Malicious PDF — malware analysis report

Static analysis result for SHA-256 0dd9efb5d7f3ebd1…

MALICIOUS

PDF

34.7 KB Created: 2021-06-18 10:34:19 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 2790fa8f1a01b10780a804d2cacca676 SHA-1: bfdd1e334c4345c6be56a5ecbfdd246fa3210e3d SHA-256: 0dd9efb5d7f3ebd17ef462aa1b28916c94cc05f809c1b5dd5147218a1376580c
160 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains multiple links to websites that are either known malicious redirectors or host further PDF lures related to game hacks and currency. The document body and embedded URLs strongly suggest a phishing or scam attempt, likely designed to lead users to sites that may attempt to exploit them or deliver further malware. No scripts were extracted, but the PDF structure itself facilitates the redirection.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9980

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 http://netcdn.co/app/431946152/free-robux-password-only-game-hack In PDF document text
    • http://cepobajodeva.com/images/free-minecraft-coins_GM479516143.pdfIn PDF document text
    • http://cepobajodeva.com/images/roblox-sprinting-simulator-2-hack-script_GM431946152.pdfIn PDF document text
    • http://cepobajodeva.com/images/how-do-you-get-free-robux_GM431946152.pdfIn PDF document text
    • http://cepobajodeva.com/images/how-to-hack-a-minecraft-account_GM479516143.pdfIn PDF document text
    • http://cepobajodeva.com/images/minecraft-java-free-trial_GM479516143.pdfIn PDF document text
    • http://cepobajodeva.com/images/roblox-free-clothes-codes-2021_GM431946152.pdfIn PDF document text
    • http://cepobajodeva.com/images/minecraft-free-download-windows_GM479516143.pdfIn PDF document text
    • http://cepobajodeva.com/images/how-to-get-100-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • http://cepobajodeva.com/images/minecraft-apk-free-download_GM479516143.pdfIn PDF document text
    • http://cepobajodeva.com/images/free-followers-for-tiktok_GM835599320.pdfIn PDF document text
    • http://cepobajodeva.com/images/coin-master-free-coins-and-spins_GM406889139.pdfIn PDF document text
    • http://cepobajodeva.com/images/free-spin-hack-coin-master-2021_GM406889139.pdfIn PDF document text
    • http://cepobajodeva.com/images/orewards-com-free-robux_GM431946152.pdfIn PDF document text
    • http://cepobajodeva.com/images/free-robux-websites-that-actually-work-2021_GM431946152.pdfIn PDF document text
    • http://cepobajodeva.com/images/coin-master-3rd-village-free-2021-gift-card_GM406889139.pdfIn PDF document text
    • http://cepobajodeva.com/images/robux-generator-no-human-verification-2021_GM431946152.pdfIn PDF document text
    • http://cepobajodeva.com/images/minecraft-for-chromebook-free_GM479516143.pdfIn PDF document text
    • http://cepobajodeva.com/images/coin-master-hack-fast_GM406889139.pdfIn PDF document text
    • http://cepobajodeva.com/images/free-spins-coin-master-links-2021_GM406889139.pdfIn PDF document text
    • http://cepobajodeva.com/images/roblox-robux-hack_GM431946152.pdfIn PDF document text
    • http://en.wikipedia.org/wiki/MIT_LicenseIn PDF document text

Extracted artifacts 2

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off00002f78.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x2F78 22540 bytes
SHA-256: 29d997fa5d6395dc067c2e1c74586e9740735d02b5fcd076fbd829873eedfb86
font_01_sfnt_off000061cc.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x61CC 19276 bytes
SHA-256: 2a5c523e2bee06190fd7277e11042550df6d7239b10e3f21f1a08db663192643

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