Malicious PDF — malware analysis report

Static analysis result for SHA-256 7fda5e460f8fafd7…

MALICIOUS

PDF

45.3 KB Created: 2021-06-07 01:56:55 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 5ffa394bf6b46b0b4d8b37470a689dff SHA-1: f178ad41f15132438d09ae18cc3c5ed77019143f SHA-256: 7fda5e460f8fafd74ff3488bab192b288e76469078fd20f93874a61f3c843cfb
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1203 Exploitation for Client Execution

The PDF contains a high-severity heuristic indicating it links to a 'free generator / game hack' lure. The document body and embedded URLs reinforce this, pointing to a URL associated with 'roblox-hack-menu'. This suggests the file is designed to trick users into visiting a malicious site, likely to download further malware.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9864

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/roblox-hack-menu-2021-game-hack PDF link annotation
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/minecraft-server-hacks_GM479516143.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/free-views-tiktok_GM835599320.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/robux-hack-me_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/coin-master-free-spins-daily_GM406889139.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/hackear-roblox-gratis_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/easy-hack-on-roblox_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/roblox-hack-admin-script_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/roblox-gas-station-simulator-money-hack-script_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/bloxy-site-roblox-free-robux_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/get-free-followers-on-tiktok_GM835599320.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/roblox-hack-flood-escape-2_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/free-account-roblox-2021_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/free-l-robux-2021-obby_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/how-to-earn-free-robux-with-prood_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/mad-fucker-roblox-hack_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/roblox-sunglasses-free_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/how-to-get-free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/counter-blox-roblox-offensive-exploit-hacks-by-autumn_GM431946152.pdfIn PDF document text
    • https://industrialcounsel.com/wp-content/uploads/fsqm-files/minecraft-realms-free_GM479516143.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_off00004ff5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4FF5 26500 bytes
SHA-256: 8a39b002b6b0f11c04394878e8e0503f4b4133803c6dcca7c55f7d763334c99a
font_01_sfnt_off00008c85.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8C85 18920 bytes
SHA-256: 161ddb1ab0ca55029d0fd6560c5c3edb3624e80c9f966587c4aa34ee52276079