Malicious PDF — malware analysis report

Static analysis result for SHA-256 aebed6c6b3daf097…

MALICIOUS

PDF

62.5 KB Created: 2021-09-07 18:55:29 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-07
MD5: 76e8cdcc56b1a125d991e7102da65369 SHA-1: 7ed71baa21f209c23c10102afcd614a3f7d9542d SHA-256: aebed6c6b3daf0975580117655b1db6b31aaf66cfca5c60133358cf3bffe859d
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

This PDF file was detected as malicious by ClamAV and an ML classifier. It functions as a link farm, containing numerous embedded URLs that point to compromised WordPress sites. These links likely lead to phishing pages or further malware downloads, indicating a malicious intent to lure users to untrusted content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6040

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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
  • 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://www.histoiresdegroupes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160862217b0cb3---32992002958.pdf In PDF document text
    • https://k-kompany.ru/wp-content/plugins/super-forms/uploads/php/files/ff10405aed16bbfed1c6a765d08f3fb0/vaduzof.pdfIn PDF document text
    • http://cleannshieldflorida.com/wp-content/plugins/super-forms/uploads/php/files/559bec2a191d5be05772a633c0a93b70/damefizomibejulaxujetaze.pdfIn PDF document text
    • http://buergerforum-tirol.at/file/xonalisezugatunifepata.pdfIn PDF document text
    • http://ipsgroupjjn.org/userfiles/file/64483987994.pdfIn PDF document text
    • http://www.fishandcosolicitors.com/uploads/files/poletuluwiguwurusu.pdfIn PDF document text
    • https://www.budgetskemaet.dk/wp-content/plugins/formcraft/file-upload/server/content/files/160991c4d698ec---77263927759.pdfIn PDF document text
    • http://sansboundaries.com/clients/f/fd/fde0d4b6b324343791c5f0705b221951/File/85993500325.pdfIn PDF document text
    • http://kutscher-customs.de/gfx/userfiles/files/mifolusomo.pdfIn PDF document text
    • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/8ce8837220a534e2ef27fbaf515e23ae/zewefesobisar.pdfIn PDF document text
    • http://dges.in/userfiles/file/pegebarotijonizujerodowe.pdfIn PDF document text
    • http://fsgzb.com/upfolder/e/files/20210629181059.pdfIn PDF document text
    • https://pelicanfinancialnetwork.com/ckfinder/userfiles/files/tugugokamitizolawubofu.pdfIn PDF document text
    • https://castel.ro/userfiles/file/jenakelotago.pdfIn PDF document text
    • http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/0244a3abad05ef181a2b44f25e5ade35/kigawejujijidi.pdfIn PDF document text
    • http://www.dismaplant.com/ckfinder/userfiles/files/gazigawifibokawa.pdfIn PDF document text
    • http://bagpack.com.np/wp-content/plugins/formcraft/file-upload/server/content/files/1606d19bfceab4---77364054879.pdfIn PDF document text
    • https://diversified-nj.com/wp-content/plugins/super-forms/uploads/php/files/24cc38f07dd4cfc88ba9ba3d468dcef4/92837755500.pdfIn PDF document text
    • https://egyptsuntours.com/userfiles/files/karazunesuviwodik.pdfIn PDF document text
    • https://activepymes.com/pub/file/15227664773.pdfIn PDF document text
    • http://www.sunarozlem.com.tr/wp-content/plugins/super-forms/uploads/php/files/kq0fa2ra8io067mu2qkhb5pt76/jesuzixilenire.pdfIn PDF document text
    • https://dprkoreatour.com/uploads/files/52886640221.pdfIn PDF document text
    • https://www.eecpowerindia.com/codelibrary/ckeditor/ckfinder/userfiles/files/92393794143.pdfIn PDF document text
    • https://celovechurch.org/wp-content/plugins/super-forms/uploads/php/files/1f03dbf7cfbaca561579949d6298d4e8/51843937078.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/S30rS-6n6vg/uplcv?utm_term=counseling+progress+notes+template+pdfPDF link annotation

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