Malicious PDF — malware analysis report

Static analysis result for SHA-256 0bdc9f3dc5f1a382…

MALICIOUS

PDF

71.0 KB Created: 2020-12-27 22:42:12 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7) First seen: 2021-11-02
MD5: 1e568b76cd013622bc23821bfad5adf9 SHA-1: d23e71742e11c38a640e64ca3aff268dfc13b889 SHA-256: 0bdc9f3dc5f1a38269038d62f9ffe50ebdcfcc0d507098d938d3097611fe32c8
96 Risk Score

Malware Insights

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

The file was detected as malicious by ML classifiers and ClamAV, specifically identified as a phishing trojan. It contains an embedded URI pointing to a URL that promises 'unlimited money' for a game, suggesting a lure for potentially unwanted software or further malicious downloads. The PDF structure and embedded content are consistent with phishing or social engineering tactics.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9997

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://trafffi.ru/strik?utm_term=offroad+outlaws+mod+apk+unlimited+money PDF link annotation
    • https://cdn-cms.f-static.net/uploads/4365539/normal_5f9294e087aa9.pdfIn PDF document text
    • https://static.s123-cdn-static.com/uploads/4459631/normal_5fc79d6be9319.pdfIn PDF document text
    • https://cdn.sqhk.co/wiberini/icWFDic/son_of_zeus_netflix_review.pdfIn PDF document text
    • http://www.ascendercorp.com/In PDF document text
    • http://www.ascendercorp.com/typedesigners.htmlIn PDF document text
    • https://uploads.strikinglycdn.com/files/ced41264-56d9-4dfe-aaec-6bca68473d6e/how_to_kiss_a_guy_taller_than_you.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/70b7b2b0-faaa-416c-b213-95f1b79757f4/diablo_2_cheats_item_creator.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/723e2c8e-d97e-4053-8449-0d04666172c0/kazinomukel.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/73b754bf-0ea5-4cd0-9ecc-a9581dc59e0b/69836234683.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/8159ed46-5275-4647-b3be-60970b8fdf97/modegoritaxunij.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f9391adb-a81c-4ebc-83a0-dc89d753b062/42686380645.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/f1370804-adee-4460-8acb-f05243cbeb98/rumenajab.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/4ad84cb0-b91e-4016-a0c2-366f1a1c4e3f/crazy_games_strike_force_heroes_2.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/40f3b86c-1781-4daa-a8c9-2d322fc08256/intelligent_business_style_guide.pdfIn PDF document text
    • https://uploads.strikinglycdn.com/files/76b00b6d-093d-448c-bad6-be449f579dc4/thank_you_for_your_respond.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_off0000d7b5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xD7B5 5472 bytes
SHA-256: 60f8145afd408c37d062da33036bee4bcc97578e0567df49890cf8c5eb3e9004
font_01_sfnt_off0000ea57.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xEA57 10828 bytes
SHA-256: 5c300557d7033a888829c735ca8bc41fa7aac09be8908b59cbb3f24b833ce0c8

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