Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e0638bd6bed90fa…

MALICIOUS

PDF

51.6 KB Created: 2021-06-09 09:30:56 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-13
MD5: 0fc8b628ccb75a0fde5202d4c5932707 SHA-1: 4c4aa0f5c12ac8627ef3b7ea0dfe995f3f6ad550 SHA-256: 7e0638bd6bed90fa8e83f2beeb510df289a202194a6cbc14119588e38fc31333
154 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous links, many pointing to compromised WordPress sites, suggesting a link farm designed to redirect users to malicious content. The presence of a ClamAV detection for 'Pdf.Phishing.Trojan' and ML classification further supports its malicious nature. The document body, though heavily obfuscated, contains references to 'Parasite movie 123movies' and the authoring application 'wkhtmltopdf', indicating a potential lure for users seeking entertainment content.

Machine Learning

  • Nyx PDF Classifier malicious score 0.7129

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://chcial.ru/uplcv?utm_term=parasite+movie+123movies PDF link annotation
    • http://www.sunarpazarlama.com/wp-content/plugins/super-forms/uploads/php/files/3tbrcng1uhc6gips5perfbi8p1/gejuxuzag.pdfIn PDF document text
    • http://www.sbawerribee.com.au/wp-content/plugins/formcraft/file-upload/server/content/files/160b4d73bbeb59---19899524664.pdfIn PDF document text
    • https://jgmurphy.com/wp-content/plugins/super-forms/uploads/php/files/0cc2a873af3e3e3f13986492b477f203/76749898132.pdfIn PDF document text
    • https://www.caesarstravel.com/wp-content/plugins/formcraft/file-upload/server/content/files/160b42f0476a24---33052575085.pdfIn PDF document text
    • http://www.gametimecatering.com/wp-content/plugins/formcraft/file-upload/server/content/files/16072a61c8f4d6---difafimexan.pdfIn PDF document text
    • http://filtrydokoparek.pl/img/all/zegupub.pdfIn PDF document text
    • https://valve-toho.com/userfiles/file/84111045945.pdfIn PDF document text
    • http://adanateknikservis.web.tr/wp-content/plugins/formcraft/file-upload/server/content/files/1606f5a23399f6---dapivapakodo.pdfIn PDF document text
    • http://klingende-zeder.de/wp-content/plugins/formcraft/file-upload/server/content/files/160af5d6a6709e---bexeduderepidotiwimidijuw.pdfIn PDF document text
    • https://cualuoihoanmy.com/uploads/userfiles/file/kidijokizuxifunatesudinox.pdfIn PDF document text
    • http://collegium-connect.nl/ckupload/files/57398496943.pdfIn PDF document text
    • https://coastalstudio.com/images/main/file/10175229228.pdfIn PDF document text
    • https://advancedbusiness.co/wp-content/plugins/super-forms/uploads/php/files/c8014ec9d64b717d6561b4269d4fc0e7/5813431907.pdfIn PDF document text
    • https://amkboiler.com/wp-content/plugins/super-forms/uploads/php/files/jc4mvs2rasdh8mq1p2khuhf7l9/pulafetefakixinimim.pdfIn PDF document text
    • https://angkalaris.com/contents//files/45726383696.pdfIn PDF document text
    • http://rocincorporated.com/domain.com/images/dynamic_pages/file/47753109125.pdfIn PDF document text
    • https://jclifeschools.org/wp-content/plugins/super-forms/uploads/php/files/f270c1e92e4fc002a649efbe9271f044/820461214.pdfIn PDF document text

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