Malicious PDF — malware analysis report

Static analysis result for SHA-256 f7d170573e52f4e3…

MALICIOUS

PDF

35.2 KB Created: 2021-07-09 14:23:07 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-17
MD5: c0c1c0bdf275f918e4b601c4c967a20c SHA-1: 9fd5909d160d2b4852c6f82824eff4f0f8cb7401 SHA-256: f7d170573e52f4e3b4650ebeba530e7468369dce74d346e72fe35bf253451a51
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains embedded URLs and lures related to 'free game hacks' and 'free currency', specifically mentioning 'Robux'. The primary URL, http://netcdn.tw/app/431946152/free-roebucks-com-game-hack, is flagged as a redirector to a game hack site. This indicates a social engineering tactic to entice users to click the link, likely leading to a malicious download or phishing page.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9984

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/431946152/free-roebucks-com-game-hack PDF link annotation
    • http://www.eucorro.com/arquivos/files/free-games-roblox-free-online_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/how-to-get-free-robux-easy-no-download_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/how-to-hack-roblox-for-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/coin-master-free-spons-apk-2021_GM406889139.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/roblox-builders-club-free_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/free-robux-no-verification_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/hacked-project-pokemon-roblox_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/coin-master-hack-safe_GM406889139.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/worst-client_GM479516143.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/how-to-hack-any-roblox-games-unlimited-health_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/free-level-9-exploit-roblox_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/how-to-get-everything-free-on-roblox-2021-april_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/is-roblox-hacked_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/roblox-how-to-get-robux-with-cheat-engine_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/roblox-hack_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/roblox-mad-paintball-2-speed-hack_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/roblox-fun-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/roblox-bloxburg-money-hack-2021_GM431946152.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/coin-master-daily-free-spins-blogspot_GM406889139.pdfIn PDF document text
    • http://www.eucorro.com/arquivos/files/coin-master-free-box_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_off0000321a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x321A 22628 bytes
SHA-256: 04c695c2ecae762c95b4b313d529513954c4418eb2fc5b861cb17147b6dd5481
font_01_sfnt_off000064e3.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x64E3 18936 bytes
SHA-256: b2340242e0f706a134ee95089d80a66f4cba946ff070ca77717c3cdb3a8b675a

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