Malicious PDF — malware analysis report

Static analysis result for SHA-256 6952f97c86ae068e…

MALICIOUS

PDF

34.8 KB Created: 2021-06-19 14:25:15 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 9a45d6e6b574b8817ffbb8ae9083787e SHA-1: ecb79b8c3881ca201d8500a6bfa227f8a4c3f9eb SHA-256: 6952f97c86ae068e44921f0a51a9c102419b8639da918b0e68e2b737b8d50e8f
82 Risk Score

Malware Insights

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

The PDF document contains a lure related to game hacks and generators, directing users to a suspicious URL. This indicates a social engineering tactic to trick users into visiting a potentially malicious site. The ML classifier strongly flagged this PDF as malicious, supporting the assessment of 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/cheat-granny-roblox-2021-game-hack PDF link annotation
    • https://sensorcamera-tw.com/upload/files/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-minecraft-coloring-pages_GM479516143.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-roblox-faces-2021_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/coin-master-free-spins-fb_GM406889139.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/minecraft-pocket-edition-apk-free-download_GM479516143.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-pet-treats-coin-master_GM406889139.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/claim-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/how-to-get-free-robux-2021-no-human-verification_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/roblox-studio-2021-download-free_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/coin-master-free-redeem-code_GM406889139.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/minecraft-cheat-client_GM479516143.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/how-to-get-free-robux-generator_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/robux-hack-for-2021_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/roblox-free-play-no-download_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/minecraft-for-ipad-free_GM479516143.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/minecraft-launcher-free_GM479516143.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/coin-master-free-gifts_GM406889139.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-robux-co_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
    • https://sensorcamera-tw.com/upload/files/free-robux-generator-no-verification-2021_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_off000030cf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x30CF 22144 bytes
SHA-256: e232b7c5a553a2c2f03c3828742859f13f3cc65d653361945bc48566075b8615
font_01_sfnt_off00006205.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6205 19336 bytes
SHA-256: c554781c792e8afed8c08004ff100245127c47fbc5aa581aa022458eccb3c611

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