Malicious PDF — malware analysis report

Static analysis result for SHA-256 d05c4906fbb5c59b…

MALICIOUS

PDF

58.2 KB Created: 2021-07-14 07:25:42 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 23b863e5b3066a3e5480029c4d30bd17 SHA-1: 469a4c6d435727d827976d7fbd2aba70c952a456 SHA-256: d05c4906fbb5c59b2b55577fef3e603bc5602d8064ccb8216af5b489ef2aa21c
154 Risk Score

Malware Insights

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

The PDF contains numerous links, many pointing to compromised WordPress sites, suggesting it's designed to lure users to malicious content. The ML classifier and ClamAV detection strongly indicate malicious intent, likely related to phishing or malware delivery through these links.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5801

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://ailani.org/wp-content/plugins/super-forms/uploads/php/files/2fd2e667f39510bef7aabc321023eb88/lubodagan.pdf In PDF document text
    • https://beautyreviveshop.com/newerac2c/userfiles/file/fivaramebule.pdfIn PDF document text
    • https://webtraffic.ch/wp-content/plugins/super-forms/uploads/php/files/hjfjskake44h2cabd82v1cncl6/zawibejowapelif.pdfIn PDF document text
    • https://bakotech.at/uploads/ckeditor/files/38423496960.pdfIn PDF document text
    • https://darkoyunpin.com/calisma2/files/uploads/jelikesawafonaju.pdfIn PDF document text
    • https://cor.org.ar/wp-content/plugins/super-forms/uploads/php/files/48k10d4pbeg8ahpruj46aauled/85522613951.pdfIn PDF document text
    • https://www.baptistenhardenberg.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1607f27ebdf400---70670295594.pdfIn PDF document text
    • http://terapeutickemasaze.eu/wp-content/plugins/formcraft/file-upload/server/content/files/1607281b106fd3---nalin.pdfIn PDF document text
    • https://www.sussexweddingservices.co.uk/wp-content/plugins/formcraft/file-upload/server/content/files/160715175483ac---26437219910.pdfIn PDF document text
    • https://yournew.site/wp-content/plugins/super-forms/uploads/php/files/4nrvjtk8ro471e520hhs6elr1p/tomuxalujadopomunabufi.pdfIn PDF document text
    • https://hafa-verein.de/wp-content/plugins/super-forms/uploads/php/files/1902b45580741288dad5216d9f0a5206/17570359835.pdfIn PDF document text
    • https://medsplus.us/admin/images/file/20291400708.pdfIn PDF document text
    • http://alpanelektrik.com/depo/sayfaresim/file/xuwupumosapavisugutijovos.pdfIn PDF document text
    • http://bjzjygj.com/fckeditor/editor/filemanager/connectors/php/userfiles/file/9177864766.pdfIn PDF document text
    • https://bjjewels.net/nbloom/fckuploads/file/8190073938.pdfIn PDF document text
    • http://countrysquirefoods.com/wp-content/plugins/formcraft/file-upload/server/content/files/16077133a0f52f---98461772584.pdfIn PDF document text
    • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/8vk8nt31lshkb0mg8u3tn080j5/raxomawogovusixovalujus.pdfIn PDF document text
    • https://roweryelectra.eu/app/webroot/uploads/file/16199731326158.pdfIn PDF document text
    • https://fitnessrev.net/wp-content/plugins/super-forms/uploads/php/files/lfbto9lgtc6noi1jo98v8lti86/pivitatipaxebidajejixex.pdfIn PDF document text
    • http://robbinsfamilyhealthcare.com/clients/2/2c/2c787fa606fc56c3a3a24dfc5409695f/File/modavup.pdfIn PDF document text
    • http://www.adatechotomasyon.net/wp-content/plugins/formcraft/file-upload/server/content/files/1606cbd07d4937---belulitiragogerijuwine.pdfIn PDF document text
    • https://criteriacambio.com.br/wp-content/plugins/super-forms/uploads/php/files/eccom4s8tvtcdl8dnmc3f30r40/mibarononarezer.pdfIn PDF document text
    • http://parkhigh65.com/clients/4970/File/relabuzukukojimav.pdfIn PDF document text
    • https://pyhm.ca/wp-content/plugins/super-forms/uploads/php/files/prmviji5mkhgi5n6qjus2841o7/85607090195.pdfIn PDF document text
    • https://solidpractise.com/files/userfiles/file/tesuvujefim.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/1KS0DP0cxss/uplcv?utm_term=blood+clot+in+neckPDF link annotation

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