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
• PDF link to algorithmically-generated URL high PDF_RANDOM_URL_LINK
  PDF contains a clickable HTTP(S) link whose host looks algorithmically generated (pronounceable-random labels) and whose path/query carries a long high-entropy token. This is the randomized-redirector pattern of malspam phishing lures — the visible document is only a prompt — not a PDF parser vulnerability.
• 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.
• 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://catamma.ru/uplcv?utm_term=download+filmorago+for+android PDF link annotation

  • http://jkbprivateiti.com/userfiles/file/xewosem.pdfIn PDF document text
  • http://keacg.com/upload/files/73983020973.pdfIn PDF document text
  • http://studiomedicoveterinariobellucci.eu/userfiles/files/25492818885.pdfIn PDF document text
  • http://cps-mbstu.edu.bd/app/webroot/js/ckfinder/userfiles/files/75283318882.pdfIn PDF document text
  • http://www.farmaciapenil.es/userfiles/files/184045025.pdfIn PDF document text
  • http://malir-naterac.info/UserFiles/File/65292829487.pdfIn PDF document text
  • https://nailseasupportgroup.com/wp-content/plugins/super-forms/uploads/php/files/0aa97c1a663e59a78b145114b59abb73/bubodolosi.pdfIn PDF document text
  • http://multiseal.com.ph/wp-content/plugins/formcraft/file-upload/server/content/files/1613aa57e368ac---lonubizado.pdfIn PDF document text
  • https://inprovitchile.com/ckfinder/userfiles/files/80629614791.pdfIn PDF document text
  • https://amartzon.store/wp-content/plugins/super-forms/uploads/php/files/b53beedc1724352d390507dd8e6defe3/firopeliledafufujepenala.pdfIn PDF document text
  • http://benthanhsgfarm.com/images/uploads/files/92559064087.pdfIn PDF document text
  • http://sushiyaslo.com/uploads/files/6768258268.pdfIn PDF document text
  • https://glass-haus.ru/wp-content/plugins/super-forms/uploads/php/files/f540cf6947ed90595960fba6ebe6fedd/laxedopowezuturope.pdfIn PDF document text
  • https://www.paparazzirestaurant.com.au/wp-content/plugins/super-forms/uploads/php/files/0ca9b990e36404e3f4de46b78f9d98ec/wutesutemimolaj.pdfIn PDF document text
  • http://webcertain.asia/contentupload/fckeditorUploads/organization_/file/69700313781.pdfIn PDF document text
  • http://wksx.top/images/userfiles/file/48850537262.pdfIn PDF document text
  • https://galaxytraining.examinationonline.com/files/26959239895.pdfIn PDF document text
  • https://www.hit-education.com/wp-content/plugins/super-forms/uploads/php/files/n772nlrn2tqk2lt15pehh3vr0h/tizejixuporawadi.pdfIn PDF document text
  • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16137a31c25fbe---12965574792.pdfIn PDF document text
  • http://graylegalservices.com/customer/3/d/9/3d947ad6ce2568d98b832ccf5548371bFile/buwipu.pdfIn PDF document text
  • http://mtsp.by/userfiles/files/76306864521.pdfIn PDF document text
  • http://kengosushionlineorder.com/uploads/files/danejuloxa.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613dfeab1d9df---lulapofewaz.pdfIn PDF document text
  • http://viacaosaopedro.com/www/js/ckfinder/userfiles/files/guzizezisugi.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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