Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6e169a4dbeb1146…

MALICIOUS

PDF

77.3 KB Created: 2021-03-14 06:21:59 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: ff76979558f2c83d31288c68b6ef7855 SHA-1: b98373a47677fe0d929afbd4c0eac015afd5cd84 SHA-256: e6e169a4dbeb114663b18077528c85c891ca25fe5d647bcfecf4181a4db9beda
96 Risk Score
Tags
free-cdn-ebook-manual-lure

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 0.9989

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://mezovuduw.ru/strik?utm_term=shimano+ultegra+di2+r8050+adjustment PDF link annotation
    • https://cdn.sqhk.co/xilasexiki/p1eihFp/puppy_iphone_wallpaper_hd_2020.pdfIn PDF document text
    • https://cdn.sqhk.co/guvevifowo/s6jaife/nezunezimisonewoseman.pdfIn PDF document text
    • https://cdn.sqhk.co/woberimi/MiggcCe/switching_off_data_roaming_on_galaxy_s5.pdfIn PDF document text
    • https://cdn.sqhk.co/rozopebak/hgPchjk/20292173962.pdfIn PDF document text
    • http://davegopodowog.iblogger.org/troy_bilt_mustang_pto_wont_engage.pdfIn PDF document text
    • https://cdn.sqhk.co/ketalidukepi/ehbhViY/pop_rock_music_artists_list.pdfIn PDF document text
    • https://cdn.sqhk.co/salusasopuvi/hgjdf5c/hellhounds_on_my_trail_robert_johnson_lyrics.pdfIn PDF document text
    • https://cdn.sqhk.co/jefigujaxev/jjgcgeW/code_editor_ide_tool.pdfIn PDF document text
    • https://cdn.sqhk.co/tosuwukiwate/Gu5cgcB/54626818405.pdfIn PDF document text
    • https://cdn.sqhk.co/pofoxubo/Iuhgjiy/xejebexurumosu.pdfIn PDF document text
    • https://cdn.sqhk.co/vujagefamig/ijbUfKY/zovix.pdfIn PDF document text
    • http://sawezudo.iblogger.org/rinnai_ruc98in_ultra_series_concentric_twin_pipe_installation.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://www.daltonmaag.com/In PDF document text
    • https://uploads.strikinglycdn.com/files/945853b6-bff7-4c49-b2ce-9d196f86aa2d/40156740847.pdfIn PDF document text
    • http://vawigopowapab.rf.gd/xujafevazanubumedidino.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/9f5b56a3-fc13-480c-89d1-2ca4de53b0d5/44372451438.pdfIn PDF document text
    • https://s3.amazonaws.com/zubata/emulator_for_psp_apk.pdfIn PDF document text
    • https://s3.amazonaws.com/neviwove/bizalaxunakevuzog.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/07a004fc-2086-4e43-8b13-88fc8e1706b3/72922360908.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/6daa6cf1-5b49-4ed6-bfcc-4a9215206fc1/86433395702.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/798b8245-9c60-43af-83d7-cd7f20f8fdb4/newtons_third_law_worksheet_middle_school.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/a935c505-1d35-4fb6-b242-cae6e3b136fa/dasanikuxaxovasa.pdfIn PDF document text
    • https://s3.amazonaws.com/dudujopixejikug/when_did_charles_darwin_come_up_with_the_theory_of_evolution.pdfIn PDF document text
    • https://s3.amazonaws.com/wuxupewu/ahsoka_novel_free.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/1831179c-1752-44b3-b840-f7bf949f87d2/most_common_complications_of_myocardial_infarction.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e12f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE12F 5892 bytes
SHA-256: 04f926f77761cdd0a9c37f8a0b6a8028e4fe47b96a9b96630503e4ac9ed27ba2
font_01_sfnt_off0000f504.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xF504 10732 bytes
SHA-256: bd3e1ae2a0b374f4e64cc698e19650169af182777c24a62d18308d543c97e55d
font_02_sfnt_off00011973.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x11973 4324 bytes
SHA-256: a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f

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