Malicious PDF — malware analysis report

Static analysis result for SHA-256 deab927c26e4dbdf…

MALICIOUS

PDF

42.0 KB Created: 2021-05-10 14:43:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: e4714ed832eefe24c6507a883c29fdb3 SHA-1: 1dcc484975e08a08ed059897638bd4f4e3e48871 SHA-256: deab927c26e4dbdfd880aaf9052f43dc9fd2370aeb88e117eaf10f19bcb397c3
82 Risk Score

Malware Insights

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

The PDF contains a high-confidence heuristic indicating it links to a game hack lure. The document body and extracted URLs reinforce this, pointing to sites offering 'free generators' or 'hacks' for popular games. This suggests the primary goal is to trick users into visiting a potentially malicious site or downloading further malware.

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/406889139/coin-master-golden-cards-hack-game-hack PDF link annotation
    • http://repository.poliven.ac.id//repository/free-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/how-to-get-1-million-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/coin-master-free-coins-hack_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/youtube-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/coin-master-3533-android-hack_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/free-robux-app-2021_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/how-to-get-free-cards-for-coin-master_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/free-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/if-you-delete-minecraft-can-you-redownload-it-for-free_GM479516143.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/coin-master-free-spins-bit-ly_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/free-robux-reddit_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/play-coin-master-online-free_GM406889139.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/show-me-how-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/robux-for-offers_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id//repository/how-do-you-get-free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/free-robux-without-human-verification-real_GM431946152.pdfIn PDF document text
    • http://repository.poliven.ac.id/repository/coin-master-hacks-that-actually-work_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_off00004b31.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B31 24296 bytes
SHA-256: 7c19d5e150f82c2b789509c4c99637524f2e2ad89089bc23aa263a9348f54bba
font_01_sfnt_off000082d7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x82D7 17964 bytes
SHA-256: adb4edbf0c57abdeeb225f0bd422abdfe2e9b1ff4eb8b752c2c204cd3e2141b0

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