Malicious PDF — malware analysis report

Static analysis result for SHA-256 bab23296d0d736bf…

MALICIOUS

PDF

84.8 KB Created: 2021-05-12 04:58:21 +03:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: 1df9f473d1469a1b6397b575ed5fa226 SHA-1: bf354d5da783f7e80187daff8be992fab2cd7abc SHA-256: bab23296d0d736bf4e7f23cda8c36a7885e2adfc16a7a872d764c96e19a4d6a7
96 Risk Score

Malware Insights

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

The PDF document contains embedded URLs that redirect to malicious domains, disguised as a guide for setting up an Amazon Echo Dot. The ML classifier and ClamAV detection strongly indicate malicious intent, likely for phishing or malware distribution. No scripts were extracted, but the presence of external URIs suggests an attempt to download further malicious content.

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://pelibifir.ru/strik?utm_term=how+to+setup+amazon+echo+dot+3rd+generation
    • http://lishop.site/zofefakedixuratusifoy7e3r.pdf
    • https://cdn.sqhk.co/gedofovel/djfKjgC/zejiwinedozebisofaroj.pdf
    • https://cdn.sqhk.co/kejopala/ghcAjcE/65540425307.pdf
    • https://kifeketefisub.weebly.com/uploads/1/3/5/3/135347095/guxugu_lazog_gukorimumun.pdf
    • https://cdn.sqhk.co/lididiregi/hjashjP/rasegeditutaxumudivu.pdf
    • https://penabapemuzoji.weebly.com/uploads/1/3/1/4/131453208/mipigawaneziwog.pdf
    • http://ewwe.space/273_plantas_medicinales_de_venezuelasvfcb.pdf
    • http://obuv-kozha.ru/comparatif_superlatif_anglais_testkwd4l.pdf
    • http://bcipreactivaperu.com/vepaluberarlzkv5.pdf
    • https://takisulajedeviv.weebly.com/uploads/1/3/7/5/137501155/1725151.pdf
    • https://cdn.sqhk.co/jotapepikota/hcHejbx/21753479261.pdf
    • https://cdn.sqhk.co/kizofapekeku/DhbXvg1/16298597864.pdf
    • https://situnege.weebly.com/uploads/1/3/4/5/134578036/golutepobafu.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/ef64309d-552e-4244-990a-cb674abf34e1/best_free_palmistry_app_for_iphone.pdf
    • https://s3.amazonaws.com/lezerawe/36096431215.pdf
    • https://s3.amazonaws.com/mubemutolewe/vebizuveluwolexu.pdf
    • https://uploads.strikinglycdn.com/files/5d7ce655-a306-4965-ba29-1d195a162a0f/el_camino_del_artista_resumen.pdf
    • https://s3.amazonaws.com/jolozidabi/link_blackberry_for_android.pdf
    • https://s3.amazonaws.com/dewutexorob/88069095120.pdf
    • https://23751d96-d7b3-42ca-b8ca-e459b671ea95.filesusr.com/ugd/7de994_9cf89a7febcf42318a09334f4631901d.pdf?index=true
    • https://s3.amazonaws.com/limepusotanal/bazaar_ka_shehzada_south_movie.pdf
    • https://0dd4521b-3e41-4083-9bcc-807cce03ae78.filesusr.com/ugd/cfe2e9_2c596880b69b4110846006093c4e9c98.pdf?index=true
    • https://uploads.strikinglycdn.com/files/b9c03a89-5398-4486-88ae-f1b48619a5a1/76781858605.pdf
    • https://uploads.strikinglycdn.com/files/456667fe-6545-4786-95de-8e5930d794b4/boss_dr_5_manual_espaol.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 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f3b4.bin
5b648d1cf4bb33353966688fdd9f449b0e2fd63a86bdd145667d8dec8ff43f66		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF3B4 5724 bytes
font_01_sfnt_off0001071a.bin
b4c82c281ec4d526bcb5363246f27a3f2bd33fe1b51be449dc7a0c8a78b9b3e0		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1071A 11536 bytes
font_02_sfnt_off00012e44.bin
c9557d91917e40dbb2ce09b7ef560a04a9a832ffe2ebcac6b50408a58351272e		 pdf-font-stream PDF embedded font (sfnt) at offset 0x12E44 16092 bytes

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