Malicious PDF — malware analysis report

Static analysis result for SHA-256 562daa24674d4dda…

MALICIOUS

PDF

33.4 KB Created: 2021-07-06 15:36:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-05
MD5: 2a0e6b24a5dc17c2c1f86d68fba0cc2a SHA-1: 7372e92ad97a3ad72b61ab896c92315737ed162e SHA-256: 562daa24674d4ddad841274fd0badb3db26e57ab8753e4f0bb4af39fc83d6b08
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks, specifically for Roblox, directing users to a malicious URL. The ML classifier strongly indicates maliciousness, and the embedded URLs are consistent with a phishing or malware distribution scheme. Although no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to lead the user to a site that likely hosts a malicious payload or further phishing 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/431946152/roblox-cp-game-hack PDF link annotation
    • http://stitqi.ac.id/website//repository/how-to-hack-roblox-games_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/coin-master-hacks-to-get-spins_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/minecraft-free-download-linux_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/coin-master-hack-spins-android_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/free-minecraft-accounts-2021_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/games-that-can-be-hacked_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/como-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/minecraft-kill-aura_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/coin-master-free-spins-2021-link_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-minecraft-wallpaper_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/wurst-18_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-roblox-gear_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/hacker-avatar-roblox_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/levvvel-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/minecraft-java-edition-free-download_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/op-rewards-free-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-robux-obby-no-password-2021_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/robux-online_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/what-do-roblox-points-do_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002df8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DF8 21964 bytes
SHA-256: eb9858a79a029e56db08e54c1c6f176f2b9bfc5011853736dcfb7917333eabe6
font_01_sfnt_off00005e79.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E79 18664 bytes
SHA-256: ad2375de5567111ace9dcdeb581e255bee5025da315655895a663d8322e40803

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