Malicious PDF — malware analysis report

Static analysis result for SHA-256 ccffe16f627e9600…

MALICIOUS

PDF

35.4 KB Created: 2021-06-29 06:45:50 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: 50a9752683152b154c5cc03a98ad2476 SHA-1: 49a2c9d972933ba27e0c302eb8cf841d80a22920 SHA-256: ccffe16f627e960078285f0e05e0296f2c99bb7cd38ee3466c064e00a848269d
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF document contains a lure related to 'Roblox Exploit Download For Free' and includes a high-risk heuristic firing for a game hack redirector. The document body and extracted URLs point to malicious domains, suggesting an attempt to trick users into downloading potentially harmful software. No scripts were extracted from this sample.

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-exploit-download-for-free-game-hack PDF link annotation
    • http://library.stikessuakainsan.ac.id/repository/free-minecraft-skins_GM479516143.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/play-minecraft-for-free-on-pc_GM479516143.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/how-do-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/hacks-for-legends-of-speed-roblox-download_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/free-roblox-shirt-template-nurse_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/coin-master-free-spins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/coin-master-coins_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/roblox-free-items-glitch_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/free-minecraft-bedrock-server_GM479516143.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/get-free-robux-denis_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/free-roblox-toys_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/roblox-phantom-forces-level-hack_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/free-robux-hack-generator_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/free-shirts-pants-roblox_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/roblox-limited-lua-hacks_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/bloxpink-free-robux_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/hack-xp-net-coin-master_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id//repository/free-links-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/roblox-hack-lumber-tycoon-2-script-inserter_GM431946152.pdfIn PDF document text
    • http://library.stikessuakainsan.ac.id/repository/coin-master-hack-that-actually-works_GM406889139.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_off0000302c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x302C 22828 bytes
SHA-256: 06b514acd0b46136631be521a1d7c3166c8347657fb711ef423ff4a412152d67
font_01_sfnt_off000063b7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x63B7 19556 bytes
SHA-256: d22a5563e8b84cebea60ae85e7a65ac0184f4c4206674e1f147ea4df4acbfc51

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