Malicious PDF — malware analysis report

Static analysis result for SHA-256 099557def71df3eb…

MALICIOUS

PDF

78.6 KB Created: 2021-04-03 11:25:39 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 77784df60f1bd902d6a5c604e56d29e7 SHA-1: fab37ff8d40885a5d3f987bf57e5812924b4af51 SHA-256: 099557def71df3ebfcaadfcdfb6d7b9b00c4559fec703411df1c7304b1270a52
96 Risk Score

Malware Insights

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

This PDF document was flagged as malicious by ClamAV and an ML classifier. The file embeds external URLs that direct users to attacker-controlled resources. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9961

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://xezojetit.ru/wix?keyword=industrial+electrician+study+guide+pdf PDF link annotation
    • http://cleaner-inn.club/spreadsheet_for_wedding_budget_plannerpglcz.pdfIn PDF document text
    • http://zoom-omsk.ru/ecology_the_economy_of_nature_test_bank1l9am.pdfIn PDF document text
    • http://netewe8.xyz/hamilton_beach_countertop_convection_oven_with_rotisserie_-_31100dntnkz.pdfIn PDF document text
    • https://cdn.sqhk.co/xaselavub/hjggiht/mt_rushmore_halloween_costume.pdfIn PDF document text
    • http://pe50off.info/toyota_rav4_2011_mpg_fuel_economygpd3m.pdfIn PDF document text
    • http://0fruits.space/16272555580m1yoq.pdfIn PDF document text
    • https://cdn.sqhk.co/sovajepuxe/hilheHL/suppressor_cover_review.pdfIn PDF document text
    • https://cdn.sqhk.co/nezusoxe/SYfVnIU/resident_evil_3_movie.pdfIn PDF document text
    • http://pinerapidsrr.com/behringer_u-phoria_um2_driver_free_download_macxuah6.pdfIn PDF document text
    • http://nature-ital.space/kuzelebogi9mr0m.pdfIn PDF document text
    • http://devgame.design/how_to_create_user_in_wordpress_programmaticallykwxul.pdfIn PDF document text
    • http://classicalnaturally.com/1070577616556em.pdfIn PDF document text
    • http://nilofebep.iblogger.org/public_health_act_1848.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://s3.amazonaws.com/kefodek/speed_calculator_mbps.pdfIn PDF document text
    • https://s3.amazonaws.com/wemupajese/16885977575.pdfIn PDF document text
    • https://s3.amazonaws.com/kafises/guidera_court_dallas.pdfIn PDF document text
    • http://potaxekegeze.rf.gd/8495053407.pdfIn PDF document text
    • http://kinutumuzikuji.epizy.com/24139780281.pdfIn PDF document text
    • http://junulobexatini.rf.gd/26022625062.pdfIn PDF document text
    • https://s3.amazonaws.com/bokofapig/73979617497.pdfIn PDF document text
    • https://s3.amazonaws.com/zemigiduwagafu/smoothies_to_lose_belly_fat.pdfIn PDF document text
    • http://baledur.epizy.com/neck_exercises_for_cervical_spondylosis.pdfIn PDF document text
    • https://s3.amazonaws.com/gupawupigawono/bokasari.pdfIn PDF document text
    • https://s3.amazonaws.com/jonora/dr_wellness_hot_tub_filters.pdfIn PDF document text
    • https://s3.amazonaws.com/putelekireza/lawn_boy_gold_series_manual.pdfIn PDF document text
    • https://s3.amazonaws.com/gapuruxumeg/73274147266.pdfIn PDF document text
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
    • http://purl.org/dc/elements/1.1/In PDF document text
    • http://ns.adobe.com/pdf/1.3/In PDF document text
    • http://ns.adobe.com/xap/1.0/In PDF document text
    • http://ns.adobe.com/xap/1.0/mm/In PDF document text
    • http://ns.adobe.com/xap/1.0/rights/In PDF document text
    • http://scripts.sil.org/OFLIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f49c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF49C 5364 bytes
SHA-256: c4d6670356001351ff606fa5359ff8b7522943c3d436a89fcb937db83b073bdd
font_01_sfnt_off000106f4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x106F4 10900 bytes
SHA-256: ce15048abdfe13cd778e435a01df8178c63991fc269b236896b144623ce3ea9f

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