Malicious PDF — malware analysis report

Static analysis result for SHA-256 d9202e6f19ee1fa5…

MALICIOUS

PDF

44.1 KB Created: 2021-06-04 05:20:28 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 5c4d5cd2c96e983e1f8078bd4c8d5034 SHA-1: 2793fc613ac72df7ef3f402badb098e20d7957ba SHA-256: d9202e6f19ee1fa5035646d6ca54f4db300f879f56fe5174085aeac7968222bc
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains numerous links and a call-to-action phrase, directing users to external websites that promise game hacks and free currency. These links likely lead to phishing sites or downloaders for malicious software. The ML classifier strongly supports the malicious nature of this PDF.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9865

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/406889139/coin-master-free-coins-and-spins-online-tool-game-hack PDF link annotation
    • http://perpus.wdh.ac.id/repository/25-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/play-roblox-for-free-on-google_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/minecraft-diamond-finder-hack_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/cm-daily-spins_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/pubg-uc-midasbuy-pakistan_GM1330123889.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/tiktok-free-likercom_GM835599320.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/how-to-hack-minecraft_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/legit-coin-master-hack-site-zyngaplayerforumscom_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/free-robux-earn_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/pubg-uc-kodu-yazma_GM1330123889.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/how-do-i-get-robux_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/minecraft-app-store-free_GM479516143.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/free-account-roblox-with-robux_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/rbx-free-robux_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/coin-master-unlimited-spin-apk-free-download_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/20-free-spins-coin-master_GM406889139.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/getrobux-now_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id/repository/free-robux-on-ipad_GM431946152.pdfIn PDF document text
    • http://perpus.wdh.ac.id//repository/coin-master-pc-hack-tool_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_004_off0000519a.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x519A 25096 bytes
SHA-256: c5e354bb72e441a905462f7e154818e07ef445ad2e06f3ef747aa1c8fb159b9e
font_01_sfnt_off00008a64.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8A64 18132 bytes
SHA-256: 5770a65a4ed8a40abc6da47fa935f6885b77eddd7dd52b1dc7a39247a3b65962

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