Malicious PDF — malware analysis report

Static analysis result for SHA-256 be65402faa38d5d3…

MALICIOUS

PDF

64.4 KB Created: 2021-05-27 14:13:40 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9d3c285dba398b434e616c5a1d354cd2 SHA-1: 76a7ee989e32d64afe924a597a49366b7963cb26 SHA-256: be65402faa38d5d3212e6237b50154219610e4381b488e9fe096a8978aaddbf2
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF file was detected as malicious by ClamAV and an ML classifier, indicating a phishing or trojan threat. It contains a link farm pointing to multiple compromised websites, likely serving as a distribution point for further malicious content. The presence of external URIs and link farms suggests an attempt to redirect users to malicious sites, potentially for credential harvesting or malware delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7605

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 http://www.pirac.org/wp-content/plugins/super-forms/uploads/php/files/814ee9050d92fe4b040ba5849b8bc277/fidoketag.pdf
    • http://zadonskiy.ru/wp-content/plugins/formcraft/file-upload/server/content/files/160816e0da92be---nogozapeperuvuribaza.pdf
    • http://www.magicapro.it/wp-content/plugins/formcraft/file-upload/server/content/files/16091142d57c2f---javavuvun.pdf
    • https://masterok-kovka.ru/wp-content/plugins/super-forms/uploads/php/files/13a466eae0106f04ee585335badba925/84309734421.pdf
    • https://www.breastcancerfoundation.in/wp-content/plugins/super-forms/uploads/php/files/314d0264390043cecadd7739398b56a4/14793239838.pdf
    • https://humantouchtranslations.com/wp-content/plugins/formcraft/file-upload/server/content/files/1/1608f3f535246f---61384255599.pdf
    • https://414movement.com/wp-content/plugins/super-forms/uploads/php/files/0fa5c8d7d077a3201e77ce7d4ce5cafd/geruda.pdf
    • https://bistro-8.com/wp-content/plugins/super-forms/uploads/php/files/bcb86f86cf8612315f2bb3fe86fc6827/bejufalezamogolij.pdf
    • http://www.miamiairportlimo.net/wp-content/plugins/formcraft/file-upload/server/content/files/16079dba504f29---34070937128.pdf
    • http://ne-moloko.ee/wp-content/plugins/super-forms/uploads/php/files/6b3a049c05523b5c4011886d6f3ec16e/2137147480.pdf
    • https://utilitydiscount.com/wp-content/plugins/formcraft/file-upload/server/content/files/160abd46f4ff38---rubagilozaso.pdf
    • http://epoxidice.ro/mm/file/kupojebaseselimejus.pdf
    • https://fermuar.com/wp-content/plugins/formcraft/file-upload/server/content/files/1608f7df60a08d---sijejamew.pdf
    • https://precisionautoandac.com/wp-content/plugins/super-forms/uploads/php/files/ae7f277a9310bd6137919e27efad6c1e/14510614080.pdf
    • https://asset-books.com/userfiles/file/tofogejof.pdf
    • http://sillajen.com/fckeditor/_upload/file/wavij.pdf
    • http://americanpetrochemicals.com/customers/CMS-IMAGES/file/gepugowodusezuzumi.pdf
    • https://feedproxy.google.com/~r/1eyvgo/aqOO/~3/DOqCt-cVA4I/uplcv?utm_term=diploma+in+automobile+engineering+distance+education+in+tamilnadu

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