Malicious PDF — malware analysis report

Static analysis result for SHA-256 19fe8ddd0f939a28…

MALICIOUS

PDF

33.4 KB Created: 2021-07-07 02:06:11 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 422aee556d2c535e0761ee952eb8adc1 SHA-1: aa7e8fc064bd382e919edb4c17ad9b0aaf184eb3 SHA-256: 19fe8ddd0f939a2874d583971fd92874eb504a2387e68cc667a1ae4fffe847b6
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 0.9980

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 http://netcdn.tw/app/479516143/game-toolbox-game-hack PDF link annotation
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/roblox-shirt-template-free_GM431946152.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/how-to-get-free-robux-hack-2021_GM431946152.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-codes-for-roblox-nfl-2_GM431946152.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-minecraft-java-account_GM479516143.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/hack-version-of-coin-master-apk-download_GM406889139.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/robloxheroxyz-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/coin-master-card-hack-apk_GM406889139.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/how-to-roblox-jail-break-hack_GM431946152.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/coin-master-hack-online-generator-without-human-verification_GM406889139.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/coin-master-gold-cards-free_GM406889139.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/how-to-install-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/how-do-you-get-roebucks_GM431946152.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-working-robux-generator-no-survey_GM431946152.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/free-robux-without-doing-anything_GM431946152.pdfIn PDF document text
    • https://elearning.man5bojonegoro.com/__statics/gudangsoal/files/roblox-games-free_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
font_00_sfnt_off00002fad.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FAD 21948 bytes
SHA-256: 3d10c9bea9d3a1f03242fa7bd56a8b8dbce817631dee51dd0dc5bf9f3e74e12c
font_01_sfnt_off00005f75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F75 18476 bytes
SHA-256: c01a1db2e48faa4b65ee582e9f1b179475f12f15953c4d2ddbe4bd6925c4b25a

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