Malicious PDF — malware analysis report

Static analysis result for SHA-256 2542e5a9b3c0d18b…

MALICIOUS

PDF

43.7 KB Created: 2021-05-14 08:12:31 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: cbe689c828da72d8d9b9fc16d130df1f SHA-1: af84a1237905f2e237847c080e62a7a5a9db8f3c SHA-256: 2542e5a9b3c0d18bb8b28f23ab310ccd3b0d332c00c8754f7156d05142b431de
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment

The PDF contains embedded links that redirect to a website promising free Robux, a common lure for scams. The heuristic 'PDF_MALICIOUS_REDIRECTOR_LINK' confirms the malicious nature of the redirector infrastructure. While no scripts were explicitly extracted, the PDF structure and embedded URLs suggest an attempt to direct the user to a malicious site, likely for credential harvesting or malware distribution.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9648

Heuristics 3

  • 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/funblox.xyz-free-robux-game-hack In PDF document text
    • http://fotoflas.gr/images/minecraft-linux-free_GM479516143.pdfIn PDF document text
    • http://fotoflas.gr/images/roblox-games-that-give-you-free-robux_GM431946152.pdfIn PDF document text
    • http://fotoflas.gr/images/coin-master-vip-hack_GM406889139.pdfIn PDF document text
    • http://fotoflas.gr/images/can-you-get-free-robux-on-roblox_GM431946152.pdfIn PDF document text
    • http://fotoflas.gr/images/coin-master-500-free-spins_GM406889139.pdfIn PDF document text
    • http://fotoflas.gr/images/game-hunters-coin-master-free-spins_GM406889139.pdfIn PDF document text
    • http://fotoflas.gr/images/free-bobux_GM431946152.pdfIn PDF document text
    • http://fotoflas.gr/images/free-robux-for-kids-no-verification_GM431946152.pdfIn PDF document text
    • http://fotoflas.gr/images/minecraft-wurst-client_GM479516143.pdfIn PDF document text
    • http://fotoflas.gr/images/free-robux-no-verification-no-survey_GM431946152.pdfIn PDF document text
    • http://fotoflas.gr/images/free-spin-and-win-coin-master_GM406889139.pdfIn PDF document text
    • http://fotoflas.gr/images/coin-master-free-spins-link-today-facebook_GM406889139.pdfIn PDF document text
    • http://fotoflas.gr/images/minecraft-pe-016-0-apk-download-free_GM479516143.pdfIn PDF document text
    • http://fotoflas.gr/images/coin-master-official-website_GM406889139.pdfIn PDF document text
    • http://fotoflas.gr/images/roblox-script-hacks_GM431946152.pdfIn PDF document text
    • http://fotoflas.gr/images/facebook-coin-master-free-spins-link_GM406889139.pdfIn PDF document text
    • http://fotoflas.gr/images/coin-master-free-mighty-lion-card_GM406889139.pdfIn PDF document text
    • http://fotoflas.gr/images/coin-master-links-that-don-t-expire_GM406889139.pdfIn PDF document text
    • http://fotoflas.gr/images/coin-master-2021-free-spins_GM406889139.pdfIn PDF document text
    • http://fotoflas.gr/images/coin-master-hack-tool-2021_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_off000046cd.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x46CD 24128 bytes
SHA-256: 1689ff85b9b5adc062b2fef4754306fe50f15d26a052f2225896dac74b95d9b8
font_01_sfnt_off00007da2.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x7DA2 2888 bytes
SHA-256: dcdd98ee8e25436a83587ccb4027347dd2c3fcec95f3413942edd4086125bcca
font_02_sfnt_off00008776.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x8776 18416 bytes
SHA-256: 094e3ad3acb05c69538296255af77c281e929786c4e47907665e7e86d1bfa11c

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