Malicious PDF — malware analysis report

Static analysis result for SHA-256 5bfc6e2f1724a16c…

MALICIOUS

PDF

34.2 KB Created: 2021-07-05 14:55:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: a5343034146f1be8cab40304fcff9eb2 SHA-1: ae3a0ecca1c91f1a818f3620b4894a98afdc05c4 SHA-256: 5bfc6e2f1724a16c9a8cfd14ae63edc826b3cb33c022e0d0e0605b956cdbf224
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a high-confidence heuristic indicating it links to a 'free generator / game hack' redirector. The document body and extracted URLs reinforce this, pointing to sites offering game hacks and cheats. This suggests the primary goal is to trick the user into visiting a malicious URL, likely for malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.tw/app/406889139/do-coin-master-hacks-work-game-hack PDF link annotation
    • https://katalog.smkn1glagah.sch.id/repository/download-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/coin-master-hack-version-download-2021_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/adidas-t-shirt-for-roblox-free_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/how-to-download-minecraft-for-free-ios_GM479516143.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/invincible-hack-roblox_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/how-to-get-free-robux-instantly_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/hack-robux-no-inspect_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/coin-master-free-spins-cheat-deutsch_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/roblox-how-to-get-free-admin-on-any-game_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/does-coin-master-hack-work_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/promocodes-free-robux_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/www-coin-master-hack-com_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/roblox-com-toys-free-codes_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/script-executor-roblox-download-free-2021_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/roblox-new-cheat-2021_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/youtube-how-to-use-cheat-engine-on-roblox_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/how-to-get-free-roblox-premium_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/coin-master-daily-gift-free-spins-and-coins_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_002_off00002fc3.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x2FC3 22736 bytes
SHA-256: 2c26332ffa2c78c5d9dacb5a9a764a32b4aab96130d08a198a42757092e192b3
font_01_sfnt_off000062be.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x62BE 18368 bytes
SHA-256: 90ad0cf12c2a6916d2c592b01db25014e61bd9465bbe9f6561250b63871a9567

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