Malicious PDF — malware analysis report

Static analysis result for SHA-256 dfcc87d060c6e6b0…

MALICIOUS

PDF

33.8 KB Created: 2021-07-05 00:36:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-10-07
MD5: 8556f266fa94147ba5837d2e0a51e2ec SHA-1: c9e5e07ff986b3d9a2eca6563fbb1c9ef85d24ea SHA-256: dfcc87d060c6e6b00c197a5e4504bf9604ba9e73e1af812e3e23c6e4c6e4c3d8
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF file contains a high-confidence heuristic indicating it links to a 'free generator / game hack' redirector. The document body and embedded URLs reinforce this by advertising game hacks and free currency. This suggests the primary goal is to trick users into visiting malicious sites, potentially for phishing or to download further malware.

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.tw/app/406889139/earn-free-spins-in-coin-master-game-hack PDF link annotation
    • http://pustaka.smpmuh2yk.sch.id/repository/free-minecraft-skin-maker_GM479516143.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/free-vip-server-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/archery-master-3d-coins-hack_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/coin-master-code-hack_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/robux-gift-card-free_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/coin-master-hack-spin-generator_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/boombox-roblox-free-catalog_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/descargar-roblox-hackeado-con-robux-infinitos-2021_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/free-robux-just-enter-username-and-password_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/coin-master-free-spins-and-coins-link-blogspot_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/hacks-master-coin_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/pokemon-go-fest-free-tickets_GM1094591345.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/how-to-get-minecraft-for-free-on-android-device_GM479516143.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/coin-master-hack-2021-without-human-verification_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/how-to-hack-roblox-to-get-robux_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id/repository/free-roblox-picture-that-makes-a-tshirt-look-cool_GM431946152.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/hack-master-coin_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/best-free-hacked-client_GM479516143.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/coin-master-free-cards-link-2021_GM406889139.pdfIn PDF document text
    • http://pustaka.smpmuh2yk.sch.id//repository/how-do-u-get-free-robux_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_off00002f75.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F75 22584 bytes
SHA-256: 1e8ab57464d8b56373f0b23d50e8850652538884dec425b1d7b301b3e7ec952d
font_01_sfnt_off000061d5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61D5 18176 bytes
SHA-256: 4ef0f2eb38a0be560a70e42a8c1054e1ebf1c49a1e5d90c4582bc67babe10b0d

Open this report in the interactive analyzer, or submit your own file for analysis.