Malicious PDF — malware analysis report

Static analysis result for SHA-256 6e4406a75dfb7782…

MALICIOUS

PDF

35.3 KB Created: 2021-06-30 00:29:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: 7c1ba2e83b63ecc386d0d3916c517bc7 SHA-1: 1099cdc194463c58a6190bdd45497defcc9b9ca8 SHA-256: 6e4406a75dfb77826ada617c9d71696bc3ae3acfba204847e780354ff3dd0fa0
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/how-to-get-hack-roblox-free-robux-game-hack PDF link annotation
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/como-hackear-el-juego-coin-master-en-espaol_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-daily-free-spin-and-coin-link-haktuts_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/moni-production-free-robux_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/pokemon-go-free-lures_GM1094591345.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-daily-free-spins-link-today-2021_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/how-to-hack-someones-minecraft-account_GM479516143.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/free-minecraft-mods-for-pc_GM479516143.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/roblox-piano-hack_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-card-collection-hack-apk_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/how-to-hack-slx-roblox_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/roblox-girl-shirt-codes-free-shipping_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/free-robux-scams_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/minecraft-items_GM479516143.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/dino-sim-roblox-apk-to-albino-terror-for-free_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/free-promo-codes-for-robux_GM431946152.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/how-to-download-minecraft-for-free-on-android_GM479516143.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/coin-master-daily-free-spins-and-coins-2021_GM406889139.pdfIn PDF document text
    • https://ptun-denpasar.go.id/new/public/ckfinder/userfiles/files/hacking-in-to-denis-account-gone-wrong-im-sorry-roblox_GM431946152.pdfIn 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
font_00_sfnt_off0000343a.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x343A 21796 bytes
SHA-256: ecf2e5732a274b0a8e8db808e3c21cbd2f9f52f92a768915df3fb09d6691e46c
font_01_sfnt_off00006444.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6444 19228 bytes
SHA-256: c2c6c26d7f00472b06e73d42f0985fd943ec340a4aae551ee09f6733cb296fe4

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