Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7f3310604f4991b…

MALICIOUS

PDF

34.2 KB Created: 2021-06-19 00:20:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 70e894992913ce689d42740ecb8e8c67 SHA-1: 06f2ae88663eba82f469dccbe4b849d17c18505b SHA-256: f7f3310604f4991b6ee76efb30c3578c7a6e83d7de78dd49fef2ecc2553f83d7
82 Risk Score

Malware Insights

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

The PDF document contains a prominent link and text related to game hacks for popular titles like Roblox and Coin Master. This lure is designed to trick users into visiting a malicious URL, likely for malware distribution or credential harvesting. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of a malicious intent.

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.co/app/431946152/easy-hack-to-get-halos-in-royale-high-roblox-game-hack PDF link annotation
    • http://perpus.poltekeskupang.ac.id//repository/fbchampion-com_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/is-minecraft-realms-free_GM479516143.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/how-to-make-a-minecraft-java-server-for-free_GM479516143.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/coin-master-event-hack_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/hack-coin-master-apk-download_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/kron-hack-for-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/how-do-you-get-roblox-money_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/project-lazarus-roblox-cheat_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/free-spins-coin-master-2021-glitch_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/hack-week-2021-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/how-to-get-free-robux-on-phone-no-download_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/how-to-cheat-money-in-jailbreak-roblox_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/roblox-bee-swarm-simulator-honey-hack-download_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/60-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/how-to-get-free-robux-hack-on-ios_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id//repository/free-robux-hack-no-verification_GM431946152.pdfIn PDF document text
    • http://perpus.poltekeskupang.ac.id/repository/how-to-get-free-robux-2021-easy_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
font_00_sfnt_off00002e85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E85 22364 bytes
SHA-256: 56f1f2e930a05fa9bb1ff6add7f4ed1b3dafb923f527563ea28f628d44f61d9d
font_01_sfnt_off00005ff7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5FF7 19228 bytes
SHA-256: 5a4243e970d054b0c533c88a9881563ece651e39f5500bbe2ddbbefaa87395bc

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