Malicious PDF — malware analysis report

Static analysis result for SHA-256 6eae82813f17376f…

MALICIOUS

PDF

41.5 KB Created: 2021-06-29 02:56:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-03
MD5: da4a5555f11625cf5a1b3bc0c6d6dfb4 SHA-1: 36671d21e17a671bc3dccfc747b9de2603a400da SHA-256: 6eae82813f17376fc9ac6536e972469bd197d4b95fc8c0a1ae7bf1173874c5c9
174 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF is identified as a phishing lure due to its image-heavy nature and embedded clickable link. The link directs to a compromised WordPress site, suggesting an attempt to host malicious files or redirect to further malicious content. ClamAV detection and ML classification further support its malicious classification.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8353

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Image-only document with action trigger (screenshot lure) medium PDF_IMAGE_LURE
    PDF has 1 image(s), only 0 text block(s), carries a click-outward action, and is only 41 KB — typical shape of a phishing lure where a full-page screenshot hides a clickable button that launches or submits to an attacker URL.
  • 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 http://bezpieczna-strefa.pl/wp-content/plugins/super-forms/uploads/php/files/b296bb154cceb4edb3569d6271a8fee4/61697455142.pdf In PDF document text
    • https://goldengrowers.com/wp-content/plugins/super-forms/uploads/php/files/91542a7176f92c729f8c5ca39e63425a/69864234050.pdfIn PDF document text
    • https://simovi.mx/wp-content/plugins/formcraft/file-upload/server/content/files/160809a47b5ce7---86984971057.pdfIn PDF document text
    • http://www.circoloaletrium.it/wp-content/plugins/formcraft/file-upload/server/content/files/160803b13c6388---38348888839.pdfIn PDF document text
    • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/m6di00btb6e6s0rbtgo82lvvvl/xerujanitirum.pdfIn PDF document text
    • https://alajuusa.eemedia/contents/file/96089097869.pdfIn PDF document text
    • http://robalton.es/Albums/images/file///fuzereradivabanumoda.pdfIn PDF document text
    • https://arvikabc.com/images/uploadedimages/file/62475052018.pdfIn PDF document text
    • https://championsforchildren.org/wp-content/plugins/super-forms/uploads/php/files/5cacb70d596ed419709e2d8e8e502b5e/dubaxagepolejesus.pdfIn PDF document text
    • https://vernadoc.com/wp-content/plugins/super-forms/uploads/php/files/4421b223b3b62ad8da766f5106a994bc/49321212454.pdfIn PDF document text
    • https://swimproject.eu/wp-content/plugins/super-forms/uploads/php/files/7543c3bdd89056755ff0aabd908277d2/kalalegetawefeloza.pdfIn PDF document text
    • http://www.sunarmisir.com.tr/wp-content/plugins/super-forms/uploads/php/files/jgeqfpp0ahtjnaaqui368l2fc1/37995355581.pdfIn PDF document text
    • http://accessiblevehicleservices.com/userfiles/file/tozovejizataxud.pdfIn PDF document text
    • http://edu-family72.ru/content/images/uploads/file/21245907982.pdfIn PDF document text
    • https://master.plus/wp-content/plugins/super-forms/uploads/php/files/9bba3f7d44721814ff172ec2af82e647/woboxaxevokira.pdfIn PDF document text
    • https://mavismanagement.com/wp-content/plugins/formcraft/file-upload/server/content/files/16092a4a112bc7---mulaveji.pdfIn PDF document text
    • http://didopack.com/files/38791340794.pdfIn PDF document text
    • https://melz-feu.ru/upload/59161370053.pdfIn PDF document text
    • http://www.kickcommerce.com/userfiles/file/32499907308.pdfIn PDF document text
    • https://www.properties-thassos.com/wp-content/plugins/super-forms/uploads/php/files/b0jfnjqlc1jmauksarejsgqi3c/38914576851.pdfIn PDF document text
    • http://sylvianapoles.com/clients/e/e6/e63d90d46a840f0b3195f531cec11f6e/File/47731850230.pdfIn PDF document text
    • http://alexanderkanevskyartgallery.com/clientMedia/file/38673252780.pdfIn PDF document text
    • https://evg-prague.fr/wp-content/plugins/formcraft/file-upload/server/content/files/160b18ca93bc95---70767048010.pdfIn PDF document text
    • http://cedresarquitectura.com/wp-content/plugins/formcraft/file-upload/server/content/files/1609d0d7039715---tusenesibup.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/fzgW7-mxBc0/uplcv?utm_term=swag+se+swagat+full+hd+1080p+video+downloadPDF link annotation

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