Malicious PDF — malware analysis report

Static analysis result for SHA-256 f909d2f59b887ca2…

MALICIOUS

PDF

43.2 KB Created: 2021-05-13 19:30:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 86a73890ed96461c5ca62c82b74adfb8 SHA-1: 296e799ce6ccddea8259c80671cd1f940c4f6e3c SHA-256: f909d2f59b887ca2d86c77fd65341a7e5034566bc9fa6e4d2b67ce5eb68b42ab
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs that are disguised as links to game hacks and free spins, a common lure for phishing or malware distribution. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' specifically flags this behavior. The document body and extracted URLs strongly suggest the intent is to redirect users to malicious websites, likely for credential harvesting or further payload delivery.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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/coin-master-free-spins-link-2021-no-verification-deutsch-game-hack PDF link annotation
    • http://ldjahorina.com/images/minecraft-hack-mod_GM479516143.pdfIn PDF document text
    • http://ldjahorina.com/images/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
    • http://ldjahorina.com/images/coin-master-free-spins-apple_GM406889139.pdfIn PDF document text
    • http://ldjahorina.com/images/coin-master-hack-2021-iphone_GM406889139.pdfIn PDF document text
    • http://ldjahorina.com/images/minecraft-windows-10-hacks_GM479516143.pdfIn PDF document text
    • http://ldjahorina.com/images/free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://ldjahorina.com/images/coin-game_GM406889139.pdfIn PDF document text
    • http://ldjahorina.com/images/minecraft-pe-free-ios_GM479516143.pdfIn PDF document text
    • http://ldjahorina.com/images/minecraft-windows-10-hacked-client_GM479516143.pdfIn PDF document text
    • http://ldjahorina.com/images/coin-master-free-spins-link-today-blogspot_GM406889139.pdfIn PDF document text
    • http://ldjahorina.com/images/real-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://ldjahorina.com/images/how-to-hack-coin-master-facebook_GM406889139.pdfIn PDF document text
    • http://ldjahorina.com/images/coin-master-free-spin-link-new_GM406889139.pdfIn PDF document text
    • http://ldjahorina.com/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • http://ldjahorina.com/images/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://ldjahorina.com/images/feb-23-2021-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://ldjahorina.com/images/how-to-get-free-robux-for-real_GM431946152.pdfIn PDF document text
    • http://ldjahorina.com/images/get-free-robux-today_GM431946152.pdfIn PDF document text
    • http://ldjahorina.com/images/coin-master-fan-page-free-spins_GM406889139.pdfIn PDF document text
    • http://ldjahorina.com/images/free-robux-without-verification-2021_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
stream_003_off00004c8a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4C8A 24608 bytes
SHA-256: 3a4fe221f2e4ae52c7fca8b6e2ad4068ffa5a8d7ef9233831c64267353078b6e
font_01_sfnt_off0000845a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x845A 19064 bytes
SHA-256: 1786c1695e1cfe03ab2cb4a6ae0d95f6e6e4e0c2ddd0e15a85c5675e34076ae6

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