Malicious PDF — malware analysis report

Static analysis result for SHA-256 dee49890e8035c6b…

MALICIOUS

PDF

42.8 KB Created: 2021-05-17 14:17:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 23de5d0397da875364430dcecabebddd SHA-1: aaa40e008f0e158220bef332c0eda36ffcdf1abb SHA-256: dee49890e8035c6b0dd93fdb0a1698213b2a088ba720d70179b1085faf03e447
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links and a lure related to game hacks and generators, specifically mentioning 'Coin Master'. The primary link directs to a URL associated with game hacks. While no scripts were explicitly extracted, the PDF structure and embedded links strongly suggest a social engineering tactic to redirect users to potentially malicious websites for downloads or further exploitation.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

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/406889139/how-to-duplicate-coin-master-spin-hack-game-hack PDF link annotation
    • http://elektrofahrspass.de/images/coin-master-mod-apk_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/free-minecraft-capes-no-mods_GM479516143.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-link-for-spins_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-hack-spin-generator-tool_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/get-robux-com_GM431946152.pdfIn PDF document text
    • http://elektrofahrspass.de/images/oprewards-robux_GM431946152.pdfIn PDF document text
    • http://elektrofahrspass.de/images/free-spin-coin-master-link-today_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/impact-minecraft-hack_GM479516143.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-hack-no-human-verification-2021_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/roblox-hack-game_GM431946152.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-free-spins-gratis_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/rich-free-roblox-accounts_GM431946152.pdfIn PDF document text
    • http://elektrofahrspass.de/images/minecraft-toolbox-premium-apk_GM479516143.pdfIn PDF document text
    • http://elektrofahrspass.de/images/how-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/how-to-get-free-cards-sets-for-coin-master_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/hack-coin-master-game-apk_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/blox-fish-free-robux_GM431946152.pdfIn PDF document text
    • http://elektrofahrspass.de/images/coin-master-reward-link-2021_GM406889139.pdfIn PDF document text
    • http://elektrofahrspass.de/images/how-to-hack-roblox-for-robux_GM431946152.pdfIn PDF document text
    • http://elektrofahrspass.de/images/today-free-spin-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
stream_003_off00004a3e.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A3E 25228 bytes
SHA-256: 2f628bca9d21aa6a289467899ec7f9413d9767f1b758a54bb1dc559cbd10f6ab
font_01_sfnt_off00008476.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8476 18436 bytes
SHA-256: 63f0f1c978d8f92ee707179f18d26c907503c05d135115955c3f0d9e37ea33fa

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