Malicious PDF — malware analysis report

Static analysis result for SHA-256 18c2ec89d624237f…

MALICIOUS

PDF

44.5 KB Created: 2021-06-08 19:05:29 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: ef14fa37175dccc3f1f3c3dcdefa4f67 SHA-1: 8fb87529f06259027442a4669192c26c3ef5a4ee SHA-256: 18c2ec89d624237f0fc4cb3144b9436362081a8c11646190c07820a10bb25772
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

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 0.9865

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.tw/app/431946152/download-cheat-for-roblox-counter-blox-game-hack PDF link annotation
    • http://library.forda-mof.org/katalog/repository/get-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/wwwhaktutsin-2021-08-coinmasterfreespinandcoinlinkhtml-m-1_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/coin-master-daily-free-spins-and-coins_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-roblox-followers-generator-2021_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/tiktok-free-view-uk_GM835599320.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-get-unlimited-robux_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-get-free-robux-on-phone-2021_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-do-i-get-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/spins-gratis-coin-master-hoy_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-get-minecraft-java-free_GM479516143.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-change-your-roblox-username-for-free-2021_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-premium-roblox_GM431946152.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/how-to-get-coin-master-card-free_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/coin-master-free-spins-apk-2021_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/minecraft-gun-mod-download-free_GM479516143.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/coin-master-free-spin-best-link_GM406889139.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/minecraft-the-complete-handbook-collection_GM479516143.pdfIn PDF document text
    • http://library.forda-mof.org/katalog/repository/free-coin-master-app_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_off00005085.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5085 24744 bytes
SHA-256: ed7bfac169c0cccce327b6dbca7ff5337b3e127dd162661daaba63d6da895f56
font_01_sfnt_off000088de.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x88DE 19092 bytes
SHA-256: 3b21c2e3b4983ac425c07be43dd3b8f146382fd85b5683687da3000347a31ad8

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