Malicious PDF — malware analysis report

Static analysis result for SHA-256 ce43d8f078d59364…

MALICIOUS

PDF

47.5 KB Created: 2021-06-13 14:52:27 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: 7fd86020e60032bf8efddd62337c4a83 SHA-1: aaf9ba9d55dd09408ad1fe5ab2f32ccca60720af SHA-256: ce43d8f078d5936462bad3c712f02534439a15128381d1b04738e05c5db56a7b
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a lure related to game hacks and free currency, directing users to a suspicious URL. The presence of multiple links to similar content reinforces the malicious intent. No scripts were extracted, but the document's structure and embedded links strongly suggest a phishing or malware distribution attempt.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9832

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-hack-easy-robux-today-game-hack PDF link annotation
    • http://pustaka.faterna.unand.ac.id/repository/free-catalog-stuff-roblox_GM431946152.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/coin-and-spin-link_GM406889139.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/roblox-robux-hack-v-35_GM431946152.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/rbx-points-get-free-robux-points_GM431946152.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/how-to-hack-roblox-high-school-with-cheat-engine_GM431946152.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/free-coin-app_GM406889139.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/robux-hack-no-human-verification_GM431946152.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/best-minecraft-hacks_GM479516143.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/roblox-hacked-version-download_GM431946152.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/how-to-hack-roblox-accounts-2021-june_GM431946152.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/royale-high-school-roblox-free-play_GM431946152.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/pubg-300-uc-price-in-india_GM1330123889.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/coin-master-codes_GM406889139.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/minecraft-app-store-free_GM479516143.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/gift-card-generator-hack-robux-codes_GM431946152.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/coin-master-cheats-2021_GM406889139.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/easy-roblox-today_GM431946152.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/spin-coin-master-free_GM406889139.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/coin-master-how-to-get-japan-sushi-card-free_GM406889139.pdfIn PDF document text
    • http://pustaka.faterna.unand.ac.id/repository/roblox-dead-winter-infinite-hack_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
stream_004_off0000538f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x538F 29140 bytes
SHA-256: 4196077cc148552ff2a431a1c7ed60257c7fd1e8802d3b9a0d4ad5c1746b6332
font_01_sfnt_off000095ca.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x95CA 18764 bytes
SHA-256: 0b82dfffa6af11aa543fd5f2d7183c8d03f072807f8a2b845825dd60d4238899

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