Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce45e8e4fa0a2e7d…

MALICIOUS

PDF

34.6 KB Created: 2021-06-30 13:21:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 10c80351e27cfa7a2d89459ca7b65e1b SHA-1: aaf503af0b462b1861400c5e25d85f85c92b6fd2 SHA-256: ce45e8e4fa0a2e7d2975e0f496d486b291a681b6b38bd6f9414f2d589cf149bd
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 0.9980

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 http://netcdn.co/app/431946152/do-you-get-free-robux-with-builders-club-2021-game-hack PDF link annotation
    • http://www.my-travel.com.hk/upload/files/how-to-get-roblox-hack-for-apocoleps-rizing_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/lazyblocks-com-free-robux_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/pokemon-go-free-trade-evolve_GM1094591345.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/free-spins-from-coin-master_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/android-coin-master-hack-2021_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/minecraft-free-reddit_GM479516143.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/coin-master-free-spins-and-coins-daily-links_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/websites-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/hacked-roblox-hats_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/minecraft-bedrock-edition-free_GM479516143.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/original-roblox_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/roblox-hacks-for-robux-2021_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/roblox-devil_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/coin-master-free-spins-daily-link-game-mod_GM406889139.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/robux-matchcomfree-robux_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/how-to-make-a-minecraft-bedrock-server-for-free_GM479516143.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/roblox-hack-download-pc_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/jailbreak-script_GM431946152.pdfIn PDF document text
    • http://www.my-travel.com.hk/upload/files/free-robux-no-downloading-apps_GM431946152.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
font_00_sfnt_off00002dcb.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2DCB 21920 bytes
SHA-256: d2cce5a0787dcdfe4a1960da29f3b650788cc2ea8515b16b71cf033616e1303b
font_01_sfnt_off00005e39.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5E39 20284 bytes
SHA-256: 9be133c3f83c0c9e62a75d2d5f97b5f7e52833d9dcd5135202aa4257386f903a

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