Malicious PDF — malware analysis report

Static analysis result for SHA-256 d0b584a4144b601a…

MALICIOUS

PDF

57.2 KB Created: 2021-03-14 18:15:01 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 6f053094e68f957906b8d54e00f30b6c SHA-1: 9d9f259b424d10426fb6b3a46d4074dda22f394f SHA-256: d0b584a4144b601ad7517850674a1bc2a06653663449e51739c1828dd2a6bd2f
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 0.7636

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=cours+excel+2020+avanc%25C3%25A9+gratuit+pdf PDF link annotation
    • http://wivikaxebox.medianewsonline.com/gogotojudisodakum.pdfIn PDF document text
    • https://wifadesar.weebly.com/uploads/1/3/5/3/135345928/wuwelozawitilaw.pdfIn PDF document text
    • https://giwitororozesal.weebly.com/uploads/1/3/4/6/134652081/newibujiraw.pdfIn PDF document text
    • https://webexozaputer.weebly.com/uploads/1/3/2/6/132681415/2915566.pdfIn PDF document text
    • http://xuxoxobu.iblogger.org/hemiplegic_gait_analysis_form.pdfIn PDF document text
    • http://vaxiliwu.medianewsonline.com/howard_leight_impact_sport_bolt_electronic_earmuff.pdfIn PDF document text
    • http://vaxiliwu.medianewsonline.com/86751422330.pdfIn PDF document text
    • http://poxumanavofeboz.scienceontheweb.net/carl_jung_dream_interpretation_book.pdfIn PDF document text
    • http://worelimupuvefam.mywebcommunity.org/first_alert_smoke_detector_9120b_chirping.pdfIn PDF document text
    • https://jixinedoxe.weebly.com/uploads/1/3/1/3/131383771/4455226.pdfIn PDF document text
    • https://novatoful.weebly.com/uploads/1/3/0/9/130969934/3178118.pdfIn PDF document text
    • https://cdn.sqhk.co/vujaderaz/gcijjn6/28966761076.pdfIn PDF document text
    • http://femonejigajape.mywebcommunity.org/research_interview_definition.pdfIn PDF document text
    • https://cdn.sqhk.co/nexetifosam/shhJhhp/kulivoxapinegefit.pdfIn PDF document text
    • https://cdn.sqhk.co/zebenane/herFtyE/ihealth_pulsoximeter_po3m_air_smart_pulse_oximeter.pdfIn PDF document text
    • https://diwuxofemuji.weebly.com/uploads/1/3/1/4/131407179/713031.pdfIn PDF document text
    • http://sosefamip.epizy.com/senoxavowaxozesinuvozagu.pdfIn PDF document text
    • http://zipulosi.atwebpages.com/breve_historia_de_los_estados_unidos.pdfIn PDF document text
    • http://gujomodezeroj.epizy.com/82128817141.pdfIn PDF document text

Related samples 8

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