Malicious PDF — malware analysis report

Static analysis result for SHA-256 927f8613ffe0c11d…

MALICIOUS

PDF

62.7 KB Created: 2021-03-21 00:56:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: 74da53a83ede7dc740827e255e5fa400 SHA-1: cca5b032c2096ce5f65aa97bb80707415943d7c5 SHA-256: 927f8613ffe0c11d8aad534d94f50af1a8da4a43c53e0da19f00c4029cd62947
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds a large number of external links characteristic of an SEO link farm. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9639

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • 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://lozipotod.ru/award?keyword=supply+chain+management+mba+ebook+pdf PDF link annotation
    • https://ponozivodu.weebly.com/uploads/1/3/0/7/130775347/3462765.pdfIn PDF document text
    • http://mazovun.iblogger.org/curso_aprendizajes_clave_secundaria.pdfIn PDF document text
    • http://zdsshop.top/gavorudasefobapaxazusyg2o.pdfIn PDF document text
    • https://gigexozokup.weebly.com/uploads/1/3/2/6/132695408/2454335.pdfIn PDF document text
    • http://sayseedokg.com/751144012037mbj7.pdfIn PDF document text
    • http://belkwigs.com/zizenumarekafolapojom27.pdfIn PDF document text
    • http://svarka-aurora.online/honda_3000_generator_repairl68sh.pdfIn PDF document text
    • https://rogapunuki.weebly.com/uploads/1/3/4/3/134375427/wudabitusa.pdfIn PDF document text
    • http://reduslimitalia-official.site/hedwigs_theme_sheet_music_with_lett5ln1r.pdfIn PDF document text
    • https://leliwigozamik.weebly.com/uploads/1/3/0/7/130738568/jobufoj-nezegugisus.pdfIn PDF document text
    • https://buvonumonub.weebly.com/uploads/1/3/5/3/135304713/wubelobixulag.pdfIn PDF document text
    • http://kernig.pro/howl_and_other_poems_first_editionmaes5.pdfIn PDF document text
    • http://kivutivepew.rf.gd/mumegudukasivazedupepo.pdfIn PDF document text
    • https://s3.amazonaws.com/jedadokuti/mizivawasofifose.pdfIn PDF document text
    • http://kuxadob.rf.gd/59034006047.pdfIn PDF document text
    • https://s3.amazonaws.com/rogugagatuf/ardas_song_mr_jatt.pdfIn PDF document text
    • http://bopulamumu.rf.gd/wudinifix.pdfIn PDF document text
    • http://vifewupanog.epizy.com/2015_chevy_malibu_manual_book.pdfIn PDF document text

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