Malicious PDF — malware analysis report

Static analysis result for SHA-256 e4e9c5d23a647fae…

MALICIOUS

PDF

43.4 KB Created: 2021-05-11 20:07:43 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 29c4b8f0a8274bb46e5d4c2a14c44147 SHA-1: 7d6dc948882975bfe4349648d1fea8d2b21813f9 SHA-256: e4e9c5d23a647fae8cca3f2ec683feba03b8c7fad7d1eaa050615567c384ca0f
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 0.9969

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/479516143/mine-minecraft-games-for-free-game-hack PDF link annotation
    • https://e-learningmin10jakarta.com/__statics/gudangsoal/files/roblox-redeem-codes-free_GM431946152.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/coin-master-free-attack-hack_GM406889139.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/minecraft-hacked-client-download_GM479516143.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/i-want-free-robux_GM431946152.pdfIn PDF document text
    • https://e-learningmin10jakarta.com/__statics/gudangsoal/files/coin-master-daily-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • https://e-learningmin10jakarta.com/__statics/gudangsoal/files/free-coin-spin-daily-link-for-coin-master-game_GM406889139.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/hack-coin-master-game-download_GM406889139.pdfIn PDF document text
    • https://e-learningmin10jakarta.com/__statics/gudangsoal/files/how-to-get-free-outfits-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/roblox-hax_GM431946152.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/get-free-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://e-learningmin10jakarta.com/__statics/gudangsoal/files/coin-master-hack-no-verification_GM406889139.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/free-coins-and-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/will-minecraft-dungeons-be-free_GM479516143.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/coin-master-spin-link-today_GM406889139.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/how-to-get-free-gamepasses-on-roblox_GM431946152.pdfIn PDF document text
    • https://e-learningmin10jakarta.com/__statics/gudangsoal/files/free-avatar-roblox_GM431946152.pdfIn PDF document text
    • https://e-learningmin10jakarta.com/__statics/gudangsoal/files/coin-master-heaven-daily-free-spins-and-coins-links_GM406889139.pdfIn PDF document text
    • https://www.e-learningmin10jakarta.com/__statics/gudangsoal/files/minecraft-mac-free_GM479516143.pdfIn PDF document text
    • https://e-learningmin10jakarta.com/__statics/gudangsoal/files/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • https://e-learningmin10jakarta.com/__statics/gudangsoal/files/free-coins-coin-master-today_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_off00004e6b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4E6B 25540 bytes
SHA-256: e5192b19c1870b72504925bd139619ea4b39462992d10a03e997afce7de7937c
font_01_sfnt_off00008878.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8878 17968 bytes
SHA-256: cadb606d3d0b8b0ab684217e51fa9c6d47dd4cc69c3dac55631094b48cac1516

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