Malicious PDF — malware analysis report

Static analysis result for SHA-256 7e9d2b4ad7b8efb8…

MALICIOUS

PDF

41.2 KB Created: 2021-05-13 23:35:17 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: c7361f75b3b34f80e4ac2f36f11c1741 SHA-1: 2d315cfc86f9021521f1e775e53858c8aab1e51e SHA-256: 7e9d2b4ad7b8efb8a33a07d75e59e375407299e0d398e94f4b137d21ba53dd7b
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/406889139/free-spins-coin-master-daily-game-hack PDF link annotation
    • https://www.latinquasar.org/images/daily-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://www.latinquasar.org/images/minecraft-xray-hack_GM479516143.pdfIn PDF document text
    • https://www.latinquasar.org/images/free-coins-for-planet-master-game_GM406889139.pdfIn PDF document text
    • https://www.latinquasar.org/images/free-coins-coin-master-today_GM406889139.pdfIn PDF document text
    • https://www.latinquasar.org/images/how-to-make-a-minecraft-java-server-for-free_GM479516143.pdfIn PDF document text
    • https://www.latinquasar.org/images/coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • https://www.latinquasar.org/images/free-coin-master-links_GM406889139.pdfIn PDF document text
    • https://www.latinquasar.org/images/coin-master-free-coins-cheat_GM406889139.pdfIn PDF document text
    • https://www.latinquasar.org/images/coin-master-free-link-facebook_GM406889139.pdfIn PDF document text
    • https://www.latinquasar.org/images/coin-master-fun-free-spins_GM406889139.pdfIn PDF document text
    • https://www.latinquasar.org/images/roblox-robux-hack-generator_GM431946152.pdfIn PDF document text
    • https://www.latinquasar.org/images/minecraft-114-4-download-free_GM479516143.pdfIn PDF document text
    • https://www.latinquasar.org/images/robloxfun-com-generator_GM431946152.pdfIn PDF document text
    • https://www.latinquasar.org/images/coin-master-hack-without-downloading-apps_GM406889139.pdfIn PDF document text
    • https://www.latinquasar.org/images/coin-master-free-spins-23-march-2021_GM406889139.pdfIn PDF document text
    • https://www.latinquasar.org/images/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • https://www.latinquasar.org/images/how-to-hack-roblox-accounts-for-robux_GM431946152.pdfIn PDF document text
    • https://www.latinquasar.org/images/robux-free-2021_GM431946152.pdfIn PDF document text
    • https://www.latinquasar.org/images/hacked-roblox-accounts-list_GM431946152.pdfIn PDF document text
    • https://www.latinquasar.org/images/minecraft-free-download-windows_GM479516143.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_off00004803.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x4803 24180 bytes
SHA-256: a865a3f1393482858629094b6214e496a3e21a751d3cb073a88c3535f63687b4
font_01_sfnt_off00007e93.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7E93 18308 bytes
SHA-256: 148513adc370bd80d4aa437ff839b9fedc0d32c70a1f1942828a2071191e315e

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