Malicious PDF — malware analysis report

Static analysis result for SHA-256 6de212da00ef815f…

MALICIOUS

PDF

67.0 KB Created: 2021-09-17 19:44:45 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-27
MD5: 97332b0c8086089fb0f7bfbed31965d7 SHA-1: f3a1097f61a5f3b71a8f600d02389d5807610823 SHA-256: 6de212da00ef815f055e0b12de418a508cf555a9c9efc1e42168ad7510442e40
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. It contains numerous external URIs and links to compromised CMS uploads, suggesting a phishing or malware distribution scheme. The presence of embedded URLs indicates an attempt to redirect the user to malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6756

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://inwebjor.ru/uplcv?utm_term=fun+for+the+secret+seven+pdf PDF link annotation
    • https://natatourism.com/userfiles/files/suduvenulapade.pdfIn PDF document text
    • http://accessprecision.com/userfiles/file/lafirorexopewa.pdfIn PDF document text
    • http://artsar.pl/userfiles/file/watovinulupeg.pdfIn PDF document text
    • https://wilsonbarrera.com/inicio/wp-content/plugins/formcraft/file-upload/server/content/files/1613cc55e152d4---pokewusifavo.pdfIn PDF document text
    • http://studioarchterreni.it/userfiles/files/68247083390.pdfIn PDF document text
    • http://www.travelwithtaangoo.com/img/file/legovonixadipajikud.pdfIn PDF document text
    • https://www.web2business.pt/wp-content/plugins/formcraft/file-upload/server/content/files/1613419656ad64---lizelogepesoladijenobode.pdfIn PDF document text
    • https://dongytueduc.com/wp-content/plugins/super-forms/uploads/php/files/6u1aahmfhlqg4qjbq97tburhjq/dawilanamofamuduk.pdfIn PDF document text
    • http://visit-pune.com/userfiles/file/xitalupudufilumegor.pdfIn PDF document text
    • https://www.tri-or.fr/tri-or/ckfinder/userfilesfiles/rubos.pdfIn PDF document text
    • http://webminmax.com/userfiles/file/67279988653.pdfIn PDF document text
    • http://lamekatus.ee/uploads/ckeditor/files/muwajakalijedevexojofuva.pdfIn PDF document text
    • http://www.kzhep.in.ua/wp-content/plugins/super-forms/uploads/php/files/rulfatds058uv4iofi921sb1t1/80606791143.pdfIn PDF document text
    • https://greenbins.ca/ckfinder/userfiles/files/94457389798.pdfIn PDF document text
    • https://www.generalutilities.com/wp-content/plugins/formcraft/file-upload/server/content/files/1614099cbe3f15---zubilowozovufis.pdfIn PDF document text
    • https://bepcongnghiepphuchung.vn/userfiles/file/46737066201.pdfIn PDF document text
    • https://dsodrecital.com/wp-content/plugins/formcraft/file-upload/server/content/files/161408ee49be84---20887286072.pdfIn PDF document text
    • https://budgetparking.ca/admin/uploads/file/76750636196.pdfIn PDF document text
    • http://citygclub.com/ckupload/files/9918725982.pdfIn PDF document text
    • http://riccaassociati.eu/userfiles/files/gusavokakosoteretizazijet.pdfIn PDF document text
    • https://organicearthfiji.com/documents/file/15874514123.pdfIn PDF document text
    • https://www.willmarshelter.com/ckfinder/userfiles/files/nanerefirena.pdfIn PDF document text

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