Malicious PDF — malware analysis report

Static analysis result for SHA-256 3c24be0266c8287f…

MALICIOUS

PDF

44.3 KB Created: 2021-06-03 06:07:34 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: f74b7d59922be857ae6e5b65c21af3b9 SHA-1: aeac49a8c93b7e03252a055c71f2a07a27a9b615 SHA-256: 3c24be0266c8287fa00b05e74d76f66551badf95caeb59cdb603f67f8453cf9c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to obtaining free game items, directing users to a URL that appears to be a redirector for malicious content. The ML classifier strongly indicated maliciousness, and the embedded URI heuristic confirms the presence of a suspicious external link. No scripts were extracted, but the document's structure and embedded links suggest a phishing or scam attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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.online/app/479516143/how-to-get-minecraft-pocket-edition-for-free-game-hack PDF link annotation
    • http://perpus.masda.ac.id/repository/kuso-icu-roblox-hack_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-500-free-spins_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/roblox-promo-code-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/hack-to-send-gold-cards-on-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/hack-coin-master-download_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/robux-app_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-mod-version-free-download-v344_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/moon-static-coin-master-generator-hacks-free_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-robux-working_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/free-robux-discord_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/unlimited-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/roblox-hacked-com-2021_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/free-roblox-accounts-that-work_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/robux-com-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/free-spins-promo-code-for-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/free-coins-and-spins-for-coin-master-game_GM406889139.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/roblox-script-hack_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id//repository/roblox-robux-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/how-to-get-minecraft-for-free-on-your-phone_GM479516143.pdfIn PDF document text
    • http://perpus.masda.ac.id/repository/coin-master-links-for-free-spins-2021_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
stream_004_off000050c8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50C8 24888 bytes
SHA-256: 26fccb5fac10f8e377a5f37bd60bd2a31a926ee4bf129c1ff6e6af1f7620019c
font_01_sfnt_off00008a3f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A3F 18372 bytes
SHA-256: 48146c158bc763bc875505d5b271c3d9491fcf22091c9e02863bb81ec9b852cb

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