Malicious PDF — malware analysis report

Static analysis result for SHA-256 ee0e9a4837bcb2a7…

MALICIOUS

PDF

101.7 KB Created: 2021-03-27 10:24:48 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 5aca3c5fcafa4c86a944c675cf1fef24 SHA-1: 33b8840526d3c7226837ebab8f02ae30854caa3d SHA-256: ee0e9a4837bcb2a7d88eb8900888499dda0611496a60caa24b0e0310a625d248
136 Risk Score

Malware Insights

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

The sample is a PDF document that exhibits characteristics of an advance-fee scam, as indicated by the 'SE_ADVANCE_FEE_SCAM_LURE' heuristic. It contains an embedded URL that points to a domain associated with malicious activity, likely serving as a lure for phishing or malware distribution. The ML classifier and ClamAV detection further support its malicious nature.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

Heuristics 5

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • Advance-fee lottery/parcel scam lure high SE_ADVANCE_FEE_SCAM_LURE
    Document contains lottery/beneficiary or prize language together with large-value draft/funds wording and parcel/courier delivery requirements. This is a classic advance-fee fraud document shape.
  • 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://kuzutuzo.ru/strik?utm_term=language+in+mind+an+introduction+to+psycholinguistics+ebook
    • http://fb-pageunderreview.com/sajirakitexololotupomy7ssv.pdf
    • http://netolenogafa.getenjoyment.net/bankable_feasibility_study.pdf
    • http://mon-cmbretagne.best/electrical_checklist_in_excel_formatw8gry.pdf
    • http://xekaminam.22web.org/best_interactive_reader_for_ipad.pdf
    • http://gallery-shop.site/seventh_day_adventist_church_songs_freewzpih.pdf
    • http://viwoxufegoger.sportsontheweb.net/32214962974.pdf
    • http://xujilutobidiko.iblogger.org/wimime.pdf
    • http://sezewadiwun.22web.org/catarina_a_grande.pdf
    • http://kodiludo.iblogger.org/list_of_most_common_latin_words.pdf
    • http://5coupons.info/6.0_powerstroke_turbo_pipe_replacementjf2k5.pdf
    • http://zugawumaz.22web.org/epson_perfection_v370_photo_manual_svenska.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://71e5fc8e-cc9a-4633-96c3-2c70acd464d0.filesusr.com/ugd/f08e01_fab51b575f9f4d379a4933b9ea799d6a.pdf?index=true
    • http://rujesuluxure.rf.gd/the_kingdom_of_this_world_chapter_summary.pdf
    • http://xuvekixofeku.onlinewebshop.net/auto_driver_installer_windows_7_free_download_32_bit.pdf
    • http://limuzer.atwebpages.com/plant_virology_lecture_notes.pdf
    • https://uploads.strikinglycdn.com/files/9b9006b1-74d8-4d26-9df9-7462c7222afa/9425176154.pdf
    • http://nixedorufimidax.rf.gd/46187782084.pdf
    • https://uploads.strikinglycdn.com/files/c8246aea-505b-4203-a56d-4a17226bb6b0/how_to_harvard_reference_easily.pdf
    • https://8bbfbdb8-1895-4472-a1c6-9e834ce25a60.filesusr.com/ugd/7deb27_1bc43051857a4943afd0944176e1ddb1.pdf?index=true
    • http://xawoforusur.epizy.com/efset_listening_answers.pdf
    • https://c31d65df-273c-4bcc-acfb-7b03b0724b99.filesusr.com/ugd/e7e4a0_0c7bd2ce4b9844a5a8374a14dfb92ad6.pdf?index=true
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00014be6.bin
eca67c2a95b9679975bfaa2d8a468d5d5e07846b682de1534b4f1277e8d793e4		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14BE6 5732 bytes
font_01_sfnt_off00015f3f.bin
4d3a76e85a88f719230f7c568563e6e0e190bf59d9cf724ad6a904a4ed305742		 pdf-font-stream PDF embedded font (sfnt) at offset 0x15F3F 12372 bytes

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