Malicious PDF — malware analysis report

Static analysis result for SHA-256 256ebb636b5f8810…

MALICIOUS

PDF

35.2 KB Created: 2021-06-27 07:41:32 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2021-09-18
MD5: c9b79e5dfc4a2b6719e85d8dd4bbb5d3 SHA-1: abad76739b48250ece41cc8b8e9a3d55c9421bbf SHA-256: 256ebb636b5f88103745a62fe1864d8008899c0d2dffb1c89962b541429a66b5
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/inject-hack-roblox-in-game-code-game-hack PDF link annotation
    • https://www.sauvonsleclimat.org/images/pokemon-go-free-latest-version_GM1094591345.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/free-robux-generator-no-verification_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/archery-master-3d-apk-and-mod-free-download-unlimited-coins_GM406889139.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/aimbot-free-download-roblox_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/how-to-get-a-free-robux-gift-card_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/free-exploits-for-roblox_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/hacks-to-get-robux-2021_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/old-roblox-t-shirt-free_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/free-roblox-hack_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/roblox-mining-simulator-hack-script_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/tampermonkey-robux-hack-that-works_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/free-2-roblox-credit_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/free-roblox-gift-cards-april-2021_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/roblox-blood-and-iron-hack_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/how-do-you-get-free-roblox-money_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/earn-free-roblox-gift-cards-legit_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/free-robux-no-apps_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/serveur-roblox-avec-admin-free_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/free-robux-generator-no-survey-or-human-verification-2021_GM431946152.pdfIn PDF document text
    • https://www.sauvonsleclimat.org/images/coin-master-hack-apk-july-2021_GM406889139.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Related samples 2

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_off00003119.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x3119 22568 bytes
SHA-256: 1100c980e85585f3770674cd1152be6faf95dc2aa570b1eb54c9ac475d906099
font_01_sfnt_off00006374.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x6374 19384 bytes
SHA-256: 5723c163b406190b4532082a3fafbc6b62455260ad8d0d78d53bf3a212ffd547

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