Malicious PDF — malware analysis report

Static analysis result for SHA-256 8eeb2f627277192f…

MALICIOUS

PDF

49.1 KB Created: 2021-06-03 21:03:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: a384e85757e42054f4f7ff7ba2d88231 SHA-1: 6d3df62c11f09d760c74f6b63e1469a12f5127ad SHA-256: 8eeb2f627277192f301c29b6b755da7fe04778069e06e58729a5f8362ee0fd5a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple embedded URLs, with a primary focus on luring users with promises of game hacks and generators. The heuristic 'PDF_GAME_HACK_REDIRECT_LURE' strongly indicates this malicious intent. While no scripts were explicitly extracted, the presence of embedded URLs and the ML classifier's high confidence suggest the document is designed to redirect users to malicious content, likely for malware distribution or phishing.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.online/app/431946152/oprewards-points-generator-game-hack PDF link annotation
    • http://library.persadabunda.ac.id/repository/best-free-hacked-client_GM479516143.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/free-robux-script_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/google-how-do-you-get-robux_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/free-robux-com_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-heaven-free-spins-today_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/20-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-free-spins-link-download_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/what-games-on-roblox-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-money-hack_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/was-minecraft-ever-free_GM479516143.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/free-robux-without-verification_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/is-minecraft-free-on-xbox_GM479516143.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-fun-free-spins_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/can-i-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-free-spins-no-human-verification_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/how-to-hack-someones-roblox-account_GM431946152.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/coin-master-download_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/hack-coin-master-ios_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/daily-free-spin-coin-master-link_GM406889139.pdfIn PDF document text
    • http://library.persadabunda.ac.id/repository/free-face-roblox_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000050ba.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x50BA 29520 bytes
SHA-256: 6f498a9626cf6bc24885a806c453c2e85b61ec649fb2898a544f7b4ae1f12715
font_01_sfnt_off00009299.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9299 2940 bytes
SHA-256: ae8acc7f13e86db3aed98d7dfb73e70e16f4dedb45e9f0467460b76f54e1a1bb
font_02_sfnt_off00009ca8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9CA8 18464 bytes
SHA-256: 1f8e609d6837fbe9d541e60b2038981984e2889c8e8d6f72a613ebd55477316c

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