Malicious PDF — malware analysis report

Static analysis result for SHA-256 af2a4f69d32247cf…

MALICIOUS

PDF

72.2 KB Created: 2021-02-26 07:20:39 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-17
MD5: ed136401eaf79383b7d639d4ab4f7ef6 SHA-1: 8b3f2a8cd49f5a381d4f5e9013d3424756742f9b SHA-256: af2a4f69d32247cf50e2968cfd64104b9eee4a24a9226351f386fe1ccb465b86
94 Risk Score
Tags
free-cdn-ebook-manual-lure

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious. It contains an embedded URI pointing to a suspicious domain, which is likely used to host a malicious payload or phishing content. The document body, though heavily obfuscated, suggests a lure related to a book summary.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9533

Heuristics 3

  • 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
  • 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://druttle.ru/award?keyword=the+red+pyramid+chapter+11+summary PDF link annotation
    • http://pajebunekelisom.22web.org/siwalogelomelarebogibulux.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4385887/normal_601af4e316f66.pdfIn PDF document text
    • http://poradoit2.site/the_minds_of_billy_milligan_quotesxbh4s.pdfIn PDF document text
    • http://muxonobugimaki.22web.org/sojosujomuponewafebawo.pdfIn PDF document text
    • http://heleogose.online/206207352040qacg.pdfIn PDF document text
    • http://autokenn.com/weather_report_for_charles_town_wv0u6xk.pdfIn PDF document text
    • http://anarchymedya.com/bahubali_film_full_hd_video_songhv1tv.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4406812/normal_60194ba74818b.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://juranakowi.rf.gd/keto_meal_plan_worksheet.pdfIn PDF document text
    • https://s3.amazonaws.com/lomogas/how_to_drain_ao_smith_promax_water_heater.pdfIn PDF document text
    • http://jixepazesobuno.rf.gd/what_does_it_mean_to_have_spiritual_authority.pdfIn PDF document text
    • http://daxuwogeme.epizy.com/how_to_setup_dlink_dcs-932l.pdfIn PDF document text
    • http://lavebaku.rf.gd/what_is_the_formula_for_half_life_in_physics.pdfIn PDF document text
    • https://s3.amazonaws.com/dukavunivifa/vekemawarug.pdfIn PDF document text
    • https://s3.amazonaws.com/defujo/valvular_heart_disease_guidelines_2017_ppt.pdfIn PDF document text
    • https://s3.amazonaws.com/jusuberu/75879071329.pdfIn PDF document text
    • https://s3.amazonaws.com/gifojuxaxeva/virizixobupenubokaxuvize.pdfIn PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 1

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0001114c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1114C 5384 bytes
SHA-256: f4549a16e3b4f80cc95d8795c4b1ef6f80154c4bbcfccfe801b4f7f6d57ef1b2

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