Malicious PDF — malware analysis report

Static analysis result for SHA-256 6312459985c3a024…

MALICIOUS

PDF

78.1 KB Created: 2021-02-28 16:44:06 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-15
MD5: 07d61f1897232425dbaa61529e745da9 SHA-1: c05ed76ca04777f71d1194c91b8f2b41173ba249 SHA-256: 6312459985c3a0248c67bede640df061a38ddcb65ca2199375be3091ab188291
96 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 as malicious by ML classifiers and ClamAV, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, 'soxebez.ru', which is likely the primary destination for the malicious payload or phishing content. The document body, though heavily obfuscated, includes a title related to spiritual discernment, suggesting a social engineering lure.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://soxebez.ru/strik?utm_term=how+to+develop+spiritual+gift+of+discernment PDF link annotation
    • https://cdn.sqhk.co/varaxupumami/jjK7j0t/vivijoxesijizowezajaj.pdfIn PDF document text
    • http://penoligis.22web.org/how_to_avoid_talking_to_someone_you_dont_like.pdfIn PDF document text
    • https://cdn.sqhk.co/wezufunin/shaEgiS/real_bike_racing_game_download_for_pc.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4476275/normal_6003dc7228fde.pdfIn PDF document text
    • https://cdn.sqhk.co/gitovera/sWfgh00/camera_sensitivity_for_pubg_mobile_lite.pdfIn PDF document text
    • http://bodugupuk.22web.org/gunizozoxukoludabavaju.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4369503/normal_5fdfa6144f9cd.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4426955/normal_5fe0b976b982b.pdfIn PDF document text
    • https://cdn.sqhk.co/xotosira/sZgibjh/idle_hero_defense_guide.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4471085/normal_6036653e46628.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/bifamomove/alliance_laundry_systems_programming_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/nuxomigo/best_expense_report_app_2019.pdfIn PDF document text
    • http://renubinivudeti.epizy.com/26188937314.pdfIn PDF document text
    • https://s3.amazonaws.com/matogapibelifiv/rational_functions_real_life_examples_with_answers.pdfIn PDF document text
    • https://s3.amazonaws.com/palevijuj/81652497653.pdfIn PDF document text
    • https://s3.amazonaws.com/lizuseguwix/58369799897.pdfIn PDF document text
    • https://s3.amazonaws.com/kulinisokakewi/sql_server_2008_r2_developer_edition.pdfIn PDF document text
    • https://s3.amazonaws.com/jarirotexab/anandamanandamaye_telugu_movie.pdfIn PDF document text
    • https://s3.amazonaws.com/jafujasiwetid/english_grammar_in_kannada_language.pdfIn PDF document text
    • https://s3.amazonaws.com/liguwubore/velixuwebigur.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_off0000f43d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF43D 5588 bytes
SHA-256: d8b987c1e5f414ce7fbcca4bc873b90903fda00d09ad54a3d1c7c14472956581
font_01_sfnt_off00010743.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x10743 10300 bytes
SHA-256: 4ffd3f1bfd30361c15f7350e0c2ec43d01700c74b08cf87f248d1abbea1661a6

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