Malicious PDF — malware analysis report

Static analysis result for SHA-256 dffd6f0531ebd63d…

MALICIOUS

PDF

57.0 KB Created: 2021-05-17 20:06:40 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 552a2acbb4c6f1c542f8ba256bc6ae1c SHA-1: d73da47acda0b65c49ebd70397ecdca8b7570dad SHA-256: dffd6f0531ebd63d6c2cb776bbd8a914464bb74d52b5584c25216c69daa1dc66
100 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1204.002 Malicious Link

The PDF contains a malicious redirector link pointing to a domain associated with game hacks and free robux, indicating a lure for potentially unwanted software or malware. The presence of a visual download button further supports the malicious intent of directing users to external resources. No scripts were extracted from this sample.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9515

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/robuxmatch.con-game-hack In PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/wwwcoin-master-hack-game-download_GM406889139.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/rbx-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/cm-spin-link_GM406889139.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/play-coin-master-for-free_GM406889139.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/coin-master-free-spins-apk-2021_GM406889139.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/coin-master-free-codes_GM406889139.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/get-free-cards-in-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/coin-master-daily-free-spins-link-app_GM406889139.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/how-to-get-free-robux-gift-cards_GM431946152.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/game-coin-master-hack_GM406889139.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/robux-free-com_GM431946152.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/roblox-hack-download_GM431946152.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/free-minecraft-server_GM479516143.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/minecraft-complete-handbook_GM479516143.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/free-minecraft-account-and-password_GM479516143.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/coin-master-root-hack_GM406889139.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/minecraft-hack-download_GM479516143.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/how-to-get-hacks-on-roblox_GM431946152.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/free-spins-coin-master-cheats_GM406889139.pdfIn PDF document text
    • https://elearning.min21jkt.sch.id/__statics/gudangsoal/files/can-you-play-minecraft-for-free_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
stream_003_off00005069.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x5069 37128 bytes
SHA-256: 8e487c31c9327a1e21edb420138e9520b34ed2cb021f9660b63d088db374dc40
font_01_sfnt_off0000a3a5.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xA3A5 7420 bytes
SHA-256: 0b188308ab0e7ffce9913d63d697a586f2937cafc51a771db38e3a566cd37e24
font_02_sfnt_off0000bc14.bin pdf-font-stream PDF embedded font (sfnt) at offset 0xBC14 18672 bytes
SHA-256: b3ad435d94df059fa4f5f4039152be4ff635e0c8c599297d8dd6c4123da1a60e

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