Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e76e1185ad5f9a9…

MALICIOUS

PDF

47.1 KB Created: 2021-09-07 15:32:55 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 5dbf82bbcb2f590f524f5a1dc91c0979 SHA-1: d291966cadcbf2a03fdb9d434937ad0e285e0e42 SHA-256: 0e76e1185ad5f9a9c9683f177bb120be78a5a16483682c85236afc78dba6b4b7
154 Risk Score

Malware Insights

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

The PDF file contains numerous links pointing to compromised WordPress sites and disposable domains, indicative of a link farm used for phishing or malware distribution. The ClamAV detection and ML classifier strongly suggest malicious intent, likely related to phishing or trojan delivery via these external links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6210

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://drafthe.ru/uplcv?utm_term=2nd+arc+report+summary+pdf+free+download PDF link annotation
    • http://dachastyle.com/userfiles/file/67323604676.pdfIn PDF document text
    • https://leesman.com/wp-content/plugins/super-forms/uploads/php/files/af460fa0d7494cda3b64b490ffafb3bc/wefinukifevuge.pdfIn PDF document text
    • https://www.natursany.com/ckfinder/userfiles/files/91746558438.pdfIn PDF document text
    • http://www.yourhealthyourchoice.org/wp-content/plugins/formcraft/file-upload/server/content/files/160a3071819e16---wijedojomawixiwuv.pdfIn PDF document text
    • https://cuisinescartier.ca/upload/editor/file/16777001257.pdfIn PDF document text
    • http://beiwendq.com//data/attachment/file/62137887263.pdfIn PDF document text
    • https://apexforestservices.com/wp-content/plugins/formcraft/file-upload/server/content/files/160e79878c521b---23374706212.pdfIn PDF document text
    • http://www.iamgoingto1996.com/wp-content/plugins/formcraft/file-upload/server/content/files/160ac2acef32b2---deratosulovetekupevurad.pdfIn PDF document text
    • http://beiwendq.com//data/attachment/file/87291950626.pdfIn PDF document text
    • http://homeshopeez.com/uploaded_files/userfiles/files/95607237374.pdfIn PDF document text
    • http://israel-aliya.com/wp-content/plugins/super-forms/uploads/php/files/76e1a13d646605528de6a778840508af/kobivapomolelinikifadon.pdfIn PDF document text
    • https://almudenafernandez.co/ckfinder/userfiles/Files/bipojipobunapu.pdfIn PDF document text
    • http://stopasbestos.ca/wp-content/plugins/formcraft/file-upload/server/content/files/16092898ec0ab5---49097973252.pdfIn PDF document text
    • http://woonhuislift.info/wp-content/plugins/formcraft/file-upload/server/content/files/160870fd00a68c---nuxibigize.pdfIn PDF document text
    • http://atreve.eu/ubezpiecz/obrazy/file/zikizilinat.pdfIn PDF document text
    • http://chsbicentennialclassof1976.com/clients/c/c2/c283bfa2537a82fb79a670aa087b4bd4/File/tasadixakabodobazuledal.pdfIn PDF document text
    • https://www.verpoort-bouw.be/wp-content/plugins/formcraft/file-upload/server/content/files/16084d3c3b1d6f---lewamofudedog.pdfIn PDF document text
    • https://dispecom.com/cms_dispecom/sgi_userfiles/userfiles/files/8016957035.pdfIn PDF document text
    • https://topinsolventa.ro/userfiles/file/27069292874.pdfIn PDF document text
    • http://movitecnic.fr/ressource/site-image/files/xidadekugakatifowotab.pdfIn PDF document text
    • http://mfplus.ba/wp-content/plugins/formcraft/file-upload/server/content/files/1609b05db3fff7---57157493966.pdfIn PDF document text
    • https://www.simplythebestevents.ca/wp-content/plugins/formcraft/file-upload/server/content/files/160ddb3d725de0---5055186003.pdfIn PDF document text
    • https://omomediacion.com/wp-content/plugins/super-forms/uploads/php/files/a855ec1bb690f05dd7961c20dee208d3/nulirudel.pdfIn PDF document text
    • http://www.primalegal.eu/wp-content/plugins/super-forms/uploads/php/files/pjhdp7gioqgq0ai5utg75m7lf1/wegebofon.pdfIn PDF document text
    • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/1608efe99591ad---57894564276.pdfIn PDF document text
    • https://www.ftha.org/admin/ckfinder/userfiles/files/xitejiwajiwowatutubexav.pdfIn PDF document text

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