Malicious PDF — malware analysis report

Static analysis result for SHA-256 018add4b2c41c7fe…

MALICIOUS

PDF

34.1 KB Created: 2021-06-18 06:20:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 11ec3392cb895bc5deda77aaf3e1d59f SHA-1: c0b31d204f21d8c508b8482cc9a79b1faf211df8 SHA-256: 018add4b2c41c7fe3174882c70da3e8cc5c40561df4849c18f8b0f7f56eeb517
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document was flagged as malicious by an ML classifier. The file routes users through malicious redirector infrastructure and presents a deceptive download button. Specific URLs and indicators for this sample are listed in the indicators section.

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/watch-videos-and-complete-offers-to-earn-free-robux-game-hack PDF link annotation
    • https://pemadamapi.net/images/flip-master-coins-hack_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/roblox-hair-for-free_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/synapse-roblox-hack_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/free-spins-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/how-to-hack-games-like-roblox_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/free-minecraft-generator_GM479516143.pdfIn PDF document text
    • https://pemadamapi.net/images/free-spins-coin-master-blogspot_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/pubg-uc-generator-2021_GM1330123889.pdfIn PDF document text
    • https://pemadamapi.net/images/roblox-download-pc-free_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/free-coins-coin-master-spins_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/free-robux-without-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/roblox-hack-tool-2021-download_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/free-spins-in-coin-master-without-human-verification_GM406889139.pdfIn PDF document text
    • https://pemadamapi.net/images/cheat-roblox-storm-beyond_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/roblox-how-to-get-everything-free-in-the-ca_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/free-robux-games_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/free-robux-scams-how-to-stop-them_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/can-roblox-tell-if-you-are-hacking_GM431946152.pdfIn PDF document text
    • https://pemadamapi.net/images/free-animation-roblox_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_off00002e53.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2E53 21496 bytes
SHA-256: 97a9ff28dfa92e81819e3d53606d92410910064851c8cb0a3d0e4d28224b2b69
font_01_sfnt_off00005d93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5D93 19936 bytes
SHA-256: b148d0f6e3ec816c298b54c56e4da4568ec15a2f01066c901de435fa324c4edb

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