Malicious PDF — malware analysis report

Static analysis result for SHA-256 1a45e8d00c0a2809…

MALICIOUS

PDF

33.7 KB Created: 2021-07-09 22:13:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: f322536873da7088cda759b6d26c77ce SHA-1: df249466ba58b4908dd019c12f7ac2b627542b67 SHA-256: 1a45e8d00c0a2809f9c42108cba1c6c9a76e2376f9c92236eb526e5bcdc3b656
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a high-risk heuristic firing for a game hack redirect lure, pointing to the URL http://netcdn.tw/app/479516143/minecraft-hacks-list-game-hack. The document body also contains this URL and other links related to game cheats and in-game currency, reinforcing the lure. This suggests the document is designed to trick users into visiting a malicious site, likely for malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector high PDF_GAME_HACK_REDIRECT_LURE
    PDF's clickable action targets a redirector of the form /app/<id>/<slug>-game-hack — the landing-page shape of a large SEO 'free spins / generator / game hack' lure family that funnels victims through rotating disposable hosts to a malware/scam payload. The multi-link variants also trip ML/link-farm rules; this catches the single-link variants that otherwise score clean.
  • Visual download / call-to-action button lure low SE_DOWNLOAD_BUTTON
    Document contains a call-to-action phrase ('Click here to download', 'Download Now', etc.) — low-signal unless other findings point to a malicious workflow
  • External URI info PDF_URI
    PDF contains an external URL action
  • 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 http://netcdn.tw/app/479516143/minecraft-hacks-list-game-hack PDF link annotation
    • https://www.tdbaska.hr/files/how-to-change-name-on-roblox-free_GM431946152.pdfIn PDF document text
    • https://www.tdbaska.hr/files/free-roblox-hair-to-wear_GM431946152.pdfIn PDF document text
    • https://www.tdbaska.hr/files/free-robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://www.tdbaska.hr/files/roblox-army-free-robux_GM431946152.pdfIn PDF document text
    • http://www.tdbaska.hr/files/free-robux-generator-codes_GM431946152.pdfIn PDF document text
    • http://www.tdbaska.hr/files/free-robux-no-survey_GM431946152.pdfIn PDF document text
    • http://www.tdbaska.hr/files/free-minecraft-skins-xbox-one_GM479516143.pdfIn PDF document text
    • http://www.tdbaska.hr/files/coin-master-map_GM406889139.pdfIn PDF document text
    • https://www.tdbaska.hr/files/free-items-roblox-catalog_GM431946152.pdfIn PDF document text
    • https://www.tdbaska.hr/files/coin-master-hack-co_GM406889139.pdfIn PDF document text
    • https://www.tdbaska.hr/files/free-robux-2021-hack_GM431946152.pdfIn PDF document text
    • http://www.tdbaska.hr/files/roblox-got-talent-piano-cheat_GM431946152.pdfIn PDF document text
    • https://www.tdbaska.hr/files/robux-free-com_GM431946152.pdfIn PDF document text
    • http://www.tdbaska.hr/files/how-to-get-followers-on-tiktok-for-free_GM835599320.pdfIn PDF document text
    • https://www.tdbaska.hr/files/free-robux-exe_GM431946152.pdfIn PDF document text
    • http://www.tdbaska.hr/files/free-spins-and-coins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.tdbaska.hr/files/free-pe_GM479516143.pdfIn PDF document text
    • http://www.tdbaska.hr/files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • http://www.tdbaska.hr/files/roblox-website-robux_GM431946152.pdfIn PDF document text
    • https://www.tdbaska.hr/files/10-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000030f0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30F0 22120 bytes
SHA-256: a6c8d35462a2e707ee7de805e1d8cd8174d3ec58270464ac92643e10887b9bd2
font_01_sfnt_off000061d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61D4 18024 bytes
SHA-256: b225453983b0d4b7b59ed967647751f27ffd76b719c1a81b68b4b34d029f1afd

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