Malicious PDF — malware analysis report

Static analysis result for SHA-256 e749d15933623775…

MALICIOUS

PDF

44.8 KB Created: 2021-05-12 04:30:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: e05d83dc5ebf177cd807473e87d68a21 SHA-1: a353aa77ccf10397e40e3ccd022e9ad9b7d49f7e SHA-256: e749d15933623775d074c06836bd5bd1af789f3736af608300b2edcacf8ed409
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'free unlimited Robux' and a link to a game hack generator. This link redirects to a malicious URL, indicating a phishing or scam attempt. The presence of embedded URLs and the ML classifier's high confidence score support this assessment. No scripts were extracted from this sample.

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 https://netcdn.xyz/app/431946152/free-unlimited-robux-game-hack PDF link annotation
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/daily-free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/static-moonactive-net-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/hack-coin-master-net_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/mcpe-optifine_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/coin-master-working-hack_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/free-spins-coin-master-links_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/free-robux-apps-that-work_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/coin-master-hack-2021-no-human-verification_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/coin-master-free-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/free-minecraft-account-reddit_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/minecraft-pocket-edition-free-download_GM479516143.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/coin-master-hack-iosgods_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/coin-master-hack-with-lucky-patcher_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/free-spins-coin-master-no-survey_GM406889139.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-without-verifying-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://elearning.mtsn2bolmong.sch.id/__statics/gudangsoal/files/free-roblox-toys_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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004cb7.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CB7 27068 bytes
SHA-256: c08ef5788a2af92d32bb209b7d5f648604cf47afe8461ae789dd29680dc120f8
font_01_sfnt_off00008b49.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8B49 18932 bytes
SHA-256: c9ac8ff14f07bfa737a68dd52966d36d325e06134ccd0dbc32924edcfa3e5a8c

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