Malicious PDF — malware analysis report

Static analysis result for SHA-256 00677f164494e42f…

MALICIOUS

PDF

34.2 KB Created: 2021-07-19 13:01:51 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: a60beb019b60258e8827204cfe729ee3 SHA-1: 14e48a54f99b8ca173e7d1bfaacca7524bd65228 SHA-256: 00677f164494e42f4988302520924b56bae28b3e4fc1919ed8f5817ccaff7cc5
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 0.9956

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/431946152/how-to-get-free-robux-easy-2021-game-hack PDF link annotation
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-robux-giveaway_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/robux-gift-card-free_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/how-you-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-spins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-tiktok-hearts_GM835599320.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-tiktok-followers-no-human-verification_GM835599320.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/free-robux-codes-no-verification_GM431946152.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • https://elearning.misalifadah.com/__statics/gudangsoal/files/minecraft-free-download-android_GM479516143.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_off00002bc0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2BC0 23284 bytes
SHA-256: afe7dd7df45f199e243c2cfe761fd7b900708b5d0b51aa656d387817e473e48d
font_01_sfnt_off00006093.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6093 19276 bytes
SHA-256: 9f22d9eedc59cc6147a13ff82aa3768ba2a0c9b9a35b2047936220c7f40e5b3c

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