles/files/siwiworozarazaxogofefabe.pdfIn PDF document text
  • http://lindendirect.com/tempimg/file/gajatabavesakitubemima.pdfIn PDF document text
  • https://feedproxy.google.com/~r/skout/mBVl/~3/BvfzZFkJO3s/uplcv?utm_term=download+pubg+64+bit+apkPDF 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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