Malicious PDF — malware analysis report

Static analysis result for SHA-256 4f49b6a12f2ccf96…

MALICIOUS

PDF

88.8 KB Created: 2021-03-31 06:39:12 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 47250e9fe81f603af1bf91c0150bfb87 SHA-1: 754da7aa53ec8d7a67625e4e1e9cbe19ec7be7b6 SHA-256: 4f49b6a12f2ccf962379d2f03bc7cba3237b561b9d944fd829359d59614e9905
96 Risk Score

Malware Insights

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

The PDF file was flagged by ML classifiers and ClamAV as malicious, indicating a high likelihood of malicious intent. It contains an embedded URI pointing to a suspicious domain, likely intended to redirect the user to a phishing or malware distribution site. The document body appears to be obfuscated or corrupted, preventing a clear understanding of its content, but the presence of the malicious URL is a strong indicator of a phishing attack.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9990

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://lozipotod.ru/wix?keyword=janitor+reginald+vernon+oates
    • https://betetitowuti.weebly.com/uploads/1/3/4/3/134331261/gaxat_momeganezufixu_mexubofewodeta_jekubol.pdf
    • https://kepijiloxa.weebly.com/uploads/1/3/4/1/134108658/6884538.pdf
    • http://vukifaralefer.iblogger.org/free_indesign_templates_annual_report.pdf
    • https://voganesabif.weebly.com/uploads/1/3/1/1/131163538/9953534.pdf
    • https://cdn.sqhk.co/rovujesox/iMAghjh/dj_songs_telugu_sensongs.pdf
    • https://cdn.sqhk.co/soxuwutitaw/whdojfs/los_sims_freeplay_hack_ios_2020.pdf
    • https://cdn.sqhk.co/fonazovep/jeqhaji/gizapigik.pdf
    • https://cdn.sqhk.co/mogowepuw/hihdcia/exos_heroes_tier_list_reroll.pdf
    • https://cdn.sqhk.co/sezabaxo/dji3hhE/download_snake_zone_io_apk.pdf
    • https://pozategon.weebly.com/uploads/1/3/2/6/132695347/1458479.pdf
    • https://cdn.sqhk.co/kuwusemob/CtgeAkE/xujugu.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/d1bfe735-0b56-4d4f-bbdb-dd191e386110/music_theory_for_guitarists_hal_leonard.pdf
    • http://piretiwojof.epizy.com/49239512780.pdf
    • https://uploads.strikinglycdn.com/files/ea8f2de2-0574-4b20-ae25-80943b08234b/sinizajakipapojemu.pdf
    • http://damatagowigiz.epizy.com/agustinos_leon_plataforma.pdf
    • http://vinuvomitatu.epizy.com/xivodizop.pdf
    • https://uploads.strikinglycdn.com/files/1720e203-ad42-403f-9bb3-bc7e6a586f34/sanomamoxeji.pdf
    • http://peripukatadu.epizy.com/hoover_steamvac_widepath_6000_parts.pdf
    • http://bukavomagotixe.rf.gd/22751252840.pdf
    • https://uploads.strikinglycdn.com/files/ec7c2d34-cbd7-45a5-9fdf-479133babb63/mogibusovaruzuxesinir.pdf
    • http://lejopuluke.rf.gd/31831203763.pdf
    • https://uploads.strikinglycdn.com/files/0e9cdb56-350e-4d0c-9ca1-eb504a7de5a5/54978092585.pdf
    • http://tunijerizimajej.epizy.com/pro_ethical_hacking_tutorials_apk.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000110de.bin
96df400075bc2e75aaaa8fde75fbc9ab4d8216b9c28698ec4ae152bdc0f096b5		 pdf-font-stream PDF embedded font (sfnt) at offset 0x110DE 4828 bytes
font_01_sfnt_off0001214f.bin
665521c55ebdebaf8b151c33b34049db0ca7cf02fbfdc5b36c880fcbe9e164fc		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1214F 11192 bytes
font_02_sfnt_off000147a5.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x147A5 4324 bytes

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