Malicious PDF — malware analysis report

Static analysis result for SHA-256 ba0f7a69ff142a3f…

MALICIOUS

PDF

34.7 KB Created: 2021-07-04 03:18:09 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 26df215a8f6f168581168d59c5cd7603 SHA-1: 736f554e6dc1ed1f443da607246186d9086cfb72 SHA-256: ba0f7a69ff142a3f44b7c2f58da4b433f317d5188a88169b3da897224bbf485d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for free game hacks, specifically mentioning Minecraft, and includes a link to a redirector. This indicates a social engineering tactic to entice users to visit a potentially malicious site. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a phishing or scam attempt.

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/hacks-minecraft-game-hack PDF link annotation
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/descargar-hack-para-roblox-jailbreak-2021_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/coin-master-daily-spins_GM406889139.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-roblox-accounts-with-robux-that-work-2021_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/robux-generator_GM431946152.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/numero-card-robux-50-free_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/roblox-promo-codes-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-roblox-accounts-with-robux-that-work-not-banned_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/best-free-roblox-items-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-minecraft-alt-generator_GM479516143.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/coin-master-hack-https-coinms-net_GM406889139.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/rbx-earn_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/download-hacked-games-com-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/how-do-u-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-stuff-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • https://www.elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/op-rewards-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/rbxfree-com-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/roblox-hack-ios-cydia_GM431946152.pdfIn PDF document text
    • https://elearning.man1bukittinggi.sch.id/__statics/gudangsoal/files/roblox-cheat-engine-dragon-ball-rage_GM431946152.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_off0000339e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x339E 22556 bytes
SHA-256: 2cfd12e3d58ace755a2ec8da863071eeeaaa74b4ef8e4880fbb6f3f151650084
font_01_sfnt_off0000660d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x660D 18024 bytes
SHA-256: a542bb80f6743a435cc01bd2774b3690020f3f79aba497daee1fa0f418e1828b

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