Malicious PDF — malware analysis report

Static analysis result for SHA-256 f47a090d87d77bbc…

MALICIOUS

PDF

47.9 KB Created: 2021-05-13 01:03:04 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: 9426961c77231bd39909ebda5a73caca SHA-1: c34b6fddb1b2e3e9670029cfb030a96efca36fe3 SHA-256: f47a090d87d77bbccb0ca06c1845c1aeddbe540ebc0597a1385005331d48adb7
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 0.9013

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-heaven-daily-free-spins-and-coins-links-game-hack PDF link annotation
    • http://jdlwealth.com/images/minecraft-survival-hacks_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/cm-daily-spins_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/give-me-robux-now_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/hacker-minecraft-song_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-hack_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/roblox-hack-download_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/free-minecraft-maps-pe_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-get-minecraft-windows-10-for-free-2021_GM479516143.pdfIn PDF document text
    • http://jdlwealth.com/images/easy-robux-hack_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/i-cant-get-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/free-spins-coinmaster_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/free-roblox-accounts-dantdm_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/give-free-robux_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/how-to-get-free-robux-promo-codes_GM431946152.pdfIn PDF document text
    • http://jdlwealth.com/images/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
    • http://jdlwealth.com/images/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004970.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4970 28408 bytes
SHA-256: 57dc01a96863bb2d2625184421729dd3482738db828e0b481c9da3da9f208b32
font_01_sfnt_off000089cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x89CC 4084 bytes
SHA-256: df85173feea72dc2f2189124c35b140faf44ef7a36f3496b492965e474480a3b
font_02_sfnt_off0000978b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x978B 18764 bytes
SHA-256: dfa0e0ac2467a401dcf1fafcf35c576492c4ef590534d1fa5d150cc8f866fc69

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