Malicious PDF — malware analysis report

Static analysis result for SHA-256 e212185609d8bf50…

MALICIOUS

PDF

33.5 KB Created: 2021-06-29 22:53:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: c8f44a98c49b5ad90a9f219ffbee57d1 SHA-1: bfde6849f14c67cf295ce509c1b8593cdb6876d5 SHA-256: e212185609d8bf504ba80ccecdfdac8affd5f9ff0b3d8ee165c0fc1323abab86
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 0.9824

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/free-and-fun-online-games-like-roblox-game-hack PDF link annotation
    • http://digilib.akbidarrahma.ac.id/repository/roblox-hack-tool_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/can-lucky-patcher-hack-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/withdraw-robux-free_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/how-to-get-free-roblox-on-the-river_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/how-can-i-get-minecraft-for-free_GM479516143.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-no-verification-no-download_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-spin-link-today-2021_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-code-for-free-spins_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/hunting-simulator-roblox-hack_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/como-hacer-que-en-roblox-todo-te-salga-free_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-robux-2021-code_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/toolbox-apk_GM479516143.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/como-hackear-roblox-con-cheat-engine-68_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/roblox-hacks-jailbrea_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/how-to-change-your-name-in-roblox-for-free_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-bobux_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/how-top-hack-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-spin-and-win-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.akbidarrahma.ac.id/repository/free-coin-master-hacks_GM406889139.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_off00002b74.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2B74 22116 bytes
SHA-256: 89762d82c95d4a7fb7542760095ac449a86d86f504b0b3981bbafd84b4897906
font_01_sfnt_off00005cdf.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5CDF 19512 bytes
SHA-256: 4001858baa563369bb6b332d56a6c670b642e8514867eec494b4f112aa468cb4

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