Malicious PDF — malware analysis report

Static analysis result for SHA-256 3d39211f76a271c9…

MALICIOUS

PDF

42.7 KB Created: 2021-05-17 17:59:48 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 22d2c08acfc23603e872637ad22fe44c SHA-1: c11ec36f1ec568018441c0bf740be22b7269a0c9 SHA-256: 3d39211f76a271c9ce617037204c1886c82fe5fbe947c7ece1b315d35356c91a
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 0.9971

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 https://netcdn.xyz/app/431946152/girl-roblox-avatar-game-hack PDF link annotation
    • http://oddgraphic.com/images/free-robux-no-verification-needed_GM431946152.pdfIn PDF document text
    • http://oddgraphic.com/images/minecraft-tower-defense-hacked_GM479516143.pdfIn PDF document text
    • http://oddgraphic.com/images/free-roblox-hack-us_GM431946152.pdfIn PDF document text
    • http://oddgraphic.com/images/games-for-robux_GM431946152.pdfIn PDF document text
    • http://oddgraphic.com/images/free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://oddgraphic.com/images/free-coins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://oddgraphic.com/images/coin-master-free-coins-and-spins-daily_GM406889139.pdfIn PDF document text
    • http://oddgraphic.com/images/free-robux-sites-that-work_GM431946152.pdfIn PDF document text
    • http://oddgraphic.com/images/real-free-robux-generator_GM431946152.pdfIn PDF document text
    • http://oddgraphic.com/images/get-free-coin-master_GM406889139.pdfIn PDF document text
    • http://oddgraphic.com/images/robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://oddgraphic.com/images/minecraft-pe-hack-client_GM479516143.pdfIn PDF document text
    • http://oddgraphic.com/images/free-robux-no-verification-required_GM431946152.pdfIn PDF document text
    • http://oddgraphic.com/images/coin-master-hack-apk-ios-download_GM406889139.pdfIn PDF document text
    • http://oddgraphic.com/images/earn-free-robux-for-roblox_GM431946152.pdfIn PDF document text
    • http://oddgraphic.com/images/hack-coin-master-site-rssingcom_GM406889139.pdfIn PDF document text
    • http://oddgraphic.com/images/coin-master-15-free-spin-link-of-last-5-days_GM406889139.pdfIn PDF document text
    • http://oddgraphic.com/images/free-spin-coin-master-game_GM406889139.pdfIn PDF document text
    • http://oddgraphic.com/images/coin-master-unlimited-free-spins-link-2021_GM406889139.pdfIn PDF document text
    • http://oddgraphic.com/images/coin-master-gold-cards-free-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 8

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_off000049d2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x49D2 25692 bytes
SHA-256: 85916469cd0fc450916ee579e52eb23cec5b7496469a80c9a960fd07194fbba7
font_01_sfnt_off0000841c.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x841C 18352 bytes
SHA-256: 40a6e93de1ad20fd8dc51d83f0b41a224bcf2e60033ebf60b5fe8b6dd784a017

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