Malicious PDF — malware analysis report

Static analysis result for SHA-256 71c60b149147cf57…

MALICIOUS

PDF

34.7 KB Created: 2021-06-29 17:06:41 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: dd272c0baefbfd141cf6339991f224f0 SHA-1: 4387eddc1e2e9bd48f0de7d8abee807ff2eb82bb SHA-256: 71c60b149147cf577b8c3e7db29a9e300604cb078fbef2299876181f5811ac6f
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links related to game cheats and hacks, with a primary URL pointing to 'roblox-doom-cheats-game-hack'. This suggests a social engineering tactic to trick users into visiting malicious websites, likely for malware distribution or phishing. No scripts were extracted, but the PDF structure and embedded URLs strongly indicate a malicious intent.

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.co/app/431946152/roblox-doom-cheats-game-hack PDF link annotation
    • http://sdn4-wates.sch.id/akasia/repository/roblox-csblox-hack_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-apk-mod-free-download_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/how-to-get-animation-pack-for-free-robux_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-robux-sites-positivly-real-and-working_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/wanna-join-my-free-giftcard-giveaway-roblox-iud_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-free-builders-club-2021-android_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-bloxburg-hack_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/free-robux-hack-us-2021_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/gaming-cheatscom-roblox-us_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/how-to-hack-roblox-to-stop-getting-rapid-killed_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/how-do-you-getv-free-robux_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/coin-master-hack-without-verification-code_GM406889139.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/minecraft-coins-free_GM479516143.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-bux-cheats_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-prison-life-free-swat_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/murder-island-hack-roblox_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-skywars-how-to-get-free-armor_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/minecraft-116-1-download_GM479516143.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/roblox-monster-battle-hack_GM431946152.pdfIn PDF document text
    • http://sdn4-wates.sch.id/akasia/repository/will-uk-rc-redwood-county-roblox-be-free_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_off0000305b.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x305B 22456 bytes
SHA-256: bc1bd5b49c9c597e1fac5df023a17f2e471902429b0cbd0da4605a009f5c50de
font_01_sfnt_off00006255.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6255 19184 bytes
SHA-256: 7b3dfc1aae0ad3e130b6b5d87348131c42c0fdd914172c77bdd2c31722d99b73

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