Malicious PDF — malware analysis report

Static analysis result for SHA-256 aebc7dd75343a922…

MALICIOUS

PDF

79.8 KB Created: 2021-03-18 11:21:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 6408e57a5606adb44377a966cd2d3c56 SHA-1: 17505b45bb7597f220f68aefb42d3f005e3c2f01 SHA-256: aebc7dd75343a922fd79c4ae7a11d3761fbc854bebbefc29a84f39f31d000620
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 0.9990

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://vilenefex.ru/wix?keyword=timpani+ranges+ludwig PDF link annotation
    • http://zazerabila.iblogger.org/barish_song_yaariyan_movie.pdfIn PDF document text
    • http://digovin.getenjoyment.net/nogujovanugijimivo.pdfIn PDF document text
    • http://logefekur.22web.org/sejekuvusozekufi.pdfIn PDF document text
    • http://mevukavotidu.getenjoyment.net/paroxujekese.pdfIn PDF document text
    • http://tokepubex.getenjoyment.net/20307529039.pdfIn PDF document text
    • http://jerimujolegem.medianewsonline.com/73869262103.pdfIn PDF document text
    • https://cdn.sqhk.co/merabuvi/jLAMlij/pifujakimawurajipijusuli.pdfIn PDF document text
    • http://bopolubolef.mywebcommunity.org/blank_page_with_border.pdfIn PDF document text
    • http://koxelovanalimu.getenjoyment.net/38758605407.pdfIn PDF document text
    • http://rifijetuvijilam.medianewsonline.com/76721238918.pdfIn PDF document text
    • https://cdn.sqhk.co/nimabugokofa/wijMpic/53956197125.pdfIn PDF document text
    • https://cdn.sqhk.co/vukupamita/U6H6ie4/g_csf_guidelines_uk.pdfIn PDF document text
    • http://zagavexakagin.mypressonline.com/who_said_suffering_is_a_sign_of_intelligence.pdfIn PDF document text
    • https://cdn.sqhk.co/wozobifanu/bfnighb/rapchat_social_rap_maker_recording_studio.pdfIn PDF document text
    • http://ridaxaki.mywebcommunity.org/wujelupade.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://s3.amazonaws.com/nodetuxapabara/nosizujitevuviberexedivo.pdfIn PDF document text
    • https://s3.amazonaws.com/jesidofefe/86363406073.pdfIn PDF document text
    • https://s3.amazonaws.com/lovomijelun/lojulavosixubalas.pdfIn PDF document text
    • https://s3.amazonaws.com/jevelel/teri_aankhon_ka_yo_kajal_pagalworld.pdfIn PDF document text
    • https://s3.amazonaws.com/pevuwarobuvowa/archeage_error_1034.pdfIn PDF document text
    • https://s3.amazonaws.com/ziwuvijevo/xiled.pdfIn PDF document text
    • http://zilaguku.epizy.com/what_is_the_meaning_of_xanadu_in_kubla_khan.pdfIn PDF document text
    • https://s3.amazonaws.com/pegek/40683991694.pdfIn PDF document text
    • http://japaduvovudaku.rf.gd/despacito_violin_sheet_music_for_beginners.pdfIn PDF document text
    • https://s3.amazonaws.com/juvuraguvutoxif/92723539326.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_off0000ea29.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA29 5012 bytes
SHA-256: 0b837971404d35e912fda9dfd67c177e211e0efc24ef312504818816f4d64385
font_01_sfnt_off0000fb0a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFB0A 11488 bytes
SHA-256: 975ed6f455ff832d5e8e0062c842b1ebdeab56848962a22b1d3d2e63d8f6d5d5
font_02_sfnt_off00012262.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x12262 4324 bytes
SHA-256: 05d2457133b820fa77aa358e30e9acfbad3f04c46ced9a37296d9311117db176

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