Malicious PDF — malware analysis report

Static analysis result for SHA-256 62d9f9b9601f7d81…

MALICIOUS

PDF

100.2 KB Created: 2021-03-21 08:28:36 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 768d9c7ab5ea5e3d658913981438e63f SHA-1: 784262f4f9525b78eb7d6ccbe27202621b6c6ace SHA-256: 62d9f9b9601f7d81e985827176c5946553a2d1c30544690808bde4b452f7ca46
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, specifically as a phishing trojan. It contains an embedded URI pointing to a suspicious domain, which is likely used to host a malicious payload or redirect the user to a phishing site. The document body, though heavily obfuscated, suggests a lure related to 'clone hero charts setlist'.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9978

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://dafemum.ru/wix?keyword=clone+hero+charts+setlist
    • http://ig-about.net/tcp_ip_port_0qb8qy.pdf
    • https://static.s123-cdn-static.com/uploads/4470685/normal_5ff829b8ed79c.pdf
    • http://elinekici.online/the_lying_game_tv_show_netflixrd8qt.pdf
    • https://static.s123-cdn-static.com/uploads/4481676/normal_5fee28e1a522f.pdf
    • https://cdn-cms.f-static.net/uploads/4495841/normal_6026dc8f4e343.pdf
    • http://batmbatm.ru/stinger_performance_catch_can7cow4.pdf
    • https://cdn-cms.f-static.net/uploads/4470681/normal_6052b2b9820e6.pdf
    • http://scarcebook.com/canada_express_entry_application_formrgxum.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/b1db04f0-91a5-4b34-b374-1f6f58e450b9/has_aot_manga_ended.pdf
    • https://s3.amazonaws.com/ragejufa/digital_multimeter_dt9205a_manual_espaol.pdf
    • http://xovijoj.epizy.com/ultrasound_guided_anterior_scalene_block.pdf
    • https://645c32c3-7e99-4959-b93b-7980205539d7.filesusr.com/ugd/30a31c_0f9ffed791864d01a790a051659e758a.pdf?index=true
    • https://uploads.strikinglycdn.com/files/d06403f4-1650-4185-9568-ed545138bcb0/terry_pratchett_mort_movie.pdf
    • https://s3.amazonaws.com/zifilobesumafi/murano_burano_guided_tour.pdf
    • https://e25b5f36-ee09-4010-8803-019b2853a23b.filesusr.com/ugd/c34eac_158b9c1eda864ec9bfe78de1fcfa130f.pdf?index=true
    • https://2a4c341d-9af7-4f89-b48a-1b926ad6ced7.filesusr.com/ugd/dd6616_62f63c69b4094344914d16514751756c.pdf?index=true
    • https://uploads.strikinglycdn.com/files/0853c7a6-4e4d-4f3b-b436-e8644b633984/93950855636.pdf
    • https://uploads.strikinglycdn.com/files/3e0608e6-0186-4ae3-963a-0cfd6c205e12/16624706478.pdf
    • http://nitarerot.epizy.com/cuales_son_los_titulos_de_credito.pdf
    • https://uploads.strikinglycdn.com/files/1679050c-134f-4dcc-a794-ee5025af67f3/fabujibabuxotiwase.pdf
    • http://nitovotiroxe.epizy.com/angular_5_to_6_upgrade_guide.pdf
    • http://sixosotonipo.epizy.com/83853218297.pdf
    • https://ad9e3d1f-bb22-46ca-892e-b6aa3325a756.filesusr.com/ugd/837d34_a3745a01b69643379a8283d0cece526e.pdf?index=true
    • https://746420f6-3007-491b-ba72-fd43be5094e5.filesusr.com/ugd/277b62_55ed49c0a4ee44b0ba27ceaa38cf6910.pdf?index=true
    • https://s3.amazonaws.com/mevuzokekenojab/hungry_shark_evolution_hacked_version.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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_002_off00011c9a.bin
8a3daaf8bec6ad276aeb07ae087bd6ad59e0afd09ac0436ea34365a63137bf9c		 decompressed-pdf-stream PDF FlateDecoded stream at offset 0x11C9A 9192 bytes
font_01_sfnt_off00013a8d.bin
768b1cc8e03f579165a2da1ef87dea38df872ec82f8851152830f2ebd8ffe717		 pdf-font-stream PDF embedded font (sfnt) at offset 0x13A8D 4700 bytes
font_02_sfnt_off00014a67.bin
aa8933262bf0526367eab031bbbb161ac081b2219183b49637ff631a50998240		 pdf-font-stream PDF embedded font (sfnt) at offset 0x14A67 13376 bytes
font_03_sfnt_off000174b8.bin
a542ec26cea93e049a2e27cd59b1347dd9bbdea13775fd7b822b3c2b3136116f		 pdf-font-stream PDF embedded font (sfnt) at offset 0x174B8 4324 bytes

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