Malicious PDF — malware analysis report

Static analysis result for SHA-256 0ccbb8956056afc7…

MALICIOUS

PDF

80.7 KB Created: 2021-02-28 21:11:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: f9a82445e0755223d960348f1db28461 SHA-1: 1b785179fd3b892470de0ed642a3dca7511c12d1 SHA-256: 0ccbb8956056afc7a4d8a193189ca80583c1a792034e6a2add4104e0bf18182c
96 Risk Score

Malware Insights

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

The file is a PDF document flagged by ClamAV as Pdf.Phishing.Trojan. The embedded URL 'https://xezojetit.ru/123?utm_term=junior+internal+auditor+jobs+in+south+africa' suggests a phishing lure related to job opportunities. While no scripts were explicitly extracted, the PDF structure and the presence of external URIs are indicative of malicious intent, likely to redirect the user to a malicious site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2528dad23a95d95-d2528dad23a95d95-10044376-0
  • 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://xezojetit.ru/123?utm_term=junior+internal+auditor+jobs+in+south+africa
    • http://tokexal.medianewsonline.com/daxukevegazenewoboxexotef.pdf
    • https://cdn-cms.f-static.net/uploads/4366017/normal_601bfcaa33995.pdf
    • http://sidufapas.mywebcommunity.org/madame_bovary_cast_2014.pdf
    • http://kenugizi.getenjoyment.net/34027121402.pdf
    • http://vifijes.22web.org/new_acls_guidelines_lidocaine.pdf
    • https://cdn-cms.f-static.net/uploads/4415783/normal_5fdc730b08091.pdf
    • http://povulofi.mywebcommunity.org/predictive_analytics_tools_for_hr.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://vejimugar.epizy.com/wegepovodixibekuxuro.pdf
    • http://pujumek.myartsonline.com/5832250301.pdf
    • https://s3.amazonaws.com/minaxigevani/bepuxopitudamogedox.pdf
    • http://woranuganavot.myartsonline.com/18415893885.pdf
    • https://s3.amazonaws.com/polexebuj/64625589759.pdf
    • http://dopodisimedu.epizy.com/beyonce_performance_in_ambani_wedding.pdf
    • http://jafixomedimun.onlinewebshop.net/how_to_reset_a_hunter_sprinkler_system.pdf
    • https://s3.amazonaws.com/tesotiwapax/amour_plastique_piano_sheet_music.pdf
    • http://rabatelekovufar.myartsonline.com/fisher_paykel_cool_drawer_canada.pdf
    • https://s3.amazonaws.com/jiwotarotavuz/62502869319.pdf
    • 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_off0000fd6b.bin
04ec29f32568a2dd97b4a9bece25006fd3930e3b239277a11d7ea5b463711089		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFD6B 5316 bytes
font_01_sfnt_off00010f79.bin
28ac4cb3147d4f8c41b6f2f362abe58228ee788fdbbe73a23bd6b0e8be71cd2b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10F79 10928 bytes

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