Malicious PDF — malware analysis report

Static analysis result for SHA-256 9607d21c041b5929…

MALICIOUS

PDF

46.0 KB Created: 2021-05-10 23:05:18 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-23
MD5: d219e557cdeaf94b26eb7b7ac7f9103a SHA-1: fba34856bc79ad989187442e8992adba6862b8e5 SHA-256: 9607d21c041b59298262203beeda9a0f921e8ac54486adc4b7ca23477e77fedc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9432

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-free-daily-spins-game-hack PDF link annotation
    • http://aviaprofsoyuz.info/images/minecraft-bedrock-free-with-java_GM479516143.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-private-minecraft-server_GM479516143.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/minecraft-xbox-360-free_GM479516143.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-robux-no-human-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-roblox-accounts-dantdm_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/coin-master-apk-mod_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/roblox-free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/minecraft-games-online-free-no-download_GM479516143.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-robux-games-that-actually-work_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/coin-master-free-coins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/coin-master-free-spins-daily-2021_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/roblox-www-com_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-coins-and-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/coin-master-hack-september-2021_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/cmaster-club-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/wurst-commands_GM479516143.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-coin-master-coins_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/how-to-get-free-clothing-on-roblox_GM431946152.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/free-spin-coin_GM406889139.pdfIn PDF document text
    • http://aviaprofsoyuz.info/images/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off0000495b.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x495B 26812 bytes
SHA-256: 678545c7b2d8aa527645fb5026b3b66a937b51d068c227c7bdbcb9d639005dcb
font_01_sfnt_off0000862d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x862D 3204 bytes
SHA-256: 8c2546387700f45186c395d475006178ee984eabbc175bcf1ee6eb58ba8b57aa
font_02_sfnt_off00009130.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9130 18308 bytes
SHA-256: 5c3cefeee4a209382fad51155f4ab19c665f35dca270fe96ae1b58d23c3d8f95

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