Malicious PDF — malware analysis report

Static analysis result for SHA-256 b07df9fbe9763f6a…

MALICIOUS

PDF

50.3 KB Created: 2021-03-09 16:41:35 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 4e22eee7056acf07844f91e0af91f2a7 SHA-1: 860a8280784f65848f9a5ef14097311b29dcec18 SHA-256: b07df9fbe9763f6a04af1f54047a88386aa58b3f6e5717a0316121ecfd568707
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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 0.6561

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://seumenha.ru/award?keyword=benim+hocam+2020+kpss+tarih+video+ders+notlar%25C4%25B1+pdf PDF link annotation
    • http://fimewot.xyz/how_long_to_cook_frozen_chicken_burger_on_george_foreman_grill8z4oe.pdfIn PDF document text
    • http://sesosorav.iblogger.org/top_10_bollywood_movies_sites_2019.pdfIn PDF document text
    • http://selozufuwadapuw.66ghz.com/57606784646.pdfIn PDF document text
    • http://bestrongbyg.com/lanexh434n.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4369900/normal_603be8c2e7e04.pdfIn PDF document text
    • http://chebsvet.ru/xatikasirezikaxokyin23.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4486367/normal_5fc7c484dc4bc.pdfIn PDF document text
    • http://tipatav.22web.org/percy_jackson_2020_movie.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4447436/normal_6009ff3ac7355.pdfIn PDF document text
    • http://dexowowijovovu.iblogger.org/fly_away_violin_sheet_music.pdfIn PDF document text
    • http://pafekusiwajida.66ghz.com/fevenanolibojak.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4410432/normal_6012b75ca66cd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4481154/normal_5fe2c26167c17.pdfIn PDF document text
    • https://s3.amazonaws.com/loneminovu/20497597413.pdfIn PDF document text
    • http://gijawiravutul.epizy.com/java_9_mac.pdfIn PDF document text
    • http://genolewedusu.myartsonline.com/calendario_2020_mexico_con_dias_festivos.pdfIn PDF document text
    • http://rawuwad.epizy.com/national_glamour_day_shopping_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/lovomijelun/godavevawosodip.pdfIn PDF document text
    • https://s3.amazonaws.com/farezelof/competitor_product_analysis_template_excel.pdfIn PDF document text
    • https://s3.amazonaws.com/fibesezati/32437459599.pdfIn PDF document text
    • http://jegovogetaferop.epizy.com/how_to_prepare_for_gastric_bypass_surgery.pdfIn PDF document text
    • http://belibivizonojo.myartsonline.com/80325092153.pdfIn PDF document text