Malicious PDF — malware analysis report

Static analysis result for SHA-256 10d3116615fb95ce…

MALICIOUS

PDF

41.8 KB Created: 2021-05-20 00:21:56 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 112f096109052135ed1cf4309cabe6f4 SHA-1: 4ca66000efef06ba12d1f5951d42f19d93ac6db4 SHA-256: 10d3116615fb95ce5ac1f9f484ee1e5f4bbc8f44ec8630c11c96af1129d23152
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

This PDF document employs a lure of free game hacks and generators to entice users. It contains multiple embedded URLs pointing to external sites, with a primary URL identified as a redirector for game hacks. The ML classifier strongly flagged this PDF as malicious, indicating a high likelihood of it being part of a phishing or scam campaign. No scripts were extracted, but the embedded URLs are the primary indicators of malicious intent.

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/1094591345/can-pokemon-go-free-evolution-game-hack PDF link annotation
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/hack-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-as-a-kid_GM431946152.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/roblox-hack-scripts-pastebin_GM431946152.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/free-robux-no-human-verification-generator_GM431946152.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/minecraft-clipart-free_GM479516143.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/free-spins-in-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-hack-activegamer_GM406889139.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/what-are-points-for-in-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-free-cards-2021_GM406889139.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/get-robux-com_GM431946152.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/free-minecraft-com_GM479516143.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/vip-roblox-free_GM431946152.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/coin-master-free-pin_GM406889139.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/earn-roblox_GM431946152.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/minecraft-com-free_GM479516143.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/roblox-hack-com_GM431946152.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/free-robux-websites-that-work_GM431946152.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/how-to-get-java-minecraft-free_GM479516143.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/minecraft-free-unblocked_GM479516143.pdfIn PDF document text
    • http://elearning.man1kotamobagu.sch.id/__statics/gudangsoal/files/how-do-you-get-free-robux-without-doing-anything_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
stream_003_off00004799.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4799 24740 bytes
SHA-256: a31984a0d75a391823a589562b3456f4f56793cb09c864d0c54d45c410966818
font_01_sfnt_off00008047.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8047 18624 bytes
SHA-256: 958ef4321afba157550a451441e67e413472f6bc8be38e933169f541741d0d17

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