Malicious PDF — malware analysis report

Static analysis result for SHA-256 6bbd3b28c29ff97b…

MALICIOUS

PDF

41.7 KB Created: 2021-05-13 18:43:14 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 5058099d25cd9eb9f925a57336bfe1c8 SHA-1: 5c4e46ffe867beed74aa99b2d3548659d623bb7f SHA-256: 6bbd3b28c29ff97bd56ca29ac0cc284b0cda0f37f6bc72286a2025b3b487125e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains numerous embedded URLs, many of which are disguised as game-related hacks or generators. The primary URL, 'https://netcdn.xyz/app/431946152/how-to-hack-in-roblox-prison-life-game-hack', is directly linked to a 'game hack' lure, indicating a social engineering attempt to drive traffic to potentially malicious sites. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest a phishing or malware distribution vector.

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/how-to-hack-in-roblox-prison-life-game-hack PDF link annotation
    • https://library.um-sorong.ac.id/repository/hackear-coin-master-sin-verificacion_GM406889139.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/free-robux-generator-2021_GM431946152.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/rbx-free-robux_GM431946152.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/how-to-make-a-private-server-on-roblox-for-free_GM431946152.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/free-coin-master-cards_GM406889139.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/roblox-rape-hack_GM431946152.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/coin-master-free-coins-and-spins-link_GM406889139.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/wurst_GM479516143.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/minecraft-bedrock-edition-pc-free_GM479516143.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/give-me-robux_GM431946152.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/coin-master-free-spins-hack-but-no-surveys_GM406889139.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/legit-coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/free-games-like-roblox_GM431946152.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/free-spin-coin-master-link-2021_GM406889139.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/easy-points-gg_GM431946152.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/how-to-earn-robux_GM431946152.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/real-robux-codes_GM431946152.pdfIn PDF document text
    • https://library.um-sorong.ac.id/repository/coin-master-hack-ios-download-2021_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_off000046f5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x46F5 24848 bytes
SHA-256: ff2a2a797a7722b42cedd9763786963e7d69c85c20fc0d8df8140d572d4cb26b
font_01_sfnt_off00007f96.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7F96 18620 bytes
SHA-256: 06c4a0a22987171f64eaf6d898502a0ddf1128172b72fd679b67faae34548247

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