Malicious PDF — malware analysis report

Static analysis result for SHA-256 d740757110efcf46…

MALICIOUS

PDF

48.9 KB Created: 2021-06-08 19:18:26 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: ca7ffd05d43b3a6ae9218d9c3780f725 SHA-1: 90d13642ace4a3997d65b041d0572c117d109870 SHA-256: d740757110efcf46492fce9bcaa3399073e1877f8917827e7c9da7738c09ef12
82 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains a high-confidence heuristic firing for a game hack redirect lure, pointing to a suspicious URL. The document body also contains embedded URLs that are likely part of a social engineering attempt to trick users into downloading or visiting malicious content. No scripts were extracted, but the presence of multiple game-related lures suggests a phishing or malware distribution campaign.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9796

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.tw/app/431946152/roblox-backgrounds-its-free-game-hack PDF link annotation
    • http://condit-pack.com/images/free-spins-coin-master-cheats_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/free-views-on-tiktok_GM835599320.pdfIn PDF document text
    • http://condit-pack.com/images/tiktok-free-10k-followers_GM835599320.pdfIn PDF document text
    • http://condit-pack.com/images/free-robux-no-verify_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/how-to-get-free-robux-no-human-verification_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/free-spins-coin-master-app_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/roblox-password-hacker_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/free-robux-real-2021_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/master-coin-free-spin_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/how-we-get-free-robux_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/roblox-magitan-hack_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/united-gaming-net-coin-master-hack_GM406889139.pdfIn PDF document text
    • http://condit-pack.com/images/new-roblox-hack-script-execution_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/free-robux-master_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/get-free-robux-com_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/how-to-hack-roblox-accounts-2021-easy_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/minecraft-skins-download-free_GM479516143.pdfIn PDF document text
    • http://condit-pack.com/images/bux-life-free-robux_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/free-robux-scams_GM431946152.pdfIn PDF document text
    • http://condit-pack.com/images/how-to-log-out-of-coin-master_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000516d.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x516D 27652 bytes
SHA-256: 8c103b728f1441cc96ee88016fac3a4e4672c8c3683780c2eae01cb90aaf8d3b
font_01_sfnt_off00009079.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9079 2824 bytes
SHA-256: 94c1b019735d7e491765340abe50b2897410e2ec65ecf141c08bd9f2220897c4
font_02_sfnt_off00009a27.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x9A27 19052 bytes
SHA-256: f96a819017bbdbe0a3dc3a3add6e7748c4959c1a4cb4d1b5eca381303a0094fc

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