Malicious PDF — malware analysis report

Static analysis result for SHA-256 6d179f91ab056c06…

MALICIOUS

PDF

65.3 KB Created: 2021-09-02 22:06:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-16
MD5: b5e3e62cdb18b04ca541cef4ce94113e SHA-1: 17bd9a77e3628a859bae6b8d136deb6b39fb40b3 SHA-256: 6d179f91ab056c061f2171fc6f97ba80fa86022ad63fbc0c6ae4253c374c24ba
154 Risk Score

Malware Insights

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

This PDF file was identified as malicious by ClamAV and an ML classifier, indicating it's a phishing trojan. It functions as a link farm, presenting numerous links to external websites, some of which are hosted on compromised CMS platforms. The primary attack pattern involves luring users to click these links, potentially leading to further compromise.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6405

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://adikkedua.com/contents/files/16614825076.pdf In PDF document text
    • http://forglory.cz/ckfinder/userfiles/files/85762643912.pdfIn PDF document text
    • http://www.gesas.it/media/mailinglist/file/futenumefotumoripide.pdfIn PDF document text
    • https://svetplus.com/userfiles/files/zudibiwabesolaxabisijo.pdfIn PDF document text
    • https://www.lesson-online.org/wp-content/plugins/super-forms/uploads/php/files/lu08iotpmighroblll8ofeoum6/18802526824.pdfIn PDF document text
    • http://tscyw.net/userfiles/file/20210622154213_9ps9y2.pdfIn PDF document text
    • https://etre-cheval.fr/Applications/MAMP/htdocs/etre%20cheval/news_pix/file/4804854576.pdfIn PDF document text
    • https://pasarantogel.com/contents//files/perepuradisolowokilulosa.pdfIn PDF document text
    • https://asiaviews.org/wp-content/plugins/super-forms/uploads/php/files/0t7fsgpfbfg95j15f28p4gck74/63962027955.pdfIn PDF document text
    • https://iwnta.com/userfiles/file/1086374821.pdfIn PDF document text
    • http://unipsyclinic.com/userfiles/file/20210811142357.pdfIn PDF document text
    • https://cffcommunications.nl/wp-content/plugins/formcraft/file-upload/server/content/files/1/160e30c76d22eb---10990405566.pdfIn PDF document text
    • http://vijyaiprismcrm.com/userfiles/files/71785412792.pdfIn PDF document text
    • https://miamiuniquelimo.com/wp-content/plugins/formcraft/file-upload/server/content/files/160fd0116ac669---foparamaxa.pdfIn PDF document text
    • https://www.geya99.com/ckfinder/userfiles/files/nilikumuw.pdfIn PDF document text
    • http://st-johnson.com/Uploadfiles/files/36386439830.pdfIn PDF document text
    • http://wych123.com/upload/files/88295224447.pdfIn PDF document text
    • https://eobliecky.sk/userfiles/file/xokasixunuwusej.pdfIn PDF document text
    • https://stonebuild.bg/f/uploads/files/tulaxi.pdfIn PDF document text
    • http://beverly.kopanramen.com/uploads/files/56600889882.pdfIn PDF document text
    • https://messianic.live/wp-content/plugins/super-forms/uploads/php/files/867408d3229ca45e35d509c9fc48e93e/bejugukewizimumufarujode.pdfIn PDF document text
    • http://xn--b1ahhafccpgkb2bxo.xn--p1ai/wp-content/plugins/super-forms/uploads/php/files/60868f362767f108e09ffba06f2f20f7/newizopewibigoridotelak.pdfIn PDF document text
    • http://tubietelbar.hu/uploadfile/xigudomusot.pdfIn PDF document text
    • http://1utilaje.ro/mm/file/kazavibovutelaluve.pdfIn PDF document text
    • https://losaltos.com/wysiwygfiles/file/91260866825.pdfIn PDF document text
    • https://feedproxy.google.com/~r/skout/mBVl/~3/1xuhb7AK25c/uplcv?utm_term=planning+extreme+programming+kent+beck+pdfPDF link annotation

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