Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e4e3dee4b57a945…

MALICIOUS

PDF

64.0 KB Created: 2021-09-02 17:46:30 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 5.11.3) First seen: 2021-10-12
MD5: be37dbc9061e6a409a6083fd2b08c8e1 SHA-1: d1b42ed91eb19d1f9a3e48f56120941dc9fd069c SHA-256: 7e4e3dee4b57a945e658b2256dfce8ec2e4ac1842ac34b711ace41897a12f497
144 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV. Static analysis revealed numerous embedded URLs, many pointing to compromised CMS upload directories and disposable domains, indicating a link farm designed to redirect users. The presence of a raw IP address in one of the URIs further suggests malicious intent, likely to host phishing content or distribute further malware.

Machine Learning

  • Nyx PDF Classifier suspicious score 0.4667

Heuristics 6

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Clickable URI points to raw IP address medium PDF_URI_IP_LITERAL
    PDF contains a clickable HTTP(S) action whose host is a literal IPv4 address. Legitimate documents normally link to named domains; raw-IP destinations are common in disposable phishing and malware-delivery infrastructure.
  • 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.hydro-tg.pro/upload/file/fipidefoji.pdf In PDF document text
    • https://digidatadecolombia.com/wp-content/plugins/super-forms/uploads/php/files/aacf0c628bc513fcd6afdcea5408bbc4/zutelizenogokifutazozenod.pdfIn PDF document text
    • https://ailani.org/wp-content/plugins/super-forms/uploads/php/files/fce4e2592d38b5f8a4c565cfc0c1683d/36767974974.pdfIn PDF document text
    • http://bensonlandscape.com/editorData/file/44077636458.pdfIn PDF document text
    • https://tvsporedi.si/vsebina/tasetemojokad.pdfIn PDF document text
    • http://tuderprogettazione.it/userfiles/files/96123448708.pdfIn PDF document text
    • http://chalappuram.com/userfiles/file/wufelomuputoravisefe.pdfIn PDF document text
    • http://79.170.40.182/boothtastic.com/wp-content/plugins/formcraft/file-upload/server/content/files/16094d5c501cce---43996995042.pdfPDF link annotation
    • https://rpitrade.com/ckfinder/userfiles/files/paxit.pdfIn PDF document text
    • https://aquatim.ro/uploads/files/4641150196.pdfIn PDF document text
    • http://euro520.net/userfiles/file/16248223461889577851.pdfIn PDF document text
    • http://www.sparkprototypes.com/wp-content/plugins/formcraft/file-upload/server/content/files/160825c947f2fd---51220895743.pdfIn PDF document text
    • http://artmetinc.com/wp-content/plugins/formcraft/file-upload/server/content/files/160a2e139a9327---wemijuxixebobifesokijo.pdfIn PDF document text
    • http://dienlanhlongan.com/upload/files/nudobirufamafuradabaxetoz.pdfIn PDF document text
    • http://www.elsecretodelolivo.com/wp-content/plugins/formcraft/file-upload/server/content/files/16076d36ab9aab---35772864071.pdfIn PDF document text
    • http://etkindenetim.com/resimler/files/zuzizokano.pdfIn PDF document text
    • https://www.rogierstoel.nl/wp-content/plugins/super-forms/uploads/php/files/h5tvcokgdlf9plgv6408ukkimn/48489216418.pdfIn PDF document text
    • http://aunay-sous-auneau.fr/ckfinder/userfiles/files/wixakoxeguxurenawivefige.pdfIn PDF document text
    • http://xn--12cmi2byac9cdhd0hra6d7bxkwbgj1gch.com/user_img/files/37929150082.pdfIn PDF document text
    • https://robinio.de/wp-content/plugins/super-forms/uploads/php/files/e93bp12tmq1nts0jv70e5q6ttu/burebakakowu.pdfIn PDF document text
    • http://chinoboxingclub.com/clients/36032/File/xifevalolinakodeb.pdfIn PDF document text
    • http://meuble-tunisie.com/userfiles/file/gafolotonotazobogurafimo.pdfIn PDF document text
    • http://trainternational.in/wp-content/plugins/formcraft/file-upload/server/content/files/16096007cee661---25194793523.pdfIn PDF document text
    • http://ednak.com/wp-content/plugins/formcraft/file-upload/server/content/files/1610d2f48214b6---29265811302.pdfIn PDF document text
    • http://nuovartea.eu/userfiles/files/tobekarifatavunafamut.pdfIn PDF document text
    • http://steakclubhn.com/campannas/file/xopafimazozojikuxo.pdfIn PDF document text
    • https://feedproxy.google.com/~r/Uplcv/~3/LPIa9PGmDLg/uplcv?utm_term=manqoos+moulid+pdf+file+downloadPDF link annotation

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