Malicious PDF — malware analysis report

Static analysis result for SHA-256 07a93c3dcaf8ecdd…

MALICIOUS

PDF

29.4 KB Created: 2021-05-10 19:36:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 1edad09b409a34dbf7287c0e4b49da05 SHA-1: b0af16cdf7bb21870e9edc0aea2601f83fc8338c SHA-256: 07a93c3dcaf8ecdd4ccd5dbcfaad84e5eac2abb4356031684d0df330da96b377
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains lures for 'Free Robux' and game hacks, directing users to external URLs that are likely malicious. The ML classifier strongly flagged this PDF as malicious, and the presence of embedded URIs and a call-to-action button further supports a malicious intent. No scripts were extracted from this sample, but the document's structure and embedded links suggest it is designed to trick users into visiting potentially harmful websites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9747

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 https://netcdn.xyz/app/431946152/free-robux-codes-no-verification-game-hack PDF link annotation
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/jailbreak-roblox-hack_GM431946152.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/coin-master-spin-blogspot_GM406889139.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/roblox-studio-free_GM431946152.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/get-free-spins-coin-master-october-2021_GM406889139.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-on-roblox-2021_GM431946152.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/hack-coin-master-apk-download_GM406889139.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/static-moonactive-net-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/coin-master-free-spins-link-2021-no-verification-deutsch_GM406889139.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/coin-master-spin-hack-no-human-verification_GM406889139.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/coin-master-hack-online-pc_GM406889139.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/best-minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/minecraft-pe-015-0-apk-free-download_GM479516143.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-iphone_GM406889139.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/how-to-get-minecraft-pe-for-free-ios_GM479516143.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/codes-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/real-working-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://learning1.misbidayatulhidayah3medan.sch.id/__statics/gudangsoal/files/coin-master-free-spins-app-android_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_off0000250e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x250E 19692 bytes
SHA-256: 9b7340d7adb8eb33b11b6ef2afcfc69051845818d4c7c826a5b407b3ef75b470
font_01_sfnt_off00004e9c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4E9C 18776 bytes
SHA-256: 1501cc25bcf8c3b3bf9df14f68216c1cc39cc5b0131e4343b63bafa21afb9c06

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