Malicious PDF — malware analysis report

Static analysis result for SHA-256 ddf87fa9527984a7…

MALICIOUS

PDF

96.6 KB Created: 2021-03-19 07:19:46 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 7e7a9c9659fbd248c6bac47b5a95eeb9 SHA-1: a8fc2a9178ed7f1a30d41a4db3ca35a6d4639a43 SHA-256: ddf87fa9527984a7f127a98b51ee1bcefda4c618de1990aff476b52a638b1895
96 Risk Score

Malware Insights

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

The file is identified as malicious by ClamAV and an ML classifier, with heuristics indicating the presence of external URIs. The document body, though heavily obfuscated, contains text related to a search query, suggesting a lure. The primary IOC is the URL https://lozipotod.ru/wix?keyword=what+does+notice+me+senpai+mean, which is likely used to deliver a payload or redirect to a phishing site.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9983

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://lozipotod.ru/wix?keyword=what+does+notice+me+senpai+mean
    • http://minuette.me/estructura_de_un_texto_argumentativo_en_inglesb17xh.pdf
    • http://wowit.pro/joxulgbl7f.pdf
    • http://levantegroup.net/how_do_i_love_thee_tonehr3k3.pdf
    • http://sungo1.space/el_negocio_del_siglo_xxi_audiolibro_gratisa57wf.pdf
    • http://eurostore.info/562655987718a9vr.pdf
    • http://urott-hu.com/56113505182alzcm.pdf
    • http://dnepr24.info/sitoxapewuwaxupegiroyzbw3.pdf
    • http://sweetmeet.online/a_marvelous_work_and_a_wonder_quotesv3ixw.pdf
    • http://sushibara.net/sawexexojefdjyoj.pdf
    • http://tk-time.site/gopro_hero_5_black_quick_guideucuhg.pdf
    • http://3bki.ru/beats_solo_3_wireless_rose_gold_jb_hi_fiy9ogz.pdf
    • http://mscgis.net/bleach_vs_naruto_v3._3_apkp0312.pdf
    • http://avtoshtorki.shop/79440614785zbtsa.pdf
    • http://omerkatanalp.com/herbalism_guide_classic_wowb4wlt.pdf
    • http://thecet.xyz/2009_harley_davidson_softail_service_manualhcae0.pdf
    • http://lasleymarkt.ru/quote_from_ram_dass8vuq0.pdf
    • http://qwertyujg.xyz/uppababy_vista_v2_jordan_baby_buntinga285r.pdf
    • http://creampiepow.club/fobusopuwakomuvojq8pa.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://www.daltonmaag.com/
    • https://uploads.strikinglycdn.com/files/189f3542-b603-4eed-993b-ea51cc3d823d/dajatewonogasez.pdf
    • https://uploads.strikinglycdn.com/files/4a8cb44b-8697-4bd0-87c5-a7b8dfdaa982/risilamarukagofiruxaner.pdf
    • https://uploads.strikinglycdn.com/files/bc42994e-3e39-40c0-b782-07061cdd82ef/matebitesubid.pdf
    • https://uploads.strikinglycdn.com/files/c20384ad-480c-4ad9-992e-46ab26d55b8a/56235165856.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
    • http://dejavu.sourceforge.net
    • http://dejavu.sourceforge.net/wiki/index.php/License

Extracted artifacts 6

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000febb.bin
7e9a7fe91da0765a5ad377221575b5a286a25fff0fb3b3f3b1969708259436ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFEBB 5324 bytes
font_01_sfnt_off00011140.bin
e4575851e9626fee41fd99d343dcc788e9504d3cb68d5f434de27c934487d073		 pdf-font-stream PDF embedded font (sfnt) at offset 0x11140 4984 bytes
font_02_sfnt_off00012206.bin
a36eee06fef6ce219692c4ec918276ac99413e4fd1e3666e4031624f9289d620		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12206 1800 bytes
font_03_sfnt_off00012a93.bin
921153233f82a0302e8ca1d5bd2c039533065af663a713774614b8146e6a12ac		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12A93 11104 bytes
font_04_sfnt_off000150b4.bin
43edd991dd82ac0fa2eca9b739274f2e51255dde0463e5ab0a893647ae73f153		 pdf-font-stream PDF embedded font (sfnt) at offset 0x150B4 16080 bytes
font_05_sfnt_off00016568.bin
0d0f64e27578eb124b8bc81c7eceacdd166e22eddd95c81328e9fbd7de2a6333		 pdf-font-stream PDF embedded font (sfnt) at offset 0x16568 4324 bytes

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