Malicious PDF — malware analysis report

Static analysis result for SHA-256 d7343a0d89155bdd…

MALICIOUS

PDF

33.3 KB Created: 2021-07-05 03:36:58 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-29
MD5: 73088fb603e96fe6b4c6dc0f7db6cb49 SHA-1: 2ee9badde78d978260df78d413680fd3d7fe8707 SHA-256: d7343a0d89155bdd7e40a1d530001566a9c82aa052c6f3f2cda0b165585810c4
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.tw/app/406889139/coin-master-hack-apk-android-game-hack PDF link annotation
    • https://creationegyptco.com/userfiles/files/free-robux-no-human-verification-or-survey_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-coin-master-spins-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/unlock-all-guns-in-roblox-phantom-forces-hack_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-hack-pro-gamers_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-spins-coin-master-links-no-human-verification_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/microsoft-bing-free-robux_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-chest-coin-master_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-pastebin-no-wait-2021_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/will-minecraft-dungeons-be-free_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-goku-ui-omen-roblox_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-spins-for-coin-master-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/coin-master-hack-tool-2021_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-no-password_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/minecraft-hacked-client-112-2_GM479516143.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/lots-of-robux_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/archery-master-3d-unlimited-coins-hack_GM406889139.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/how-do-u-get-free-robux-2021_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/free-robux-safe_GM431946152.pdfIn PDF document text
    • https://creationegyptco.com/userfiles/files/toolbox-mod_GM479516143.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_off00002eb5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2EB5 21932 bytes
SHA-256: 2818bbd6b479d899dd2357b86fd32db37f4e67b7ed0f0251cddacc1d602d1ebf
font_01_sfnt_off00005f02.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x5F02 18352 bytes
SHA-256: 409485f038817ffbd71fe8cb604f03d96401c5d2dee0684d6cdd4c51b1463fa9

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