Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a09ab2f7833eaa1…

MALICIOUS

PDF

35.6 KB Created: 2021-07-03 22:28:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-27
MD5: 3d7a89dd1ba257fea3ca845e31f7a6ef SHA-1: d14d8354aeda94fd9df857a8bf239793269f7ed5 SHA-256: 4a09ab2f7833eaa1550af782ec54ed0a101adba97f307fe01dd87d4d48c61f64
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document contains a prominent link disguised as a 'free generator / game hack' lure, directing users to a suspicious URL. The document body reinforces this lure by mentioning 'Play Full Version Of Minecraft For Free No Download'. The presence of this lure, combined with the ML classifier's high confidence, indicates a malicious intent to redirect users to potentially harmful content.

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/play-full-version-of-minecraft-for-free-no-download-game-hack PDF link annotation
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/free-400-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/free-tiktok-followers-no-human-verification-or-survey_GM835599320.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/coin-master-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/roblox-skins-free-download-girl_GM431946152.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/free-tiktok-followers-no-downloads_GM835599320.pdfIn PDF document text
    • http://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/free-robux-generator-without-offers_GM431946152.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/minecraft-items_GM479516143.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/500-free-coin-master-spins_GM406889139.pdfIn PDF document text
    • http://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/how-to-get-free-money-in-bloxburg-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/free-tiktok-likes-no-survey_GM835599320.pdfIn PDF document text
    • http://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/how-to-hack-servers-in-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/play-full-version-of-minecraft-for-free-no-download_GM479516143.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/oprewards-com-earn_GM431946152.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/coin-master-card-collection-hack_GM406889139.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/coin-master-hack-account_GM406889139.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/free-game-packs-for-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/colossus-legends-roblox-hack_GM431946152.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/coin-master-admin-free-spins_GM406889139.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/free-roblox-codes-2021-march_GM431946152.pdfIn PDF document text
    • https://elearning.manurulkhoir.sch.id/__statics/gudangsoal/files/links-to-get-free-coins-in-coin-master_GM406889139.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_off00003611.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3611 21740 bytes
SHA-256: 8f1e78f7ea2935e39f87966a8fe9801100c800a5a35e992964181196733c1542
font_01_sfnt_off000065cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x65CD 19184 bytes
SHA-256: 5e32e363d8c65815c6d01de56cc06b1aeed3e4c2338534b38083fd982a037e53

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