Malicious PDF — malware analysis report

Static analysis result for SHA-256 4a16724fe2daad34…

MALICIOUS

PDF

34.2 KB Created: 2021-06-21 14:27:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 7314cbbc79ee2000c64412cd03f75895 SHA-1: 862e7121de27e2c8308f8354a2d4d9079ddb3282 SHA-256: 4a16724fe2daad345046dd53c99046dd294269092800a30747a60730c5322feb
82 Risk Score

Malware Insights

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

The PDF document contains multiple links and a lure related to game hacks and cheats, specifically targeting popular games like Roblox and Minecraft. The primary link, http://netcdn.co/app/431946152/roblox-shopping-simulator-hack-game-hack, suggests a malicious redirector designed to lead users to potentially harmful content or downloads. The ML classifier also strongly flagged this PDF as malicious.

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-shopping-simulator-hack-game-hack PDF link annotation
    • https://www.manmed.info:443/images/how-to-buy-robux-for-free_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/aimbow-hack-fr-roblox-strucid_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-roblox-account-paswords-with-robux_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/roblox-login-hack-for-robux_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/roblox-hack-2021_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/pokemon-go-free-wallhack_GM1094591345.pdfIn PDF document text
    • https://www.manmed.info:443/images/roblox-hacking-software_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-spins-and-coins-daily_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/can-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-hack-app-for-ios_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/minecraft-hacked-client_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-free-items_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/dragon-ball-fury-roblox-hacked_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/hack-roblox-accounts-with-robux_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/roblox-hacks-for-mac_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/download-free-roblox-robux-hack_GM431946152.pdfIn PDF document text
    • https://www.manmed.info:443/images/how-to-get-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
    • https://www.manmed.info:443/images/coin-master-spin-hack_GM406889139.pdfIn PDF document text
    • https://www.manmed.info:443/images/free-robux-cosed_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_off00002f95.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F95 21596 bytes
SHA-256: d12c437ed6a8b1ecff93e902c0d62de4a074afb848959cc005e97896382f486f
font_01_sfnt_off00005f32.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F32 19624 bytes
SHA-256: 65aa3656ae7a8a4333f0e818433748caacf10382b319c2b72bd15c191d0e5785

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