Malicious PDF — malware analysis report

Static analysis result for SHA-256 1de31477813b75c8…

MALICIOUS

PDF

33.1 KB Created: 2021-07-06 09:56:44 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 3c6fa0d5dd7644876cf9a17c30730668 SHA-1: 59e7f29d9debd6d35eb33e7200f181404b280e68 SHA-256: 1de31477813b75c8240624e94b8db67ad3ec0cab8faa96e5cbdaac939a408b46
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/free-minecraft-mods-game-hack PDF link annotation
    • http://www.alsultantrading.ae/userfiles/files/how-to-get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-robux-offers_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/how-to-exploit-roblox_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/coin-master-free-spin-and-coins-links-2021_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/haktuts-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-minecraft-java-server_GM479516143.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-coin-master-gifts_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/how-to-get-free-tiktok-followers-without-verification_GM835599320.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-spins-coin-master-links-blogspot_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-robux-place_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/freer-pro-tiktok_GM835599320.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/get-free-robux-now_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/xray-hack_GM479516143.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/how-to-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/minecraft-win-10-free_GM479516143.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/injecthack-roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-spin-and-coin-blogspot_GM406889139.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/minecraft-games-free-download_GM479516143.pdfIn PDF document text
    • http://www.alsultantrading.ae/userfiles/files/free-robux-without-offers_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_off00002eae.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EAE 21864 bytes
SHA-256: 81a26aff021a7e025d41ed8e2ba89e2e692759ffaa47f75d25b732411f10f536
font_01_sfnt_off00005ec0.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5EC0 18172 bytes
SHA-256: 2b18abc752ea10ed32dff01632e9a279be12b5ed0daf6dc49bb119b305c6d31f

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