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
• ClickFix social engineering attack high SE_CLICKFIX
  Document instructs the user to press Win+R or paste a command into a terminal — consistent with ClickFix attacks that bypass macro restrictions by tricking users into running malicious commands directly
• 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://synerhu.ru/uplcv?utm_term=set+outlook+to+open+on+startup PDF link annotation

  • https://kettosallampolgarsag.net/imagini_ws/29997387747.pdfIn PDF document text
  • http://bjqyms.com/filespath/files/20210918165611.pdfIn PDF document text
  • http://aeskulap24h.de/wp-content/plugins/formcraft/file-upload/server/content/files/1613d5c8677a5d---vufekezopasazejiduvowov.pdfIn PDF document text
  • http://lexen.ca/userfiles/files/kipifezavunomidemazeta.pdfIn PDF document text
  • http://ecohort.com/userfiles/files/foxuxizag.pdfIn PDF document text
  • http://www.phuongdonggolf.vn/app/webroot/uploads/files/fural.pdfIn PDF document text
  • https://mindweave.co.uk/wp-content/plugins/super-forms/uploads/php/files/fd7jfl67h5masqe1868gkujq0l/fatit.pdfIn PDF document text
  • http://goang-hann.com/uploads/files/202110030450332775.pdfIn PDF document text
  • https://actsonics.com/uploads/files/202109191602102215.pdfIn PDF document text
  • https://livredart.com/ckfinder/userfiles/files/gaxuzemumed.pdfIn PDF document text
  • http://swaving-stalinrichting.nl/ckfinder/userfiles/files/zotisexapuzuxonuzomifod.pdfIn PDF document text
  • https://zapret-rf.org/web/img/podborky/files/madiwokuduvuwegoxamirir.pdfIn PDF document text
  • https://mashura.co/userfiles/files/makipumebasisuvo.pdfIn PDF document text
  • http://kaiyudachem.com/filespath/files/20211005203341.pdfIn PDF document text
  • http://robotsuk.com/luckingbros.co.uk/userfiles/files/nasamudotudajogajetis.pdfIn PDF document text
  • http://autostyle-japan.com/js/upload/files/nubovukutuf.pdfIn PDF document text
  • https://thaibamboorestaurant.ca/phpsites/bard_ford/uploads/file/nodixetojowiluxabune.pdfIn PDF document text
  • http://tobn56.com/UpFiles/file/todilonume.pdfIn PDF document text
  • http://saopauloairporttransfers.com/ckfinder/userfiles/files/duguvazazuwipog.pdfIn PDF document text
  • http://savages.lu/imagesRTE/files/gekonofufebarofenuk.pdfIn PDF document text
  • http://www.kevinbrooks.ca/wp-content/plugins/formcraft/file-upload/server/content/files/1613fa3beb412c---dupitowidamogu.pdfIn PDF document text
  • https://srccaa.bdbabymart.com/app/webroot/ckfinder/userfiles/files/61554261339.pdfIn PDF document text
  • http://a-xian-coat.com/uploads/files/202109221249304515.pdfIn PDF document text
  • http://stsmcc.org/www/js/ckfinder/userfiles/files/34739411556.pdfIn PDF document text
  • http://gamjagolla.com/uploads/files/baderazavitu.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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