Malicious PDF — malware analysis report

Static analysis result for SHA-256 9243f8a5cadb0fb6…

MALICIOUS

PDF

59.9 KB Created: 2021-03-14 04:13:57 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 32b87a5386bff48b232bd72bc1777ae9 SHA-1: 32066368ea64ca698d97f137610236f752ac6fdd SHA-256: 9243f8a5cadb0fb6b662a0e608fd6045a506037887afedbcbfbaba2befe33729
124 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded URLs and heuristics indicate it is a link farm hosted on disposable domains, designed to redirect users to malicious content. The ML classifier and ClamAV detection strongly suggest malicious intent, likely phishing or malware distribution. Although no scripts were explicitly extracted, the PDF structure and embedded URIs point towards a common phishing or malware delivery technique.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9009

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://mezovuduw.ru/award?keyword=tratamiento+nutricional+para+cancer+de+colon+pdf
    • http://peromopativej.mypressonline.com/1_what_are_the_features_of_academic_writing.pdf
    • http://gujozulogisin.scienceontheweb.net/periodic_table_elements_printable.pdf
    • http://delayikapy.xyz/attack_on_titan_final_battle_game_nintendo_switchc4n1e.pdf
    • https://static.s123-cdn-static.com/uploads/4379618/normal_5fcaf38510dbe.pdf
    • http://momivelugi.iblogger.org/99350999896.pdf
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    • http://copyrightsupportforlnstagram.com/how_long_to_heal_after_dental_traumanzkka.pdf
    • http://mufajaku.medianewsonline.com/57688468164.pdf
    • https://cdn-cms.f-static.net/uploads/4365570/normal_60411d90cfe57.pdf
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    • http://litutowi.epizy.com/32532283254.pdf
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    • https://s3.amazonaws.com/dalava/80620461207.pdf
    • http://xepalufozakot.epizy.com/absolutism_and_relativism.pdf
    • https://s3.amazonaws.com/tobobowu/potibajovemajaludawu.pdf
    • https://s3.amazonaws.com/satuja/ford_focus_rs_2003_for_sale.pdf
    • http://menenig.rf.gd/algebra_symbols_and_terms_crossword_puzzle_answers.pdf
    • https://s3.amazonaws.com/rimepusox/19212800999.pdf
    • http://zasemamol.rf.gd/57236039223.pdf
    • https://s3.amazonaws.com/nisoxow/44208734395.pdf
    • http://sipanokule.onlinewebshop.net/petsafe_in_ground_fence_setup.pdf

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