Malicious PDF — malware analysis report

Static analysis result for SHA-256 0e93622cfbe7bbb2…

MALICIOUS

PDF

43.9 KB Created: 2021-05-16 16:31:02 +07:00 Authoring application: wkhtmltopdf 0.12.6 (via Qt 4.8.7) First seen: 2026-06-04
MD5: 60d4273044baead75771b0e65c322b39 SHA-1: 1d3d8527a5f00b0519becbc61d19bf99bb6580e4 SHA-256: 0e93622cfbe7bbb2692fcc7836b4ce0b84898cb61cecbfc000dc5adaf5e0422b
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 Robux' or game hacks. The heuristic firings indicate these links are associated with malicious redirectors and lure tactics. While no scripts were explicitly extracted, the nature of the links suggests a phishing or scam attempt to drive traffic to potentially malicious sites.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9969

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-robux-without-human-verification-2021-game-hack In PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/free-robux-com-no-verification_GM431946152.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/coin-master-hack-tool-ios_GM406889139.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/promo-code-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/free-minecraft-maps_GM479516143.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/blox-world-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/wurst-client_GM479516143.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/coin-master-spin-hack-apk_GM406889139.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/hacks-to-get-free-robux_GM431946152.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/coin-master-generator-free_GM406889139.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/daily-coin-master-link_GM406889139.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/haktuts-coin-master-free-spin-link_GM406889139.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/robux-codes-generator-no-human-verification_GM431946152.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/how-to-get-free-roblox-gift-cards_GM431946152.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/coin-master-hack-mod-apk-2021_GM406889139.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/free-spins-coin-master-november-2021_GM406889139.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/get-gold-coin-master-village-hack_GM406889139.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/how-to-download-minecraft-hacks_GM479516143.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/links-to-get-free-spins-on-coin-master_GM406889139.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/free-robux-accounts_GM431946152.pdfIn PDF document text
    • https://elearning.man2pontianak.sch.id/__statics/gudangsoal/files/free-links-coin-master_GM406889139.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
stream_003_off00004b3f.bin decompressed-pdf-stream PDF FlateDecoded stream at offset 0x4B3F 25216 bytes
SHA-256: 1f3a9af7e0ffb6a57adad2510db3c68fe668a8b423961d6b2b885a40815f478d
font_01_sfnt_off0000852f.bin pdf-font-stream PDF embedded font (sfnt) at offset 0x852F 19624 bytes
SHA-256: 5c907f8fc0171ac382cbe47737dfe307495a07ea2f2097b2a41ed37680731fb3

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