Malicious PDF — malware analysis report

Static analysis result for SHA-256 8e306153ab54c5f6…

MALICIOUS

PDF

42.8 KB Created: 2021-05-12 16:19:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 03af292dbf3dcef05073f67851a07c26 SHA-1: dce54cf925d4f9997bd01d5d1f8c4659deb25b3b SHA-256: 8e306153ab54c5f6644a8ab21f09041e86e6a888c08514e1e983b9b38cd9c75f
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 0.9971

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/479516143/minecraft-packs-free-game-hack PDF link annotation
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/coin-master-free-spins-that-really_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/free-robux-2021_GM431946152.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/free-spins-and-coins-for-coin-master_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/rewardex-robux_GM431946152.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/coin-master-hack-pro_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/cheats-for-coin-master_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/coin-master-card-collection-hack-apk_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/free-robux-glitch_GM431946152.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/free-robux-apk_GM431946152.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/how-to-get-free-pet-food-on-coin-master_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/coin-master-free-spins-2021_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/robux-website_GM431946152.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/coin-master-free-coins-link-2021_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/how-to-get-free-spins-and-coins-in-coin-master_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/free-minecraft-capes_GM479516143.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/hack-free-spin-coin-master_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/how-do-we-get-free-robux_GM431946152.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/free-spin-coin-master-link-today_GM406889139.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-not-a-scam_GM431946152.pdfIn PDF document text
    • http://el-ma.mtsn37jkt.sch.id/__statics/gudangsoal/files/coin-master-hack-facebook_GM406889139.pdfIn PDF document text
    • https://education.minecraftIn 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 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
stream_003_off00004ca8.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4CA8 25448 bytes
SHA-256: 7999f87b54ae8e76aa5d70e827470405709cc4bf7f25943756712d052212ab03
font_01_sfnt_off0000863e.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x863E 17892 bytes
SHA-256: 28bf341ddf3e4fc6c44bfb74e5ae7c03e5884bb4772c75cdbdc503afd42c19ec

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