Malicious PDF — malware analysis report

Static analysis result for SHA-256 118a4dcd27dffd4b…

MALICIOUS

PDF

80.0 KB Created: 2021-03-12 02:59:49 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-09-22
MD5: e40f862aacf0355d4e01a160641b25ea SHA-1: 505a523c2a930a7aa5baaedded282524bc78ba75 SHA-256: 118a4dcd27dffd4b22c4c62ba59d06afc95fad2b8c40e7fc35f2b602c43ef3c5
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 0.9990

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://xajibur.ru/strik?utm_term=english+speaking+classes+brisbane PDF link annotation
    • https://xigujevaw.weebly.com/uploads/1/3/4/7/134701692/ginojiwubonavubajeka.pdfIn PDF document text
    • https://vuledojovux.weebly.com/uploads/1/3/5/9/135962602/7166568.pdfIn PDF document text
    • http://kismyketio.com/65488661399nluzt.pdfIn PDF document text
    • http://psychologyrelax.xyz/el_caballero_de_la_armadura_oxidada_resumen_cortomnlia.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4412607/normal_6032730a0dd33.pdfIn PDF document text
    • http://kurs1.xyz/resudodinufalisawo0dvd5.pdfIn PDF document text
    • https://zefulesemed.weebly.com/uploads/1/3/6/0/136021217/96a750.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4393489/normal_5fc59f5563d0c.pdfIn PDF document text
    • http://mybestchan.online/20463238169rg5gc.pdfIn PDF document text
    • http://intereriia.com/23253530978umfcu.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4379848/normal_60360cf847bfb.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/mogipegi/8539702139.pdfIn PDF document text
    • https://s3.amazonaws.com/megelugik/bitiya_chhathi_mai_ke_bhojpuri_film.pdfIn PDF document text
    • https://e6f9d1db-9bad-45ba-a188-0e8e378e8087.filesusr.com/ugd/99b222_c6724709822048d3b54e2f770c6ae4f1.pdf?index=trueIn PDF document text
    • http://fejukuvazov.rf.gd/78476697417.pdfIn PDF document text
    • https://63aa7d51-6c54-48cc-ac87-b710a0da19c3.filesusr.com/ugd/c8d394_4ca4f120564248a28953abf0b9ff4a16.pdf?index=trueIn PDF document text
    • https://dc6b22d1-fd3c-476a-b8f1-b0505981f591.filesusr.com/ugd/ab5adf_fd45006296b74453a164b3476235175f.pdf?index=trueIn PDF document text
    • http://gogamezotuzapop.epizy.com/bissell_crosswave_pet_pro_cleaning_station.pdfIn PDF document text
    • https://s3.amazonaws.com/gekixadonuru/checkers_game_free_windows_xp.pdfIn PDF document text
    • https://s3.amazonaws.com/sabobenuwe/xetejodumulupidomodoroz.pdfIn PDF document text
    • https://s3.amazonaws.com/bulujono/71848216261.pdfIn PDF document text
    • http://gidigeja.rf.gd/husqvarna_128ld_weed_eater.pdfIn PDF document text
    • https://35548484-ce42-4b18-9d9d-834326683263.filesusr.com/ugd/a221b6_26c1303e223a48a98ebdf31bc337257e.pdf?index=trueIn PDF document text
    • http://nisuzadusidu.epizy.com/56874080857.pdfIn PDF document text
    • http://ranojulugonisa.rf.gd/korg_x50_editor_manual.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_off0000eec1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEEC1 4956 bytes
SHA-256: 903e6d7c405fe2293a23645b717e3b12ef74abee63092c29e3edcfb42f644384
font_01_sfnt_off0000ff7a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFF7A 10848 bytes
SHA-256: 1740484c5894e9a9b9fa32731a3698734d97d1df088acf61a90c8f43d6fab41e
font_02_sfnt_off0001246f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x1246F 4324 bytes
SHA-256: 1062cd8ddf90f4344fa193b395386d5669df1a952e5759311ca261a71931f361

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