Malicious PDF — malware analysis report

Static analysis result for SHA-256 e9db5c2da2b51c3e…

MALICIOUS

PDF

42.8 KB Created: 2021-05-24 00:03:54 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: e821a55f4e717f4167baf2c261cdbd1e SHA-1: 83dd79e296aebf33219587ed65ce61ed7e553527 SHA-256: e9db5c2da2b51c3ef3a92280e9e7f3899782cad065e04ab6a3ce1d9a39a8afe3
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF document contains multiple links that redirect to malicious infrastructure, specifically promoting 'free generator / game hack' lures. The document body explicitly mentions 'Free Roblox Accounts With Robux That Work 2021' and includes a call to action to access a 'ROBLOX GENERATOR'. This indicates a phishing or scam attempt designed to trick users into visiting malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.8090

Heuristics 4

  • PDF links to a 'free generator / game hack' redirector critical 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. CRITICAL on its own: the /app/<id>/<slug>-game-hack path shape is unambiguous scam infra, and the host rotates so a host-list match can't be relied on.
  • PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
    PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
  • 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
  • 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/free-roblox-accounts-with-robux-that-work-2021-game-hack In PDF document text
    • https://www.citrus-shop.cz/images/coin-master-32-mod-hack-apk-download_GM406889139.pdfIn PDF document text
    • https://www.citrus-shop.cz/images/free-robux-with-no-human-verification_GM431946152.pdfIn PDF document text
    • https://www.citrus-shop.cz/images/how-to-get-creative-mode-in-minecraft-server-hack_GM479516143.pdfIn PDF document text
    • https://www.citrus-shop.cz/images/spin-rewards-coin-master_GM406889139.pdfIn PDF document text
    • https://www.citrus-shop.cz/images/free-minecraft-severs_GM479516143.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_off000034e8.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x34E8 28348 bytes
SHA-256: e7cb3f98a3c291d0ea0b1a55f00357002a8fe16616a8933cd06c2e76b0a3ce64
font_01_sfnt_off00007554.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7554 3788 bytes
SHA-256: b3a91fa84873734982247e80ac47179f428e7dbfcbe2f84b65029fa4e9668bbe
font_02_sfnt_off00008282.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8282 19476 bytes
SHA-256: 4c7cb67921980cc467a624d7be0aa4f8f19dcdcb8d4cb789adc94de6f70366aa

Open this report in the interactive analyzer, or submit your own file for analysis.