Malicious PDF — malware analysis report

Static analysis result for SHA-256 020bdb20342b20f7…

MALICIOUS

PDF

74.9 KB Created: 2021-07-13 23:29:11 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-14
MD5: 2f77463f620d579ddc23cad207c9a9c6 SHA-1: 510b3b18d5009039bb3f133b938c43172c91698a SHA-256: 020bdb20342b20f7a6a5051f3910822ba0ad64898134d833988392a64fbafe24
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a link farm, directing users to multiple external websites. Several of these links point to compromised WordPress upload directories, indicating a potential phishing or malware distribution scheme. The ClamAV detection as 'Pdf.Phishing.Trojan' further supports the malicious nature of this file.

Machine Learning

  • Nyx PDF Classifier malicious score 0.6135

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://www.okcfarmersmarket.com/wp-content/plugins/super-forms/uploads/php/files/ac6430de0a6f39292ac014385fe73d21/zozoxoris.pdf In PDF document text
    • http://lyzebrno.cz/userfiles/file/69833248804.pdfIn PDF document text
    • https://adm.allianceflooring.net/wp-content/plugins/super-forms/uploads/php/files/553e2df88c3230ec3342c5bd8174c6d6/firimufoli.pdfIn PDF document text
    • https://aravlicraft.com/cmsCart//upload/file/lokerukozatebarofuzax.pdfIn PDF document text
    • http://utopiasacramento.org/clients/0/07/071cdeedc048305be324eb10ab8031d4/File/22490596038.pdfIn PDF document text
    • https://promtong.com/promtong/temp/file/vasimejap.pdfIn PDF document text
    • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/16087f66d90da2---60770656953.pdfIn PDF document text
    • http://angelescare.com/userfiles/file/bominozedosozov.pdfIn PDF document text
    • http://discarga.com/wp-content/plugins/formcraft/file-upload/server/content/files/16075cfafb7055---40180072508.pdfIn PDF document text
    • http://inse.us/uploads/images//files/porasozowonamowepimijun.pdfIn PDF document text
    • https://al-farh-iq.com/upload/userfiles/file/jilapodebatiki.pdfIn PDF document text
    • http://studiodrago.eu/userfiles/files/45887628711.pdfIn PDF document text
    • https://maconlux.lu/userfiles/files/48090668449.pdfIn PDF document text
    • http://www.consorcio.edu.pe/wp-content/plugins/formcraft/file-upload/server/content/files/160c217e60d0fa---vegejebetogogesejonumuxu.pdfIn PDF document text
    • http://geoodwierty.pl/files/file/sovabuzotedezajirimadesaf.pdfIn PDF document text
    • https://jaunimodienos.lt/wp-content/plugins/super-forms/uploads/php/files/ja00u88n1j90ntv37r03mqrjae/rezalapulusidogabu.pdfIn PDF document text
    • http://www.microsinusectomi.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607c9cf5701ff---xejoverujarenoma.pdfIn PDF document text
    • http://recamonde.com.br/wp-content/plugins/formcraft/file-upload/server/content/files/160a129c3234c6---nevavurawepulotiduwo.pdfIn PDF document text
    • https://regeneracion-capilar.com/wp-content/plugins/super-forms/uploads/php/files/72e71b6b73588f69f8de826243f426cf/xabimepow.pdfIn PDF document text
    • https://tcufroghouses.com/wp-content/plugins/formcraft/file-upload/server/content/files/1607142d2527fe---tavudiwosonovebir.pdfIn PDF document text
    • http://autoklej.pl/app/webroot/media/files/dumeretaw.pdfIn PDF document text
    • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/160bdef65dd90e---58100711897.pdfIn PDF document text
    • http://www.zopfitravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a49900f1c50---86287706561.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/A3Ryygt5BCM/uplcv?utm_term=chi+square+test+table+valuePDF link annotation

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