Malicious PDF — malware analysis report

Static analysis result for SHA-256 299a299003cf25b6…

MALICIOUS

PDF

74.8 KB Created: 2021-02-21 15:46:17 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-05-26
MD5: 8915d4ce13476aea9bd1a0835b009f1d SHA-1: 1f2fdaf50297175c3360dc2dfc373f1e76ab0deb SHA-256: 299a299003cf25b6454cb63f693f9e044730f5c9ff4c48f3a207cac4208f7800
96 Risk Score

Malware Insights

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

The PDF file contains a lure disguised as a search query for a movie quote, which directs the user to an external URL. This URL is highly suspicious and associated with phishing and malware delivery. The ClamAV detection and ML classifier strongly indicate malicious intent, likely for phishing or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9998

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://maypoin.ru/123?utm_term=what%2527s+the+famous+line+from+the+shining PDF link annotation
    • https://static.s123-cdn-static.com/uploads/4492593/normal_5ff5807c087c6.pdfIn PDF document text
    • https://cdn.sqhk.co/pananumujo/hhhaadp/72436983922.pdfIn PDF document text
    • http://soul-felt.com/azla_mutlu_olmak9zvfe.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4383304/normal_5fdea188c6292.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4464052/normal_5ff7a1a23ba70.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4413977/normal_5ffe49f8a75cf.pdfIn PDF document text
    • http://supfitket.buzz/98382768472y6awf.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4485163/normal_5ffffb8ac83d1.pdfIn PDF document text
    • http://drnextact.xyz/profesiones_en_ingles_ejercicios0xf4c.pdfIn PDF document text
    • https://cdn.sqhk.co/vopufepivipe/Chghic2/redcon1_reviews_film.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4382190/normal_5ffcf4bf20a56.pdfIn PDF document text
    • https://cdn.sqhk.co/rewazexi/zXjgusB/stick_cricket_super_league_tips.pdfIn PDF document text
    • https://cdn-cms.f-static.net/uploads/4499979/normal_5fdc5aed730b2.pdfIn PDF document text
    • http://nojagemegoxeda.22web.org/html_form_file_upload_not_working.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • http://pixutixiziv.epizy.com/debate_games_and_activities_guide.pdfIn PDF document text
    • https://s3.amazonaws.com/tapelu/how_to_unlock_sentry_safe_without_code.pdfIn PDF document text
    • http://xijuwevame.epizy.com/avon_september_catalogue.pdfIn PDF document text
    • http://xoxitazowakovit.rf.gd/gigataxinaku.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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000e856.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xE856 5228 bytes
SHA-256: a9ba97798a1bca4dc04491e336582e1f83c52287571ad50e6eccea26b694c67d
font_01_sfnt_off0000fa06.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xFA06 10624 bytes
SHA-256: 171fd6767270c348ff8433d270605af575a1c50b58164ba3b88d7a2f5cfc0838

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