Malicious PDF — malware analysis report

Static analysis result for SHA-256 76460f67353d4104…

MALICIOUS

PDF

43.2 KB Created: 2021-05-19 10:04:37 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-25
MD5: d4603d448faff3e24fdfac7b4df54679 SHA-1: 81175cc3213d96327ebd925501ede4e731681b73 SHA-256: 76460f67353d41042221bd7be365aca919097e3b0d69ee5434a81279c602d37f
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 0.9969

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/431946152/how-to-hack-people-on-roblox-game-hack PDF link annotation
    • https://www.arquetopia.org/images/coin-master-apk-hack_GM406889139.pdfIn PDF document text
    • https://www.arquetopia.org/images/free-robux-no-scam_GM431946152.pdfIn PDF document text
    • https://www.arquetopia.org/images/coin-master-cheat-engine-hack_GM406889139.pdfIn PDF document text
    • https://www.arquetopia.org/images/free-roblox-hair-codes_GM431946152.pdfIn PDF document text
    • https://www.arquetopia.org/images/roblox-sued_GM431946152.pdfIn PDF document text
    • https://www.arquetopia.org/images/games-on-roblox-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • https://www.arquetopia.org/images/coin-master-hack-without-verification_GM406889139.pdfIn PDF document text
    • https://www.arquetopia.org/images/minecraft-xbox-one-code-free_GM479516143.pdfIn PDF document text
    • https://www.arquetopia.org/images/minecraft-aimbot_GM479516143.pdfIn PDF document text
    • https://www.arquetopia.org/images/working-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://www.arquetopia.org/images/coin-master-free-coins-and-spins-app_GM406889139.pdfIn PDF document text
    • https://www.arquetopia.org/images/free-robux-instantly_GM431946152.pdfIn PDF document text
    • https://www.arquetopia.org/images/coin-master-free-spin-ml_GM406889139.pdfIn PDF document text
    • https://www.arquetopia.org/images/pubg-uc-gift-card_GM1330123889.pdfIn PDF document text
    • https://www.arquetopia.org/images/get-robux-for-free-2021_GM431946152.pdfIn PDF document text
    • https://www.arquetopia.org/images/how-to-hack-roblox-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://www.arquetopia.org/images/free-robux-no-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://www.arquetopia.org/images/free-robux-place_GM431946152.pdfIn PDF document text
    • https://www.arquetopia.org/images/but-link-says-free-robux_GM431946152.pdfIn PDF document text
    • https://www.arquetopia.org/images/roblox-free-vip-server_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_003_off000048c0.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x48C0 25956 bytes
SHA-256: 97b491f0da55777bb5d6444b94479b77b3b88a7c1b2d3de6b1e0322b047a77a8
font_01_sfnt_off00008563.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8563 18676 bytes
SHA-256: 9439cdf519c477105af26a237b903c28353edd649090bb99f856962d56c9ecd1

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