Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e9c89db86087efe…

MALICIOUS

PDF

78.0 KB Created: 2021-03-24 06:14:23 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: d86c722fb437cb2ff3a9ab4c447f55de SHA-1: 58cc789828384176bfa44ca4891b35c7cf9df8ea SHA-256: 2e9c89db86087efe75c8e74efa001e333eef61b5743a4ab359f49fd9a93f172b
96 Risk Score

Malware Insights

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

The file is a PDF that contains an embedded URL pointing to a suspicious domain, likely intended for phishing or malware distribution. ClamAV and ML classifiers strongly indicate maliciousness. The document body, though heavily obfuscated, appears to be a lure related to 'administrator roles and responsibilities pdf'. No scripts were extracted, but the presence of external URIs suggests an attempt to redirect the user to a malicious resource.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9996

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://bologen.ru/award?keyword=administrator+roles+and+responsibilities+pdf
    • https://cdn.sqhk.co/galemojubemo/iggIOgj/guide_for_pes_2017.pdf
    • https://cdn.sqhk.co/nizolurinidi/jhicJig/calligraphy_fonts_alphabet.pdf
    • https://cdn.sqhk.co/wumerelup/jgEoiba/34122414185.pdf
    • https://cdn-cms.f-static.net/uploads/4372963/normal_6013c770e621c.pdf
    • https://cdn.sqhk.co/letarezetap/CqLhfN7/localizar_mi_android_por_gps.pdf
    • http://xujilutobidiko.iblogger.org/property_appraisal_form_meaning.pdf
    • https://static.s123-cdn-static.com/uploads/4481068/normal_5fc74a2e5a28e.pdf
    • http://fejofezipekow.iblogger.org/9965082966.pdf
    • https://cdn.sqhk.co/tireronerogo/4hfhdEO/abc_weather_app.pdf
    • https://cdn.sqhk.co/sesijisova/cVihdOY/best_ringtones_2019_free_download_hollywood.pdf
    • http://rutonujak.iblogger.org/maplestory_hero_node_guide.pdf
    • http://gomijojupi.iblogger.org/ditinusa.pdf
    • http://vumilopevakidom.iblogger.org/who_are_the_12_major_roman_gods_and_their_roles.pdf
    • https://cdn.sqhk.co/zutigaku/hhchchb/telugu_tv_actress_photos_names.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://zunebodiz.epizy.com/kunipamujelatakubi.pdf
    • http://pubuwinudowaza.rf.gd/varepozusezik.pdf
    • https://s3.amazonaws.com/jajuzasalikirut/zivegalofo.pdf
    • https://s3.amazonaws.com/visagogijulep/markdown_cheat_sheet_new_line.pdf
    • http://kesuleruvepo.rf.gd/aggregate_percentage_meaning_in_cat_form_2019.pdf
    • http://jiwimid.epizy.com/electrician_tools_names_and_pictures.pdf
    • http://gejopap.rf.gd/solving_quadratic_equations_by_graphing_and_factoring_practice_b.pdf
    • https://s3.amazonaws.com/wunojipu/basaron.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_off0000f32c.bin
d3c7307b4c23801b1e1ba219da4ff141ccee9e12c0ce3e63768da4c04a63c0ff
pdf-font-stream PDF embedded font (sfnt) at offset 0xF32C 5316 bytes
font_01_sfnt_off0001051b.bin
40f006dc4cc748bed94ff6c07023db4392ffb5ace7a6c9b5cf76a26a6234512c
pdf-font-stream PDF embedded font (sfnt) at offset 0x1051B 11020 bytes