Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e699f1eb3c24bd1…

MALICIOUS

PDF

42.8 KB Created: 2021-05-13 16:43:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: e918a4f2da0bfacd89840cd3d4230ed5 SHA-1: 10b6f2a39e8a54df6a6074918cd87b36f97057a4 SHA-256: 2e699f1eb3c24bd12a5ec6c7ecdad7003c9516903da642bf2cdff723ed241fa1
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/431946152/free-roblox-passwords-game-hack PDF link annotation
    • https://ballaratcaravans.com.au/images/free-minecraft-bedrock_GM479516143.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/get-free-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/coin-master-free-daily-spins_GM406889139.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/free-robux-codes_GM431946152.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/minecraft-bedrock-free_GM479516143.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/www-rubux_GM431946152.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/free-robux-no-email_GM431946152.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/coin-master-hack-2021-android-apk_GM406889139.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/how-to-change-your-username-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/unlimited-robux_GM431946152.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/how-to-hack-coin-master-cheat-engine_GM406889139.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/robux-websites-2021_GM431946152.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/free-robux-without-downloading-anything_GM431946152.pdfIn PDF document text
    • https://ballaratcaravans.com.au/images/free-robux-games-that-actually-work-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_off00004a4d.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4A4D 24900 bytes
SHA-256: 7cc5500ff92f47d8a111266d2b04d5609c105bc360cdde8c119cca6b91e0975e
font_01_sfnt_off000083d4.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x83D4 18668 bytes
SHA-256: 2fa2c5403ec1c86ab3807ffc76d8ff15a2d608ae4c9a7b06441cca7eaabeec69

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