Malicious PDF — malware analysis report

Static analysis result for SHA-256 f56e99a83458c6ed…

MALICIOUS

PDF

36.7 KB Created: 2021-06-29 02:40:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 0b984c5bd4613262840b9ea301b1d374 SHA-1: ab03e2e8175162b8b6b91d0ba9e1428d7fad5c08 SHA-256: f56e99a83458c6ed9d788789c7851c0d105d05049539159e25acbd49112689ce
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded links and a lure related to game hacks, specifically for Roblox. The primary link, http://netcdn.co/app/431946152/ultimate-trolling-gui-roblox-download-free-game-hack, suggests a malicious download or redirect. While no scripts were explicitly extracted, the PDF structure and heuristic firings indicate a malicious intent to redirect users to potentially harmful websites.

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/ultimate-trolling-gui-roblox-download-free-game-hack PDF link annotation
    • https://privatearrangements.co.nz/public/files/como-ser-hacker-no-roblox-2021_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/how-to-get-free-roblox-hair_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/legit-coin-master-hack-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/app-for-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/free-roblox-army-groups_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/vehicle-tycoon-roblox-hack_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/hacks-para-roblox_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/minecraft-for-free-on-phone_GM479516143.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/people-that-give-you-free-things-on-roblox_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/roblox-we-are-number-one-hack_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/get-newer-phone-for-free-robux_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/free-roblox-vip-login_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/roblox-hack-freehackshop_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/hack-roblox-fr-jailbreak-fr_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/minecraft-dungeons-free-download_GM479516143.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/how-to-hack-to-get-robux_GM431946152.pdfIn PDF document text
    • https://privatearrangements.co.nz/public/files/roblox-animation-hack-pastebin_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 7

Ranked by shared artifacts, heuristics, extracted URLs, CVEs, and signatures.

Full JSON: related samples API

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off000033a1.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x33A1 23336 bytes
SHA-256: b6c49157ffb5701e63def3bc4d9879eecafb5a720f596c0b5169855cd74ff5f3
font_01_sfnt_off00006851.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6851 19780 bytes
SHA-256: 060d13e12278ed040c278c97ff0e177d583135c83cba3789b2e492f5a4694a7b

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