Malicious PDF — malware analysis report

Static analysis result for SHA-256 0beacd29545d184d…

MALICIOUS

PDF

41.7 KB Created: 2021-05-15 01:41:30 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 50b8d05ab8441365a54c32891a4b8b76 SHA-1: 7cb5ab0752fad9f6aa9e6d9407116c2b8a7b668b SHA-256: 0beacd29545d184d5398523c42cb6e0b9d2f8ffe06b6f65a62bdee42529e57df
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that are identified as malicious redirectors, specifically luring users with promises of game hacks and free currency. The primary malicious URL identified is https://netcdn.xyz/app/406889139/free-coin-master-spins-blogger-game-hack. The presence of these links and the ML classifier's high confidence score indicate a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9971

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/free-coin-master-spins-blogger-game-hack In PDF document text
    • http://pa-kabmadiun.go.id/images/coin-master-get-free-spins_GM406889139.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/roblox-land-free-robux_GM431946152.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/minecraft-client-download_GM479516143.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/coin-master-hack-unlimited-spins-apk_GM406889139.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/free-robux-come_GM431946152.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/free-roblox-money_GM431946152.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/minecraft-mods-download-free_GM479516143.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/earn-robux-now_GM431946152.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/free-robux-hack-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/i-want-free-robux_GM431946152.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/coin-master-hack-to-get-free-spins_GM406889139.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/minecraft-realms-free-trial_GM479516143.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/hack-coin-master-apk-2021_GM406889139.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/coin-master-hack-review_GM406889139.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/earn-free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/free-coins-for-coin-master-blogger_GM406889139.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/roblox-hack-ga_GM431946152.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/coinmaster-com_GM406889139.pdfIn PDF document text
    • http://pa-kabmadiun.go.id/images/minecraft-free-download-unblocked_GM479516143.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_off00004723.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4723 24732 bytes
SHA-256: 1de587b264dac4c925ac0c2fa80f043fba0b662cb27a505fca678d70b1726652
font_01_sfnt_off00008009.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8009 18464 bytes
SHA-256: a2c76306a813766f02d16bba13a6176cc917de49c90529db8e6e2ffa1e8149db

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