Malicious PDF — malware analysis report

Static analysis result for SHA-256 c0e93b5f923295ef…

MALICIOUS

PDF

75.6 KB Created: 2021-02-21 06:45:41 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 8a1aea896d8046317d0f3b7bedc92aae SHA-1: 144e50c228bd26e6e87b27e532ce4ef3fedcd0cb SHA-256: c0e93b5f923295efddd5161a41e7ce3d17d08def4364db24af9ad4f2b5e0779e
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was flagged as malicious by a machine learning classifier and ClamAV, indicating a high likelihood of malicious intent. The embedded URL points to a suspicious domain, suggesting a phishing or malware distribution attempt. Although no scripts were explicitly extracted, the PDF structure and embedded URI heuristic indicate the document is designed to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • 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://bologen.ru/strik?utm_term=requirements+for+undocumented+driver%2527s+license+ny PDF link annotation
    • http://falifipes.iblogger.org/obusforme_pillow_walmart.pdfIn PDF document text
    • https://cdn.sqhk.co/wukufazujuv/igJ3ibi/outfoxed_game_video.pdfIn PDF document text
    • https://cdn.sqhk.co/panafilaputu/i3ggc3W/rifivapa.pdfIn PDF document text
    • https://cdn.sqhk.co/lodikorep/hiFjixf/bingo_at_home_for_laptop.pdfIn PDF document text
    • https://cdn.sqhk.co/disumuneriva/igdBADy/download_boxcryptor_classic.pdfIn PDF document text
    • https://cdn.sqhk.co/gaduwifawide/JhjJhea/pibizuwodujomosajobudu.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/daniwodug/transunion_deceased_person_credit_report.pdfIn PDF document text
    • http://jojanotesejivi.epizy.com/jeduk.pdfIn PDF document text
    • https://s3.amazonaws.com/bejeseja/36287848099.pdfIn PDF document text
    • http://jutenudolis.epizy.com/mojumezanewevowoxarise.pdfIn PDF document text
    • http://zelogano.epizy.com/91684136952.pdfIn PDF document text
    • http://mutigoniruri.epizy.com/answering_machine_phone_reviews.pdfIn PDF document text
    • https://s3.amazonaws.com/tobovunoberiki/good_morning_gif_photos_free.pdfIn PDF document text
    • http://nimitijas.rf.gd/34020409387.pdfIn PDF document text
    • http://vulitogegitutop.rf.gd/fumudune.pdfIn PDF document text
    • http://zazujipediwa.rf.gd/bujutebazuguzovakuwewod.pdfIn PDF document text
    • http://faxunarin.epizy.com/rspec_controller_testing_template.pdfIn PDF document text
    • https://s3.amazonaws.com/betefowubevat/tapabin.pdfIn PDF document text
    • https://s3.amazonaws.com/pubopelej/study_schedule_template.pdfIn PDF document text
    • http://relimimukavewuj.rf.gd/demoki.pdfIn PDF document text
    • https://s3.amazonaws.com/muxegeza/primary_and_secondary_target_markets_for_your_company.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000ea25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA25 5284 bytes
SHA-256: b4bdeffcddc10f828217e045282b2d10a84fe82ec09c0e2cfa4df0dafb5bc3df
font_01_sfnt_off0000fc25.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFC25 10568 bytes
SHA-256: cb04ca15dba7183bfe4ee8a59b08645ba2d4c1da4879b7e95c150536ca0f440c

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