Malicious PDF — malware analysis report

Static analysis result for SHA-256 e23ae901f194d0ea…

MALICIOUS

PDF

74.7 KB Created: 2021-03-23 10:40:26 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 9e62e66d075d14fa391b6bea22710657 SHA-1: 52b56304f6f16b7bd6a2985270537a19b9e3ea5c SHA-256: e23ae901f194d0ea9d2ea26ca1fdb8099dfe55c971beaf6d6d3dd87528507151
96 Risk Score

Malware Insights

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

The PDF file was detected as malicious by ML classifiers and ClamAV, specifically flagged as a phishing trojan. It contains embedded URLs, one of which, 'https://soxebez.ru/123?utm_term=chakravyuh+full+movie', is presented in a context suggesting a lure for movie downloads. While no scripts were explicitly extracted, the PDF structure and embedded URIs indicate an attempt to redirect the user to malicious content, likely for further payload delivery or credential harvesting.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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/123?utm_term=chakravyuh+full+movie
    • http://bestsalestoday.xyz/viduborutuboviuwc9u.pdf
    • http://mizizufiku.mywebcommunity.org/dark_side_of_globalization.pdf
    • http://ridaxaki.mywebcommunity.org/pdf_pneumonia_pada_anak.pdf
    • https://totidulabi.weebly.com/uploads/1/3/1/6/131606487/wigajijufekizo.pdf
    • http://xuxetosufuzo.getenjoyment.net/bijejeta.pdf
    • http://sipipewawezizuf.getenjoyment.net/used_cooking_oil_chemical_composition.pdf
    • http://suvekitubexeso.getenjoyment.net/acid_reflux_diet.pdf
    • http://woziwowariv.sportsontheweb.net/analytic_geometry_solved_problems.pdf
    • https://rurevudo.weebly.com/uploads/1/3/4/2/134265418/d04dd14b640f7.pdf
    • http://ladidoxa.iblogger.org/sudafiwuw.pdf
    • http://sodahub.pro/wezol06c0c.pdf
    • http://binadof.iblogger.org/39382119574.pdf
    • https://pinozawekik.weebly.com/uploads/1/3/4/5/134589254/7986116.pdf
    • https://busiwilepajij.weebly.com/uploads/1/3/4/3/134353274/lebiv.pdf
    • http://clientbluebadge.com/what_are_job_titles_in_retailn8yuy.pdf
    • http://supportcopyright.net/storm_kings_thunder_archway_runes82pi9.pdf
    • https://rudofodirofebas.weebly.com/uploads/1/3/0/7/130739781/bumazovegit_tikewiwoxaju.pdf
    • http://wavapivanuf.scienceontheweb.net/pre_post_test_comparison_statistics.pdf
    • http://mapotilij.mygamesonline.org/bhagavad_gita_in_tamil_download.pdf
    • http://kino-vezde.ru/283114986686mcht.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/11ffec93-891f-443f-a394-840d527d277d/xezofixafewuxewaxureju.pdf
    • http://zisibife.epizy.com/biography_of_abraham_lincoln_free_download.pdf
    • http://xemigososefof.atwebpages.com/31435462676.pdf
    • https://uploads.strikinglycdn.com/files/a8348aad-98ff-421c-ba3d-2192c97db826/does_so_good_almond_milk_contain_carrageenan.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_off0000e9a3.bin
f21bfa8b17c4319b0d332c8f77a6110d12ed1b9a8e226343516ba3d7ec483d7c		 pdf-font-stream PDF embedded font (sfnt) at offset 0xE9A3 4960 bytes
font_01_sfnt_off0000fa65.bin
84a366e6bcb8990f4a4a61d0131f15e1705cb36931895714eda26bdae5773072		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFA65 10748 bytes

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