Malicious PDF — malware analysis report

Static analysis result for SHA-256 60d2f785eeacb14a…

MALICIOUS

PDF

43.0 KB Created: 2021-05-11 13:33:06 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: dfc838d70bc180bed72d53b70be08691 SHA-1: 6fcca06ea671b7eb90f858702208972fd7ed14fb SHA-256: 60d2f785eeacb14a1a750aa3796da1dd047e98b2e749be8db4d62f7dcee7e19a
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure for 'free Robux' and game hacks, directing users to a suspicious URL. While no scripts were explicitly extracted, the PDF structure and embedded URLs strongly suggest a malicious intent to redirect users to potentially harmful content or initiate downloads. The ML classifier also flagged this PDF as malicious.

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/431946152/free-robux-no-survey-or-human-verification-game-hack PDF link annotation
    • https://katalog.smkn1glagah.sch.id//repository/coin-master-hack-version-download_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/free-hacks-for-coin-master_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/free-roblox-intros_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/como-hackear-coin-master-espaol_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/free-robux-sites-2021_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/minecraft-net-download-free_GM479516143.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/cheats-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/roblox-hack-game_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/robux-hack-free-robux_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/worst-roblox-avatars_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/free-robux-easy_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/how-to-use-redstone_GM479516143.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/easiest-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/free-robux-websites-2021_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/2021-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id/repository/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/static-moonactive-net-link_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/coin-master-hack-uk_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/coin-master-hack_GM406889139.pdfIn PDF document text
    • https://katalog.smkn1glagah.sch.id//repository/coin-master-free-spins-link-facebook-page_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
stream_003_off00004963.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4963 25132 bytes
SHA-256: d53c55a46a01bc36643261ec74311b90a138bd446b4b603c223857253f470389
font_01_sfnt_off0000833f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x833F 19156 bytes
SHA-256: 740843b016d65d6d98e94234348adfc338e782053996300107113ffe61ddc4f5

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