Malicious PDF — malware analysis report

Static analysis result for SHA-256 29e069ee63bc267e…

MALICIOUS

PDF

78.8 KB Created: 2021-03-13 17:45:40 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: ea443965ec9b24027ed59b5b75020907 SHA-1: b8bd1b17941ed911eb7fd76c4242250bcdba4b62 SHA-256: 29e069ee63bc267ea71088772fa4c90adc6e0d20bfd620990e340632aa4a3876
96 Risk Score

Malware Insights

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

The file is a PDF document that contains an embedded URI pointing to a suspicious domain, identified by both heuristics and a machine learning classifier as malicious. ClamAV also detected it as a phishing trojan. The document body, though heavily obfuscated, appears to contain search-related terms, suggesting a lure to trick users into visiting the malicious URL.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9991

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://xezojetit.ru/aws?utm_term=4.3+mercruiser+engine+oil+weight
    • http://ritual-venki.online/91235609403an0ek.pdf
    • http://3gusevshop.website/most_common_phrasal_verbs_in_english_exercisesy3nrg.pdf
    • https://rapusixub.weebly.com/uploads/1/3/4/6/134631860/8510744.pdf
    • https://cdn.sqhk.co/fidumugovoz/gdLn6gh/69013260412.pdf
    • http://frontend-developer-azaynullin.site/column_chart_template_google_docsxjnmf.pdf
    • https://magivuvesef.weebly.com/uploads/1/3/0/7/130775451/dewezewib.pdf
    • https://cdn.sqhk.co/repudodo/Zygdjic/music_playing_websites_unblocked.pdf
    • https://static.s123-cdn-static.com/uploads/4369315/normal_5ffd1aba50679.pdf
    • https://static.s123-cdn-static.com/uploads/4415046/normal_5ff9dfb99f026.pdf
    • https://static.s123-cdn-static.com/uploads/4426416/normal_5ff7822c34aa1.pdf
    • https://dixaxotobaba.weebly.com/uploads/1/3/4/3/134377978/ripowemewe.pdf
    • https://rajizoru.weebly.com/uploads/1/3/1/8/131856770/6432920.pdf
    • http://italy50wow.pro/jagurezeldefzz.pdf
    • https://cdn.sqhk.co/pimibopugugo/rjgylIB/fishing_diary_download_cheat.pdf
    • https://moxalabukeziro.weebly.com/uploads/1/3/4/7/134772199/8479492.pdf
    • https://cdn.sqhk.co/duvetezoje/idggNJu/3970187352.pdf
    • https://cdn-cms.f-static.net/uploads/4445106/normal_6047891208bcc.pdf
    • https://cdn.sqhk.co/zifeduwa/eOehiiI/head_ball_2_para_pc.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • http://faxanudof.epizy.com/benubulus.pdf
    • http://rowisumemosil.rf.gd/what_are_cognitive_theories_of_personality.pdf
    • http://kegipufi.rf.gd/excel_spreadsheet_download_free.pdf
    • http://nujuxat.epizy.com/dear_santa_template_word.pdf
    • https://45e41439-46a4-4c97-84f0-155cfeda4cef.filesusr.com/ugd/9d7ad9_54c257b52f7b49bc9813008f57ec5f1a.pdf?index=true
    • https://8a833fea-7c9a-4d2e-a5a7-d3590f42a3e5.filesusr.com/ugd/9aab09_f56be636bc07406289ba956d419c812b.pdf?index=true
    • 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000f8ef.bin
dce61ea1130e0fdc6df0b348e2d92b62cbf3af05e918a69299e2406f8acbeee2		 pdf-font-stream PDF embedded font (sfnt) at offset 0xF8EF 5284 bytes
font_01_sfnt_off00010adb.bin
4e34840a7fc31152d8f917471d3afc826710c3a9472d9912b5ccd219c64b3b68		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10ADB 10076 bytes

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