Malicious PDF — malware analysis report

Static analysis result for SHA-256 fe0230685604bc7b…

MALICIOUS

PDF

52.9 KB Created: 2021-07-10 08:24:16 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-02
MD5: 9474cfbbe1c7045087f8b7396559ad5f SHA-1: 69d154e4c0cb5ee213f2fe35f23edb25a62e37ce SHA-256: fe0230685604bc7bd19e802d2632693b2eb86203b193630aab3fa8cdb7d7ac34
154 Risk Score

Malware Insights

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

The PDF was identified as malicious by ClamAV and an ML classifier, and heuristics indicate it functions as a link farm. Multiple URLs point to compromised WordPress sites and other disposable hosting, suggesting an attempt to lure users to malicious content. No scripts were extracted, but the structure and URL patterns are consistent with phishing or malware distribution campaigns.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6164

Heuristics 5

  • 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 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.hinogas.com/wp-content/plugins/super-forms/uploads/php/files/ulccai5er3ur8t835mksqmho09/kokuguzatevaj.pdf In PDF document text
    • http://abpaluso.com/upload/file/memizepanatezoz.pdfIn PDF document text
    • https://www.sacproblemleri.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607bb5714b2a5---74987515604.pdfIn PDF document text
    • http://mofrantech.com/userfiles/file/mitewubofujosuferera.pdfIn PDF document text
    • https://bettenbaehren.de/wp-content/plugins/formcraft/file-upload/server/content/files/160dd9f4090cb2---dudotug.pdfIn PDF document text
    • http://for-rent-leuven.com/wp-content/plugins/formcraft/file-upload/server/content/files/16099e44b49693---37102365802.pdfIn PDF document text
    • http://lycee-elm.org/userfiles/file/pevajoves.pdfIn PDF document text
    • https://comodee.com/wp-content/plugins/formcraft/file-upload/server/content/files/160bc8cd252269---kavijarekelodobutivuxofug.pdfIn PDF document text
    • http://www.iycadana.org/wp-content/plugins/super-forms/uploads/php/files/28shpvfk54eq6q66q9sv3875n0/judetelegebubezibelifiva.pdfIn PDF document text
    • http://www.misshandicap.ch/wp-content/plugins/formcraft/file-upload/server/content/files/160791f5a38155---91109666369.pdfIn PDF document text
    • https://lashmakerpro.it/wp-content/plugins/super-forms/uploads/php/files/37r5g694luc0210kd0dktbl5r1/70045688033.pdfIn PDF document text
    • https://xn--78-6kce7dfhb9dwb.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/35ac0e458cf44a23aef36f6e6402c075/vawepag.pdfIn PDF document text
    • http://enjoy.sk/editor_uploads/system/files/kuxaxaxuxami.pdfIn PDF document text
    • http://www.christinemartin.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/16096fb6271064---66209842316.pdfIn PDF document text
    • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1609ab8ca4e5eb---65528910663.pdfIn PDF document text
    • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160b74a69682e0---45075286302.pdfIn PDF document text
    • http://drkoopman.nl/cmsimages/file/dosaki.pdfIn PDF document text
    • http://amandamaitland.com/images/file/segudo.pdfIn PDF document text
    • http://mgmkt.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/1607d6dff0e4a3---39075015091.pdfIn PDF document text
    • http://nusratali.com/userfiles/files/somew.pdfIn PDF document text
    • https://anpheatingandac.com/nbloom/fckuploads/file/genotorawaw.pdfIn PDF document text
    • http://ylpcl.com/ckfinder/userfiles/files/kovosuni.pdfIn PDF document text
    • https://sipsib.ru/wp-content/plugins/super-forms/uploads/php/files/ba1a7eb791ff6f9b72da444297be1d34/66930289147.pdfIn PDF document text
    • https://beachesbrewing.com/wp-content/plugins/super-forms/uploads/php/files/a8e454b5f8ec360ec2ba8351d046f076/koxotodujimuzadasupadasis.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=colors+that+go+well+with+purple+and+yellowPDF link annotation

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