Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9abe4d4d8e8dac8…

MALICIOUS

PDF

42.4 KB Created: 2021-05-14 17:49:05 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 210952f7bf872c00ed9a1791a7314b70 SHA-1: d8901066f5c71568b5ea7284b3453ab6c95f73cd SHA-256: d9abe4d4d8e8dac89035525ac3565e3b2d73f7af52142dc036d8f39a387e69dc
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links to known malicious redirectors and websites offering game hacks, indicative of a phishing or scam attempt. The ML classifier also flagged this PDF with high confidence. The presence of embedded URLs and the lure of free game hacks suggest an attempt to redirect users to malicious sites, likely for credential harvesting or malware distribution.

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/431946152/inappropriate-roblox-game-hack In PDF document text
    • http://radoszyna.pl/images/robuxlove-net-free-robux_GM431946152.pdfIn PDF document text
    • http://radoszyna.pl/images/boost9-com-roblox-hack_GM431946152.pdfIn PDF document text
    • http://radoszyna.pl/images/coin-master-free-spin-codes_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/coin-master-hack-xyz-download_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/todays-free-spin-and-coin-links_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/how-to-play-minecraft-for-free-on-computer_GM479516143.pdfIn PDF document text
    • http://radoszyna.pl/images/roblox-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://radoszyna.pl/images/coin-master-connection-lost_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/free-downloads-for-coin-master-daily-rewards_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/www-bandicam-com-free-robux_GM431946152.pdfIn PDF document text
    • http://radoszyna.pl/images/how-do-you-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://radoszyna.pl/images/free-400-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/how-to-get-free-robux-without-doing-anything-2021_GM431946152.pdfIn PDF document text
    • http://radoszyna.pl/images/coin-master-card-hack-app_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/free-coin-master-hacks-no-verification-or-survey_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/coin-master-free-stuff_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/free-roblox-acc_GM431946152.pdfIn PDF document text
    • http://radoszyna.pl/images/easiest-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://radoszyna.pl/images/free-roblox-cards-pin-number_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
stream_003_off000049a5.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x49A5 24788 bytes
SHA-256: 9dde98898cde629ba59e929d709762b1ac5ba22539a572ac48ea24745dc55ce2
font_01_sfnt_off00008305.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8305 18412 bytes
SHA-256: 9f3a6c149e2e02a3e3a6e6c60675a112b4ad605b0f15a5c3bf146a5a78a21490

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