Malicious PDF — malware analysis report

Static analysis result for SHA-256 4687667f09679f77…

MALICIOUS

PDF

55.1 KB Created: 2021-05-13 05:31:39 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-24
MD5: b5235767bc1d1e171015f94c7201812d SHA-1: 33b2757010a3546a786574d97a9fba99f43cc2a6 SHA-256: 4687667f09679f7756f4410fb385324350d3be6926cbf799a41ac4f4d23ef97c
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

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 0.8324

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/406889139/coin-master-new-cards-hack-game-hack PDF link annotation
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-hack-android-2021_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/free-robux-no-verify-2021_GM431946152.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/robux-free-c_GM431946152.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/what-do-points-do-in-roblox_GM431946152.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/get-free-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/smart-lodhi-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-time-hack-2021_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-hack-to-get-free-spins_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/free-minecraft-codes-2021_GM479516143.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/multiplayer-master-hack-coins_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-apk-hack-download_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-real-hack_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-hack-android-root_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/easy-ways-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-free-coins-facebook_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/free-roblox-gfx_GM431946152.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/free-robux-with-no-verification_GM431946152.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/coin-master-free-spins-link-today-new-2021_GM406889139.pdfIn PDF document text
    • https://www.elearning.man2banjar.com/__statics/gudangsoal/files/free-coins-for-flip-master_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 5

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004b3a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B3A 26672 bytes
SHA-256: a9abc4c92a167b621d958e2154d9e285b900f66464dab47346fcc73c3066a853
font_01_sfnt_off0000890e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x890E 3088 bytes
SHA-256: e7854aff7cbc8fbdeb85d2b3d6248d12dc820ede8a581f4eac107fa6446c2222
font_02_sfnt_off000093d9.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x93D9 7960 bytes
SHA-256: cf7ae5cf6bef3222f5a26bec705b492fed0278aec6b16ec101aeda46e0edd2b2
font_03_sfnt_off0000a6ff.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA6FF 18056 bytes
SHA-256: b09614f462fc143d2396a5f3824a9304d12dedb8e61c452b065ffca1cc4d6821
font_04_sfnt_off0000c879.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xC879 4272 bytes
SHA-256: fac9a06ceb5574feb8580c075df3ef69dfbd0efa4947186cfe90f11b68eaafb0

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