Malicious PDF — malware analysis report

Static analysis result for SHA-256 47bd21663251cc22…

MALICIOUS

PDF

66.3 KB Created: 2021-07-14 06:42:26 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: 6757718a2996e5d7f4e6a2a1aa62bcad SHA-1: 3d5b4f0a09455937949c8089da30e9f46f06b6ae SHA-256: 47bd21663251cc22f79f6c28c36b289ed80bb7a9936f628fd34c3404f988e7ce
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous embedded URLs, many of which point to compromised CMS upload storage or disposable hosting, suggesting a link farm designed to redirect users to malicious content. The ClamAV detection and ML classifier further indicate malicious intent, likely phishing or malware distribution. No scripts were extracted, but the structure and URL patterns are strongly indicative of a malicious PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.5094

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://nomylo.ru/uplcv?utm_term=crossing+the+midline+exercises PDF link annotation
    • https://123kozijnofferte.nl/wp-content/plugins/super-forms/uploads/php/files/099h26n0ut9u5cop8djeolibm5/winoviwigivakodozar.pdfIn PDF document text
    • https://yar-net.ru/userfiles/file/misiwesegifawusupanuve.pdfIn PDF document text
    • http://brighterhealthcare.co.uk/wp-content/plugins/super-forms/uploads/php/files/eih7klpqqbd96rmvqrtprlkl7k/98138969549.pdfIn PDF document text
    • http://www.finanzanlagen-honorarberatung.de/wp-content/plugins/formcraft/file-upload/server/content/files/160a1c134c42f2---25234865361.pdfIn PDF document text
    • https://www.citysecurity.org.uk/wp-content/plugins/super-forms/uploads/php/files/g80udigutcbr9436h922l1kgda/47603407358.pdfIn PDF document text
    • https://medok18.ru/wp-content/plugins/super-forms/uploads/php/files/32c438919ebf2d7ffa0b489e9fb2c4ce/28136094780.pdfIn PDF document text
    • https://chogmai.org/ckfinder/userfiles/files/gazakabiku.pdfIn PDF document text
    • http://przychodnia-felinskiego.pl/uploads/editor/file/26645775097.pdfIn PDF document text
    • https://jamiatulbanat.in/wp-content/plugins/formcraft/file-upload/server/content/files/1609c4906d27d6---girimufegevisupe.pdfIn PDF document text
    • http://amwordpress.org/wp-content/plugins/formcraft/file-upload/server/content/files/16096784e35943---fexekutemexapimabuba.pdfIn PDF document text
    • http://www.altrus.pl/wp-content/plugins/formcraft/file-upload/server/content/files/1607a9cc8ccc95---22087149621.pdfIn PDF document text
    • http://adhdadvisory.com/wp-content/plugins/formcraft/file-upload/server/content/files/16090c7cfe16f3---gonilef.pdfIn PDF document text
    • http://thefutureofgolf.eu/wp-content/plugins/formcraft/file-upload/server/content/files/16089208cde75c---dazunisifujebiz.pdfIn PDF document text
    • https://electrabicycles.pl/app/webroot/uploads/file/16205921967166.pdfIn PDF document text
    • http://uat.ideadunes.com/projects/ideadunes-portfolio-site/wp-content/plugins/formcraft/file-upload/server/content/files/160bb4e3399a14---68592521192.pdfIn PDF document text
    • http://e-pisanie-prac.pl/famprojekt_z_serwera/images/file/32037213717.pdfIn PDF document text
    • http://branpc.in/ckfinder/userfiles/files/tebuwodurelop.pdfIn PDF document text
    • http://jingluo.net/uploadfiles/files/xarikosoluvogeper.pdfIn PDF document text
    • https://fieldofgreen.com/wp-content/plugins/super-forms/uploads/php/files/9d056d44f854775a1c8641299f321359/29646620177.pdfIn PDF document text
    • http://afgventuregroup.com/cfiles/file/fimefixufixevulufo.pdfIn PDF document text
    • https://fietenhaardenenkachels.nl/wp-content/plugins/formcraft/file-upload/server/content/files/160a33c99db4eb---46845657290.pdfIn PDF document text
    • http://hzdshg.com/images/upload/File/70421085170.pdfIn PDF document text
    • http://www.findvoters.com/userfiles/file/68223638678.pdfIn PDF document text
    • https://www.myjamaicais.com/wp-content/plugins/super-forms/uploads/php/files/2dce06b0ac56dbffa8953d5e4ee1c815/55391374792.pdfIn PDF document text
    • http://cargo3030.ru/wp-content/plugins/formcraft/file-upload/server/content/files/1609f17ace9154---betaxulesevugokalesapo.pdfIn PDF document text
    • https://rmp-familienanzeigen.de/cms/files/ginenav.pdfIn PDF document text

Open this report in the interactive analyzer, or submit your own file for analysis.