Malicious PDF — malware analysis report

Static analysis result for SHA-256 72352b37846831e9…

MALICIOUS

PDF

33.6 KB Created: 2021-07-08 18:10:10 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-01
MD5: 738a1635661f40989f46b30ad36a1f44 SHA-1: 5de883fc32352da6888de9579743e32a24023ffe SHA-256: 72352b37846831e9d7d31cdf1abbd99290f9f98e245f4c038ddf9612e96004d6
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

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.tw/app/479516143/free-minecraft-account-reddit-game-hack PDF link annotation
    • http://digilib.unbari.ac.id/repository/free-robux-no-survey-no-download-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/how-to-hack-to-get-robux-2021_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/adopt-me-roblox-hacks_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/coin-master-card-collection-hack-apk_GM406889139.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/hackear-coin-master_GM406889139.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/free-modded-roblox-games_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/coin-master-free-spins-today-daily-links_GM406889139.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/do-free-robux-generators-work_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/hack-robux_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/free-coin-master-game_GM406889139.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/how-to-get-free-robux-without-verification-or-surveys_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/how-to-hack-in-roblox-2021_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/coin-master-free-spins-haktuts_GM406889139.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/get-free-clothing-in-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/free-dominus-roblox_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/i-want-free-robux_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/cache-http-frtheperfectriacom-wirr-realfreerobuxcodeshtml_GM431946152.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/free-followers-for-tiktok_GM835599320.pdfIn PDF document text
    • http://digilib.unbari.ac.id/repository/how-to-hack-minecraft-pe_GM479516143.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_off00002fc2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2FC2 22052 bytes
SHA-256: 36012b712af506aa4c85cf86d34dd64b182eaefd450b48d71b097c31bf1061d7
font_01_sfnt_off000060a9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x60A9 18312 bytes
SHA-256: 8dbef7c4e74fa4cb7ddd765f7d4b87c2be805150d274016986a9d28ec8854e1b

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