Malicious PDF — malware analysis report

Static analysis result for SHA-256 e6409f7e08165069…

MALICIOUS

PDF

35.0 KB Created: 2021-07-03 16:32:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 7726e6b9fa076fab0ac40e97a481ded9 SHA-1: 3d862828953e7a133d0400d7162e806eb18e17d0 SHA-256: e6409f7e08165069d3fee6934bd61f9de6e8692918e863c1c3cce3a009ebf71d
82 Risk Score

Malware Insights

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

The PDF document contains a lure for game hacks, specifically targeting Roblox and Coin Master players, directing users to a suspicious URL. The ML classifier strongly indicates maliciousness, and the presence of embedded URLs suggests an attempt to redirect users to a malicious site for exploitation or further payload delivery. No scripts were extracted, but the document structure and embedded URLs are indicative of a social engineering attack.

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/hacks-para-roblox-game-hack PDF link annotation
    • http://stitqi.ac.id/website//repository/coin-master-daily_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-get-free-robux-easy-hack_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/no-human-verification_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/hack-robux-hack-hack_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-get-free-stuff-on-roblox-2021_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-roblox-accounts-with-obc-2021_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-fire-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/free-coin-master-gifts_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/free-robux-glitch_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/free-coin-master-spins-no-human-verification_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-download-wurst_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/coin-master-daily-free-rewards_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/coinmasterhack-club_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/free-disney-plus-accounts-tiktok_GM835599320.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/minecraft-free-download-windows-10_GM479516143.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/pro-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://stitqi.ac.id/website/repository/how-to-hack-someones-account-on-roblox_GM431946152.pdfIn PDF document text
    • http://stitqi.ac.id/website//repository/robuxfree-con_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_off00003072.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3072 23016 bytes
SHA-256: ab465290711b3b66d95f328fbda1d1b10c6a39980c8d5bbcf10e2576f1d4cdb8
font_01_sfnt_off0000646a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x646A 18808 bytes
SHA-256: 18c04ed6d416389464b421298170c47648070a4b7ff5aa0adb6f039d676fa700

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