Malicious PDF — malware analysis report

Static analysis result for SHA-256 314f1fa61ad891e6…

MALICIOUS

PDF

64.0 KB Created: 2021-08-04 12:30:57 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-11-24
MD5: 5cd1c1318dd6ffd25b661686a7321268 SHA-1: 96c67f19d684ae80eaf308ff6b3e9b171fba7103 SHA-256: 314f1fa61ad891e638abb04ae28bb823ba7fd84d365c9f2a258b64d8a951b6b0
154 Risk Score

Malware Insights

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

The file is a malicious PDF detected by ClamAV as Pdf.Phishing.Trojan. It contains numerous links, many pointing to compromised WordPress sites, designed to redirect users to potentially malicious content. The PDF's structure suggests it functions as a link farm, likely intended for phishing or distributing further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9560

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://huntic.ru/uplcv?utm_term=what+does+train+sim+world+2020+include PDF link annotation
    • https://lsp.od.ua/wp-content/plugins/super-forms/uploads/php/files/rs7oq5jlb6a8mskitaus88ap37/89999116511.pdfIn PDF document text
    • https://chefinhogourmet.com/wp-content/plugins/super-forms/uploads/php/files/a927d1774fdae627a24ab3c0f8eb4581/sowapi.pdfIn PDF document text
    • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/djf3bof03t9f9ogv35re7416pq/94364543673.pdfIn PDF document text
    • http://dzbnf.com/upload/file///diseromemaxazejenafekaga.pdfIn PDF document text
    • http://dellalontra.it/userfiles/files/nujeluwaragafewarununewiv.pdfIn PDF document text
    • https://syntellect.ru/Repository/file/gadilegunu.pdfIn PDF document text
    • http://theydeserveastamp.org/wp-content/plugins/formcraft/file-upload/server/content/files/1607d1310a82e5---mopexer.pdfIn PDF document text
    • http://alimentosldm.com/userfiles/file/8123008611.pdfIn PDF document text
    • http://cuatro-pr.org/sites/default/files/file/gevogaboz.pdfIn PDF document text
    • http://csc0898.com/userfiles/file/20210612062806_fmhadi.pdfIn PDF document text
    • https://www.elektrobetrieb-scholz.de/wp-content/plugins/formcraft/file-upload/server/content/files/16087378652344---62477741140.pdfIn PDF document text
    • http://edanieltour.com/FileData/ckfinder/files/20210804_29FF7089F248722F.pdfIn PDF document text
    • http://stressmanagement-karriere.de/userfiles/file/42668231480.pdfIn PDF document text
    • http://www.maoles.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608ee9665e291---zategeludusidudetizivud.pdfIn PDF document text
    • http://zamokugrofa.sk/admin/fckeditor/file/4063146072.pdfIn PDF document text
    • http://www.niziointerior.pl/upload/file/72974643663.pdfIn PDF document text
    • http://stroisvias.ru/userfiles/file/pevobus.pdfIn PDF document text
    • https://bf-pomosch.ru/wp-content/plugins/super-forms/uploads/php/files/fhgq5d9v8e97h1t85u5gt4bl57/28487830039.pdfIn PDF document text
    • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/1609a1a526f1ce---molorekoloxufuzivifozila.pdfIn PDF document text
    • http://hwayinn.com/image/files/20210716_060738.pdfIn PDF document text
    • https://netcsemege.hu/ckfinder/userfiles/files/24942660442.pdfIn PDF document text
    • http://chronocertif.com/userfiles/file/nexebijogopetizojidulor.pdfIn PDF document text
    • http://2girlstrippin.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b77a94154ae---93787830882.pdfIn PDF document text
    • https://samarthanamparisara.org/apadmin/uploads/userfiles/files/bujuxewaruxipuzematelizi.pdfIn PDF document text

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