Malicious PDF — malware analysis report

Static analysis result for SHA-256 c8c366c2684d487f…

MALICIOUS

PDF

50.6 KB Created: 2021-03-01 09:49:27 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-23
MD5: 82701624f696e044229d2510cc4411b8 SHA-1: 8ad5994336626c6a6fa973dafc4cc1f055fe426f SHA-256: c8c366c2684d487f59493a50614e3da55daf917e2b5129109e709a096b41e188
124 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9372

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://midufefew.ru/aws?utm_term=free+server+side+work+checklist+template PDF link annotation
    • http://masterpowerpoint.com/xejuluwotofolumezmtnxc.pdfIn PDF document text
    • http://vuwefedope.sportsontheweb.net/detotorixadinukosiperi.pdfIn PDF document text
    • http://yandex-delivery.cc/pronoun_antecedent_agreement_worksheetsxyru7.pdfIn PDF document text
    • http://nenidegelivon.22web.org/16709959221.pdfIn PDF document text
    • https://cdn.sqhk.co/wenegifuteg/igJ8Bwp/hobby_lobby_palm_coast_florida_phone_number.pdfIn PDF document text
    • http://wixiziz.iblogger.org/77683394203.pdfIn PDF document text
    • https://cdn.sqhk.co/borefigux/bIjfb5B/worifezafadomavefimo.pdfIn PDF document text
    • http://chaptejvxz.fun/58941119065cot02.pdfIn PDF document text
    • http://twitter-center.com/aaron_furniture_rental_storer6zo3.pdfIn PDF document text
    • http://help-feedback-amzn8.xyz/discrete_mathematics_and_its_applications_5th_editionuagvs.pdfIn PDF document text
    • http://pevisokis.iblogger.org/telecharger_apprendre_l_anglais_gratuit.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4489402/normal_60381b7b92e60.pdfIn PDF document text
    • http://socialwave.me/certificate_of_origin_form_doc5ivxr.pdfIn PDF document text
    • http://mestikon.online/wadavibudagonevcwcu3.pdfIn PDF document text
    • http://cashfree.store/64974014284cyv5u.pdfIn PDF document text
    • https://cdn.sqhk.co/tifobebe/hicHhgz/zoguvupif.pdfIn PDF document text
    • http://jasunusemoki.onlinewebshop.net/after_we_collided_full_movie_english_youtube.pdfIn PDF document text
    • http://vilepobafomunow.atwebpages.com/57233085198.pdfIn PDF document text
    • http://zavimefetemif.epizy.com/alison_wonderland_peace.pdfIn PDF document text
    • http://laxunuwozen.epizy.com/39590537852.pdfIn PDF document text
    • http://pusapovewazigu.onlinewebshop.net/77973399527.pdfIn PDF document text

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