Malicious PDF — malware analysis report

Static analysis result for SHA-256 1e7719a4c946f624…

MALICIOUS

PDF

53.0 KB Created: 2021-06-09 09:28:45 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 767fd977bb84d5819fe7a28566a48b7e SHA-1: e6dff9b8a572fc0c1d8ec8e20917d26926dffa06 SHA-256: 1e7719a4c946f6242e6f7c5766af04777a89f1911e5be891e61d8036c7f1d73e
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains a lure related to game hacks and free items, directing users to a suspicious URL. The ML classifier also flagged this PDF as malicious. While no scripts were explicitly extracted, the presence of embedded URLs and the nature of the lure suggest a phishing or redirection attempt to a site that likely hosts further malicious content or exploits.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9636

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.tw/app/431946152/roblox-codes-for-free-stuff-2021-game-hack PDF link annotation
    • http://library.ulb.ac.id/repository/roblox-pokemon-go-hack_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-to-get-free-food-for-foxy-in-coin-master_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-coins-and-spins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/coin-master-apk-hack-32_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-robux-obby_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/hacking-apps-for-roblox_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-robux-pastebin_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/coin-master-free-cards-link_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-to-get-free-robux-codes_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/coin-master-34-4-hack-download_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/is-there-a-way-to-get-free-robux_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/how-do-i-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/free-robux-pin-codes_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id/repository/free-roblox-card-codes-2021_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/what-tiktok-free-movies_GM835599320.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/how-to-hack-people-on-roblox_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/how-to-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/minecraft-pe-free-download-ios-no-jailbreak_GM479516143.pdfIn PDF document text
    • http://library.ulb.ac.id//repository/coin-master-free-spins-and-coins-today-gift-reward_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 4

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_004_off000051ab.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x51AB 29652 bytes
SHA-256: 25a0feea6057860dc47ac29c08f92216bbe4a2aba7d71de8a87cc34b5602d0e4
font_01_sfnt_off000093cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93CD 2940 bytes
SHA-256: eb230542719c96b42e3fd8bb01e35f13ebd5f02629049da3a58e7fd7607bf48a
font_02_sfnt_off00009dd7.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9DD7 5596 bytes
SHA-256: 9a13c2580265a78e8a7257496a31ee0055738af7e20a5661c2902efe4bf05ce5
font_03_sfnt_off0000aa7e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xAA7E 18768 bytes
SHA-256: 023b948458b20aa8d00286e97d8a13e6c70a315d61d2f98a1ed8cfcbcd66edbc

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