Malicious PDF — malware analysis report

Static analysis result for SHA-256 62753df61578132d…

MALICIOUS

PDF

80.1 KB Created: 2021-04-05 04:17:32 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: beb60e15392a7aa5222cb9ab96b0627f SHA-1: 8f51fbfce27b811f50aba918c15e737aab771ebb SHA-256: 62753df61578132d51e76826f3bfe90d257cea835bb60b430e8cf37acf5dee89
96 Risk Score

Malware Insights

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

The PDF contains an embedded URL that redirects to a suspicious domain, likely intended to host a phishing page or malware. The ClamAV detection and ML classifier strongly indicate malicious intent. The document body, though heavily obfuscated, appears to contain text related to search queries, further supporting a phishing or social engineering lure.

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://nipisod.ru/aws?utm_term=write+the+central+idea+of+the+poem+how+to+tell+wild+animals
    • https://cdn-cms.f-static.net/uploads/4415739/normal_603532da42b95.pdf
    • http://wuzulosijeg.22web.org/world_map_with_countries_black_and_white_outline.pdf
    • https://cdn-cms.f-static.net/uploads/4450259/normal_605523ccf3809.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • http://bepenaguvofiw.epizy.com/27573047775.pdf
    • https://uploads.strikinglycdn.com/files/94d62393-6fb6-4dec-969b-d0b098b31b50/hoover_power_scrub_deluxe_carpet_cleaner_fh50150_manual.pdf
    • https://s3.amazonaws.com/meludav/informal_report_format_in_technical_writing.pdf
    • http://nawokuzowurib.epizy.com/dreams_from_my_father_full.pdf
    • http://fakuzilezozo.epizy.com/84178763997.pdf
    • https://s3.amazonaws.com/neporezofov/intro_after_effects_template_cinema.pdf
    • http://rovututuxopi.epizy.com/arakshaka_gatha.pdf
    • https://uploads.strikinglycdn.com/files/101fcd1f-d963-4b35-9ef5-51d3ec5a872e/83579752590.pdf
    • http://fipivolakiwupod.rf.gd/free_lens_flare_png.pdf
    • http://pojenuza.epizy.com/32833364049.pdf
    • http://kakapefetabol.rf.gd/auto_click_2._2_rar.pdf
    • https://s3.amazonaws.com/wunojipu/31687705087.pdf
    • https://s3.amazonaws.com/magapeguwabe/lcci_level_1_question_and_answer_2018.pdf
    • https://uploads.strikinglycdn.com/files/437ca5f8-3778-4115-bfa5-11417b522a85/tukolesuzijibanirugalipel.pdf
    • https://uploads.strikinglycdn.com/files/35a60201-83d6-4a51-8b07-340c374fb7e5/george_saunders_lincoln_in_the_bardo_review.pdf
    • https://uploads.strikinglycdn.com/files/b5f0a384-96ec-40f2-82b5-aab58687485b/pay_scale_for_cloud_computing_in_india.pdf
    • https://s3.amazonaws.com/baxadelefofibuz/53795287429.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_off0000eb7a.bin
925120322dd4ad64f694d7dd5ae68cce75008e39603ca5695f9d2ff8b2b1d210		 pdf-font-stream PDF embedded font (sfnt) at offset 0xEB7A 5288 bytes
font_01_sfnt_off0000fd51.bin
6133ec1a6cb2bc7d4e6b948f8e1e451b5e3a86331cec93edaf26a40b629531a2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFD51 10940 bytes
font_02_sfnt_off0001227b.bin
cd94ef65598b1866d0653cdd88243d989fd81359c0e770c2d3a4858f1c2f6d34		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1227B 4324 bytes

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